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ltc2050/ltc2050hv 1 2050fc typical application features applications description zero-drift operational ampli ers in sot-23 the ltc ? 2050 and ltc2050hv are zero-drift operational ampli? ers available in the 5- or 6-lead sot-23 and so-8 packages. the ltc2050 operates from a single 2.7v to 6v supply. the ltc2050hv operates on supplies from 2.7v to 5.5v. the current consumption is 800a and the versions in the 6-lead sot-23 and so-8 packages offer power shutdown (active low). the ltc2050, despite its miniature size, features uncom- promising dc performance. the typical input offset voltage and offset drift are 0.5v and 10nv/c. the almost zero dc offset and drift are supported with a power supply rejection ratio (psrr) and common mode rejection ratio (cmrr) of more than 130db. the input common mode voltage ranges from the nega- tive supply up to typically 1v from the positive supply. the ltc2050 also has an enhanced output stage capable of driving loads as low as 2k to both supply rails. the open-loop gain is typically 140db. the ltc2050 also features a 1.5v p-p dc to 10hz noise and a 3mhz gain bandwidth product. n maximum offset voltage of 3v n maximum offset voltage drift of 30nv/c n noise: 1.5v p-p (0.01hz to 10hz typ) n voltage gain: 140db (typ) n psrr: 130db (typ) n cmrr: 130db (typ) n supply current: 0.8ma (typ) n supply operation: 2.7v to 6v (ltc2050) 2.7v to 5.5v (ltc2050hv) n extended common mode input range n output swings rail-to-rail n input overload recovery time: 2ms (typ) n operating temperature range: C 40c to 125c n low pro? e (1mm) sot-23 (thinsot) ? package n thermocouple ampli? ers n electronic scales n medical instrumentation n strain gauge ampli? ers n high resolution data acquisition n dc accurate rc active filters n low side current sense input referred noise 0.1hz to 10hz differential bridge ampli? er C + 5v 0.1f 18.2k 0.1f 18.2k 5 1 2 3 4 0.1f 5v a v = 100 2050 ta01 350 strain gauge 50 gain trim ltc2050hv C5v 2 1 0 C1 C2 (v) 24 0 6 8 10 time (sec) l , lt, ltc, ltm, linear technology and the linear logo are registered trademarks of linear technology corporation. thinsot is a trademark of linear technology corporation. all other trademarks are the property of their respective owners. protected by u.s. patents, including 5481178.
ltc2050/ltc2050hv 2 2050fc out 1 v C 2 top view s5 package 5-lead plastic tsot-23 +in 3 5 v + 4 Cin t jmax = 125c, ja = 250c/w out 1 v C 2 +in 3 6 v + 5 shd n 4 Cin top view s6 package 6-lead plastic tsot-23 t jmax = 125c, ja = 230c/w 1 2 3 4 8 7 6 5 top view nc v + out nc shdn Cin +in v C s8 package 8-lead plastic so t jmax = 125c, ja = 190c/w absolute maximum ratings total supply voltage (v + to v C ) ltc2050 ..................................................................7v ltc2050hv ...........................................................12v input voltage ........................ (v + + 0.3v) to (v C C 0.3v) output short-circuit duration ......................... inde? nite (note 1) operating temperature range................C40c to 125c speci? ed temperature range (note 3) ..................................................C40c to 125c storage temperature range ...................C65c to 150c lead temperature (soldering, 10 sec) .................. 