1/8 n wide supply voltage range: 3 to 30v n single or split supply operation n very low current consumption: 0.8ma n very low distortion: 0.03% typical description the TDA2320A is a stereo class a preamplifier in- tended for application in portable cassette players and high quality audio systems. the TDA2320A is a monolithic integrated circuit in a 8 lead plastic dip. order code n = dual in line package (dip pin connections (top view) part number temperature range package nd TDA2320A -40c, +105c example : TDA2320An n dip8 (plastic package) d so8 (plastic micropackage) inverting input 2 non-inverting input 2 non-inverting input 1 - cc v 1 2 3 4 8 5 6 7 cc v + - + - + output 1 inverting input 1 output TDA2320A stereo amplifier december 2001
TDA2320A 2/8 schematic diagram (1/2 TDA2320A) absolute maximum ratings symbol parameter value unit v cc supply voltage 36 v p tot total power dissipation at t amb = 70c 1) 1. power dissipation must be considered to ensure maximum junction temperature (tj) is not exceeded. 400 mw t stg ,t j storage and junction temperature -40 to 150 c r1 2k w r16 4k w r2 2k w r5 4k w q25 q11 q2 q3 r6 4k w q12 q13 r11 1k w q14 q35 r18 2k w r12 812 w v cc v cc q29 q27 q21 q37 q38 q28 q30 q22 q36 q17 r17 4k w r14 27 w r13 27 w output q20 q19 q23 q34 q33 r10 45k w r9 15k w r8 150k w r7 15k w q18 c1 43pf c2 23pf non-inverting input inverting input q15 q32 q31 q10 q9 r4 1.2k w r3 60k w r15 150k w q8 q4 q6 q7 q5
TDA2320A 3/8 electrical characteristics v cc = 15v, t amb = 25c (unless otherwise specified) symbol parameter min. typ. max. unit v cc supply voltage 3 30 v i cc supply current 0.8 2 ma i ib input bias current 150 500 mv v io input offset voltage r s 10k w 15 mv i io input offset current 10 50 na a vd open loop voltage gain v cc = 15v f = 333hz f = 1khz f = 10khz f = 1khz 80 70 50 70 db v opp output voltage swing (f = 1khz, r l = 600 w ) v cc = 15v v cc = 4.5v 13 2.5 v gbp gain-bandwidth product f = 200khz 1.5 2.5 mhz fpb power bandwidth v o = 5v pp , thd = 1% 40 70 khz sr slew rate (see note 1) 1 1.6 v/ m s e n equivalent input noise voltage curve a rs = 50 w rs = 600 w rs = 5k w b = 22hz to 22khz rs = 50 w rs = 600 w rs = 5k w f = 1khz rs = 600 w 1 1.1 1.5 1.3 1.5 2 9 v v v v v nv/ ? hz thd distortion (v o = 2v, a v = 20db) f = 1khz f = 10khz 0.03 0.08 % psrr power supply rejection ratio f = 100hz 80 db v o1 /v o2 channel separation f = 1khz 100 db v
TDA2320A 4/8
TDA2320A 5/8
TDA2320A 6/8 figure 12 : filter configuration figure 13 : 5th order low-pass filter (butterworth) with unity gain configuration figure 14 : 5th order high-pass filter (butterworth) with unity gain configuration c2 r2 r1 vin c1 vout c2 r2 r1 c1 ri ci c4 r4 r3 c3 r2 c2 c1 r1 ri ci r4 c3 r3 c4
TDA2320A 7/8 package mechanical data 8 pins - plastic dip dimensions millimeters inches min. typ. max. min. typ. max. a 3.32 0.131 a1 0.51 0.020 b 1.15 1.65 0.045 0.065 b 0.356 0.55 0.014 0.022 b1 0.204 0.304 0.008 0.012 d 10.92 0.430 e 7.95 9.75 0.313 0.384 e 2.54 0.100 e3 7.62 0.300 e4 7.62 0.300 f 6.6 0260 i 5.08 0.200 l 3.18 3.81 0.125 0.150 z 1.52 0.060
TDA2320A 8/8 package mechanical data 8 pins - plastic micropackage (so) dimensions millimeters inches min. typ. max. min. typ. max. a 1.75 0.069 a1 0.1 0.25 0.004 0.010 a2 1.65 0.065 a3 0.65 0.85 0.026 0.033 b 0.35 0.48 0.014 0.019 b1 0.19 0.25 0.007 0.010 c 0.25 0.5 0.010 0.020 c1 45 (typ.) d 4.8 5.0 0.189 0.197 e 5.8 6.2 0.228 0.244 e 1.27 0.050 e3 3.81 0.150 f 3.8 4.0 0.150 0.157 l 0.4 1.27 0.016 0.050 m 0.6 0.024 s 8 (max.) b e3 a a2 s l c e c1 a3 b1 a1 d m 8 5 1 4 f information furnished is believed to be accurate and reliable. however, stmicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result f rom its use. no license is granted by implication or otherwise under any patent or patent rights of stmicroelectronics. specificati ons mentioned in this publication are subject to change without notice. this publication supersedes and replaces all information previously supplied. stmicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of stmicroelectronics. ? the st logo is a registered trademark of stmicroelectronics ? 2001 stmicroelectronics - printed in italy - all rights reserved stmicroelectronics group of companies australia - brazil - canada - china - finland - france - germany - hong kong - india - israel - italy - japan - malaysia malta - morocco - singapore - spain - sweden - switzerland - united kingdom - united states ? http://www.st.com
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