300c pin configuration order information lead free finish tape and reel part marking* package description specified temperature range ltc2050cs5#pbf ltc2050cs5#trpbf ltaeg 5-lead plastic tsot-23 0c to 70c ltc2050is5#pbf ltc2050is5#trpbf ltaeg 5-lead plastic tsot-23 C40c to 85c ltc2050hs5#pbf ltc2050hs5#trpbf ltaeg 5-lead plastic tsot-23 C40c to 125c ltc2050hvcs5#pbf ltc2050hvcs5#trpbf ltaeh 5-lead plastic tsot-23 0c to 70c ltc2050hvis5#pbf ltc2050hvis5#trpbf ltaeh 5-lead plastic tsot-23 C40c to 85c ltc2050hvhs5#pbf ltc2050hvhs5#trpbf ltaeh 5-lead plastic tsot-23 C40c to 125c ltc2050cs6#pbf ltc2050cs6#trpbf ltaej 6-lead plastic tsot-23 0c to 70c ltc2050is6#pbf ltc2050is6#trpbf ltaej 6-lead plastic tsot-23 C40c to 85c ltc2050hs6#pbf ltc2050hs6#trpbf ltaej 6-lead plastic tsot-23 C40c to 125c ltc2050hvcs6#pbf ltc2050hvcs6#trpbf ltaek 6-lead plastic tsot-23 0c to 70c ltc2050hvis6#pbf ltc2050hvis6#trpbf ltaek 6-lead plastic tsot-23 C40c to 85c ltc2050hvhs6#pbf ltc2050hvhs6#trpbf ltaek 6-lead plastic tsot-23 C40c to 125c ltc2050cs8#pbf ltc2050cs8#trpbf 2050 8-lead plastic so 0c to 70c ltc2050is8#pbf ltc2050is8#trpbf 2050i 8-lead plastic so C40c to 85c ltc2050hvcs8#pbf ltc2050hvcs8#trpbf 2050hv 8-lead plastic so 0c to 70c ltc2050hvis8#pbf ltc2050hvis8#trpbf 050hvi 8-lead plastic so C40c to 85c
ltc2050/ltc2050hv 3 2050fc order information lead based finish tape and reel part marking* package description specified temperature range ltc2050cs5 ltc2050cs5#tr ltaeg 5-lead plastic tsot-23 0c to 70c ltc2050is5 ltc2050is5#tr ltaeg 5-lead plastic tsot-23 ?40c to 85c ltc2050hs5 ltc2050hs5#tr ltaeg 5-lead plastic tsot-23 ?40c to 125c ltc2050hvcs5 ltc2050hvcs5#tr ltaeh 5-lead plastic tsot-23 0c to 70c ltc2050hvis5 ltc2050hvis5#tr ltaeh 5-lead plastic tsot-23 ?40c to 85c ltc2050hvhs5 ltc2050hvhs5#tr ltaeh 5-lead plastic tsot-23 ?40c to 125c ltc2050cs6 ltc2050cs6#tr ltaej 6-lead plastic tsot-23 0c to 70c ltc2050is6 ltc2050is6#tr ltaej 6-lead plastic tsot-23 ?40c to 85c ltc2050hs6 ltc2050hs6#tr ltaej 6-lead plastic tsot-23 ?40c to 125c ltc2050hvcs6 ltc2050hvcs6#tr ltaek 6-lead plastic tsot-23 0c to 70c ltc2050hvis6 ltc2050hvis6#tr ltaek 6-lead plastic tsot-23 ?40c to 85c ltc2050hvhs6 ltc2050hvhs6#tr ltaek 6-lead plastic tsot-23 ?40c to 125c ltc2050cs8 ltc2050cs8#tr 2050 8-lead plastic so 0c to 70c ltc2050is8 ltc2050is8#tr 2050i 8-lead plastic so ?40c to 85c ltc2050hvcs8 ltc2050hvcs8#tr 2050hv 8-lead plastic so 0c to 70c ltc2050hvis8 ltc2050hvis8#tr 050hvi 8-lead plastic so ?40c to 85c consult ltc marketing for parts speci? ed with wider operating temperature ranges. *the temperature grade is identi? ed by a label on the shipping container. for more information on lead free part marking, go to: http://www.linear.com/leadfree/ for more information on tape and reel speci? cations, go to: http://www.linear.com/tapeandreel/
ltc2050/ltc2050hv 4 2050fc electrical characteristics parameter conditions c, i suffixes h suffix units min typ max min typ max input offset voltage (note 2) 0.5 3 0.5 3 v average input offset drift (note 2) l 0.03 0.05 v/c long-term offset drift 50 50 nv/ mo input bias current ltc2050 l 20 75 300 20 75 4000 pa pa ltc2050hv l 1 50 100 1 50 4000 pa pa input offset current ltc2050 l 150 200 150 1000 pa pa ltc2050hv l 100 150 100 1000 pa pa input noise voltage r s = 100, 0.01hz to 10hz 1.5 1.5 v p-p input capacitance 1.7 1.7 pf common mode rejection ratio v cm = gnd to (v + C 1.3) v cm = gnd to (v + C 1.3) l 115 110 130 130 115 110 130 130 db db power supply rejection ratio v s = 2.7v to 6v l 120 115 130 130 120 115 130 130 db db large-signal voltage gain r l = 10k l 120 115 140 140 120 115 140 140 db db output voltage swing high r l = 2k to gnd r l = 10k to gnd l l 2.85 2.95 2.94 2.98 2.85 2.95 2.94 2.98 v v output voltage swing low r l = 2k to gnd r l = 10k to gnd l l 1 1 10 10 1 1 10 10 mv mv slew rate 22v/s gain bandwidth product 3 3 mhz supply current v shdn = v ih , no load v shdn = v il l l 0.75 1.1 10 0.75 1.2 10 ma a shutdown pin input low voltage (v il ) l v C + 0.5 v C + 0.5 v shutdown pin input high voltage (v ih ) l v + C 0.5 v + C 0.5 v shutdown pin input current v shdn = gnd l C0.5 C3 C0.5 C3 a internal sampling frequency 7.5 7.5 khz (ltc2050/ltc2050hv) the l denotes the speci? cations which apply over the full operating temperature range, otherwise speci? cations are at t a = 25c. v s = 3v unless otherwise noted. (note 3)
ltc2050/ltc2050hv 5 2050fc parameter conditions c, i suffixes h suffix units min typ max min typ max input offset voltage (note 2) 0.5 3 0.5 3 v average input offset drift (note 2) l 0.03 0.05 v/c long-term offset drift 50 50 nv/ mo input bias current ltc2050 l 75 150 300 75 150 4000 pa pa ltc2050hv l 7 50 150 7 50 4000 pa pa input offset current ltc2050 l 300 400 300 1000 pa pa ltc2050hv l 100 200 100 1000 pa pa input noise voltage r s = 100, 0.01hz to 10hz 1.5 1.5 v p-p common mode rejection ratio v cm = gnd to (v + C 1.3) v cm = gnd to (v + C 1.3) l 120 115 130 130 120 110 130 130 db db power supply rejection ratio v s = 2.7v to 6v l 120 115 130 130 120 115 130 130 db db large-signal voltage gain r l = 10k l 125 120 140 140 125 115 140 140 db db output voltage swing high r l = 2k to gnd r l = 10k to gnd l l 4.85 4.95 4.94 4.98 4.85 4.95 4.94 4.98 v v output voltage swing low r l = 2k to gnd r l = 10k to gnd l l 1 1 10 10 1 1 10 10 mv mv slew rate 22v/s gain bandwidth product 3 3 mhz supply current v shdn = v ih , no load v shdn = v il l l 0.8 1.2 15 0.8 1.3 15 ma a shutdown pin input low voltage (v il ) l v C + 0.5 v C + 0.5 v shutdown pin input high voltage (v ih ) l v + C 0.5 v + C 0.5 v shutdown pin input current v shdn = gnd l C0.5 C7 C0.5 C7 a internal sampling frequency 7.5 7.5 khz electrical characteristics the l denotes the speci? cations which apply over the full operating temperature range, otherwise speci? cations are at t a = 25c. (ltc2050/ltc2050hv) v s = 5v unless otherwise noted. (note 3)
ltc2050/ltc2050hv 6 2050fc electrical characteristics (ltc2050hv) the l denotes the speci? cations which apply over the full operating temperature range, otherwise speci? cations are at t a = 25c. v s = 5v unless otherwise noted. (note 3) parameter conditions c, i suffixes h suffix units min typ max min typ max input offset voltage (note 2) 0.5 3 0.5 3 v average input offset drift (note 2) l 0.03 0.05 v/c long-term offset drift 50 50 nv/ mo input bias current (note 4) l 25 125 300 25 125 4000 pa pa input offset current (note 4) l 250 500 250 1000 pa pa input noise voltage r s = 100, 0.01hz to 10hz 1.5 1.5 v p-p common mode rejection ratio v cm = v C to (v + C 1.3) v cm = v C to (v + C 1.3) l 120 115 130 130 120 115 130 130 db db power supply rejection ratio v s = 2.7v to 11v l 120 115 130 130 120 115 130 130 db db large-signal voltage gain r l = 10k 125 120 140 140 125 120 140 140 db db maximum output voltage swing r l = 2k to gnd r l = 10k to gnd l l 4.75 4.90 4.94 4.98 4.50 4.85 4.94 4.98 v v slew rate 2 2 v/s gain bandwidth product 3 3 mhz supply current v shdn = v ih , no load v shdn = v il l l 1 1.5 25 1 1.6 25 ma a shutdown pin input low voltage (v il ) l v C + 0.5 v C + 0.5 v shutdown pin input high voltage (v ih ) l v + C 0.5 v + C 0.5 v shutdown pin input current v shdn = v C l C3 C20 C3 C20 a internal sampling frequency 7.5 7.5 khz note 1: stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. exposure to any absolute maximum rating condition for extended periods may affect device reliability and lifetime. note 2: these parameters are guaranteed by design. thermocouple effects preclude measurements of these voltage levels during automated testing. note 3: all versions of the ltc2050 are designed, characterized and expected to meet the extended temperature limits of C 40c and 125c. the ltc2050c/ltc2050hvc are guaranteed to meet the temperature limits of 0c and 70c. the ltc2050i/ltc2050hvi are guaranteed to meet the temperature limits of C40c and 85c. the ltc2050h/ltc2050hvh are guaranteed to meet the temperature limits of C40c and 125c. note 4: the bias current measurement accuracy depends on the proximity of the supply bypass capacitor to the device under test, especially at 5v supplies. because of testing limitations on the placement of this bypass capacitor, the bias current at 5v supplies is guaranteed by design to meet the data sheet limits, but tested to relaxed limits.
ltc2050/ltc2050hv 7 2050fc typical performance characteristics common mode rejection ratio vs frequency dc cmrr vs common mode input voltage psrr vs frequency output voltage swing vs load resistance output swing vs output current output swing vs load resistance 5v supply output swing vs output current 5v supply gain/phase vs frequency bias current vs temperature frequency (hz) 20 cmrr (db) 40 80 120 140 1 100 1k 100k 2050 g01 0 10 10k 60 100 v s = 3v or 5v v cm = 0.5v p-p v cm (v) 20 cmrr (db) 40 80 120 140 134 0 2050 g02 0 25 60 100 v s = 3v v s = 5v t a = 25c frequency (hz) 10 psrr (db) 120 100 80 60 40 20 0 100 1k 10k 100k 2050 g14 1m Cpsrr +psrr output current (ma) 0.01 2 output voltage (v) 3 4 5 0.1 1 10 2050 g04 1 0 6 v s = 5v v s = 3v frequency (hz) 0 gain (db) 20 40 60 100 100 1k 100k 1m 10m 2050 g05 C20 C40 10k 80 180 phase (deg) 160 140 120 100 200 80 gain phase v s = 3v or 5v c l = 35pf r l = 10k temperature (c) C25 10 1 100 10k 1k 100 75 2050 g06 C50 125 bias current (pa) 50 025 v s = 3v v s = 5v load resistance (k) 0 output swing (v) 5 4 3 2 1 0 C1 C2 C3 C4 C5 8 2050 g16 2 4 6 10 r l to gnd output current (ma) 0.01 output swing (v) 5 4 3 2 1 0 C1 C2 C3 C4 C5 2050 g17 0.1 10 1.0 r l to gnd load resistance (k) 0 output swing (v) 6 5 4 3 2 1 0 2 4 2050 g03 6 8 10 r l to gnd v s = 5v v s = 3v
ltc2050/ltc2050hv 8 2050fc typical performance characteristics input bias current vs input common mode voltage input bias current vs input common mode voltage (ltc2050hv) transient response input overload recovery sampling frequency vs supply voltage sampling frequency vs temperature supply current vs supply voltage supply current vs temperature input common mode voltage (v) 0 input bias current magnitude (pa) 3 5 2050 g13 12 4 160 140 120 100 80 60 40 20 0 v s = 5v v s = 3v input common mode voltage (v) input bias current (pa) 60 50 40 30 20 10 0 C10 2050 g15 C5 C3 C1 1 3 5 v s = 5v v s = 5v v s = 3v supply voltage (v) 2.5 5 sampling frequency (khz) 6 7 3.5 3.0 4.5 4.0 5.0 5.5 2050 g09 8 9 10 6.0 t a = 25c temperature (c) C50 sampling frequency (khz) 10 9 8 7 6 5 0 50 75 2050 g10 C25 25 100 125 v s = 5v supply voltage (v) supply current (ma) 24 6 8 10 1.2 1.0 0.8 0.6 0.4 0.2 0 2050 g11 t a = 25c temperature (c) C50 supply current (ma) 1.0 0.8 0.6 0.4 0.2 0 0 50 75 2050 g12 C25 25 100 125 v s = 3v v s = 5v 1s/div 0.5/div 2050 g07 a v = 1 r l = 100k c l = 50pf v s = 5v 500s/div input (v) output (v) C0.2 1.5 0 0 2050 g08 a v = C100 r l = 100k c l = 10pf v s = 1.5v
ltc2050/ltc2050hv 9 2050fc test circuits electrical characteristics test circuit dc-10hz noise test circuit C + ltc2050 C + lt1012 10 1 3 4 2050 tc02 100k 475k 475k 316k 158k 0.1f 0.01f 0.01f to x-y recorder for 1hz noise bw increase all the capacitors by a factor of 10. C + ltc2050 v + v C 10 1 2 3 4 5 r l 2050 tc01 100k output
ltc2050/ltc2050hv 10 2050fc multiplied by the closed loop gain of the op amp. to reduce this form of clock feedthrough, use smaller valued gain setting resistors and minimize the source resistance at the input. if the resistance seen at the inputs is less than 10k, this form of clock feedthrough is less than 1v rms input referred at 7.5khz, or less than the amount of residue clock feedthrough from the ? rst form described above. placing a capacitor across the feedback resistor reduces either form of clock feedthrough by limiting the bandwidth of the closed loop gain. input bias current is de? ned as the dc current into the input pins of the op amp. the same current spikes that cause the second form of clock feedthrough described above, when averaged, dominate the dc input bias current of the op amp below 70c. at temperatures above 70c, the leakage of the esd protection diodes on the inputs increases the input bias currents of both inputs in the positive direction, while the current caused by the charge injection stays rela- tively constant. at elevated temperatures (above 85c) the leakage current begins to dominate and both the negative and positive pins input bias currents are in the positive direction (into the pins). input pins, esd sensitivity esd voltages above 700v on the input pins of the op amp will cause the input bias currents to increase (more dc current into the pins). at these voltages, it is possible to damage the device to a point where the input bias current exceeds the maximums speci? ed in this data sheet. shutdown the ltc2050 includes a shutdown pin in the 6-lead sot-23 and the so-8 version. when this active low pin is high or allowed to ? oat, the device operates normally. when the shutdown pin is pulled low, the device enters shutdown mode; supply current drops to 3a, all clocking stops, and both inputs and output assume a high impedance state. clock feedthrough, input bias current the ltc2050 uses auto-zeroing circuitry to achieve an almost zero dc offset over temperature, common mode voltage, and power supply voltage. the frequency of the clock used for auto-zeroing is typically 7.5khz. the term clock feedthrough is broadly used to indicate visibility of this clock frequency in the op amp output spectrum. there are typically two types of clock feedthrough in auto zeroed op amps like the ltc2050. the ? rst form of clock feedthrough is caused by the settling of the internal sampling capacitor and is input referred; that is, it is multiplied by the closed loop gain of the op amp. this form of clock feedthrough is independent of the magnitude of the input source resistance or the magnitude of the gain setting resistors. the ltc2050 has a residue clock feedthrough of less then 1v rms input referred at 7.5khz. the second form of clock feedthrough is caused by the small amount of charge injection occurring during the sampling and holding of the op amps input offset voltage. the current spikes are multiplied by the impedance seen at the input terminals of the op amp, appearing at the output applications information
ltc2050/ltc2050hv 11 2050fc single supply thermocouple ampli? er gain of 1001 single supply instrumentation ampli? er typical applications 2050 ta04 + C + C 10k 10 10 10k v + v + 4 5 1 2 3 4 5 1 2 3 v out Cv in +v in ltc2050 ltc2050 output dc offset 6mv for 0.1% resistors, cmrr = 54db 0.1f C + C + lt1025a gnd k rC 5v 0.1f ltc2050 5 1 4 5 4 3 2 2 type k 7 v out 10mv/c 1k 1% 255k 1% 100 0.068f 2050 ta03 lt1025 compensates cold junction over 0c to 100c temperature range 5v
ltc2050/ltc2050hv 12 2050fc high precision 3-input mux instrumentation ampli? er with 100v common mode input voltage low side power supply current sensing C + 1 3 4 5 sel1 10k 1.1k in 1 a v = 10 C + 1 3 4 5 sel2 10k 10 in 2 a v = 1000 C + 1 3 4 5 sel3 in 3 a v = 1 ltc2050 ltc2050 ltc2050 out select inputs are cmos logic compatible 2050 ta07 shdn shdn shdn C + ltc2050hv 1 4 3 2050 ta08 5 2 5v C5v to measured circuit out 3v/amp load current in measured circuit, referred to C5v 10 10k 3m 0.1f load current C + ltc2050hv C + ltc2050hv 1m 1m 1 3 4 2050 ta06 1k 1m 1k 1k v out 5 2 1 3 4 5 2 v + v C v + v C output offset 3mv for 0.1% resistors, cmrr = 54db + C v in typical applications
ltc2050/ltc2050hv 13 2050fc package description 1.50 C 1.75 (note 4) 2.80 bsc 0.30 C 0.45 typ 5 plcs (note 3) datum a 0.09 C 0.20 (note 3) s5 tsot-23 0302 rev b pin one 2.90 bsc (note 4) 0.95 bsc 1.90 bsc 0.80 C 0.90 1.00 max 0.01 C 0.10 0.20 bsc 0.30 C 0.50 ref note: 1. dimensions are in millimeters 2. drawing not to scale 3. dimensions are inclusive of plating 4. dimensions are exclusive of mold flash and metal burr 5. mold flash shall not exceed 0.254mm 6. jedec package reference is mo-193 3.85 max 0.62 max 0.95 ref recommended solder pad layout per ipc calculator 1.4 min 2.62 ref 1.22 ref s5 package 5-lead plastic tsot-23 (reference ltc dwg # 05-08-1635)
ltc2050/ltc2050hv 14 2050fc 1.50 C 1.75 (note 4) 2.80 bsc 0.30 C 0.45 6 plcs (note 3) datum a 0.09 C 0.20 (note 3) s6 tsot-23 0302 rev b 2.90 bsc (note 4) 0.95 bsc 1.90 bsc 0.80 C 0.90 1.00 max 0.01 C 0.10 0.20 bsc 0.30 C 0.50 ref pin one id note: 1. dimensions are in millimeters 2. drawing not to scale 3. dimensions are inclusive of plating 4. dimensions are exclusive of mold flash and metal burr 5. mold flash shall not exceed 0.254mm 6. jedec package reference is mo-193 3.85 max 0.62 max 0.95 ref recommended solder pad layout per ipc calculator 1.4 min 2.62 ref 1.22 ref package description s6 package 6-lead plastic tsot-23 (reference ltc dwg # 05-08-1636)
ltc2050/ltc2050hv 15 2050fc information furnished by linear technology corporation is believed to be accurate and reliable. however, no responsibility is assumed for its use. linear technology corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. package description s8 package 8-lead plastic small outline (narrow .150 inch) (reference ltc dwg # 05-08-1610) .016 C .050 (0.406 C 1.270) .010 C .020 (0.254 C 0.508) s 45 0C 8 typ .008 C .010 (0.203 C 0.254) so8 0303 .053 C .069 (1.346 C 1.752) .014 C .019 (0.355 C 0.483) typ .004 C .010 (0.101 C 0.254) .050 (1.270) bsc 1 2 3 4 .150 C .157 (3.810 C 3.988) note 3 8 7 6 5 .189 C .197 (4.801 C 5.004) note 3 .228 C .244 (5.791 C 6.197) .245 min .160 .005 recommended solder pad layout .045 .005 .050 bsc .030 .005 typ inches (millimeters) note: 1. dimensions in 2. drawing not to scale 3. these dimensions do not include mold flash or protrusions. mold flash or protrusions shall not exceed .006" (0.15mm)
ltc2050/ltc2050hv 16 2050fc linear technology corporation 1630 mccarthy blvd., milpitas, ca 95035-7417 (408) 432-1900 fax: (408) 434-0507 www.linear.com ? linear technology corporation 1999 lt 0709 rev c ? printed in usa related parts typical application C + ltc2050 lt1034 + C v out v + 10k 1 2 3 4 5 r set 0 i out 4ma 0.2v v out (v + ) C 1.5v C + ltc2050 lt1034 + C v out v C 10k 1 2 3 4 5 r set 0 i out 4ma (v C ) + 1.5v v out C 1v 2050 ta05 i out = r set 1.235v i out = r set 1.235v part number description comments ltc1049 low power zero-drift op amp low supply current 200a ltc1050 precision zero-drift op amp single supply operation 4.75v to 16v, noise tested and guaranteed ltc1051/ltc1053 precision zero-drift op amp dual/quad ltc1150 15v zero-drift op amp high voltage operation 18v ltc1152 rail-to-rail input and output zero-drift op amp single zero-drift op amp with rail-to-rail input and output and shutdown lt1677 low noise rail-to-rail input and output precision op amp v os = 90v, v s = 2.7v to 44v lt1884/lt1885 rail-to-rail output precision op amp v os = 50v, ib = 400pa, v s = 2.7v to 40v ltc2051 dual zero-drift op amp dual version of the ltc2050 in ms8 package ground referred precision current sources

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