AT8100 preamplifier for remote control 2f, no.10, prosperity rd. ii, science-based industrial park, hsin chu 300,taiwan, r.o.c. tel: 886-3-563-0878 www: http://www.aimtron.com.tw fax: 886-3-563-0879 email: service@aimtron.com.tw 1 features ? low power consumption (vcc=5v, 9mw typ.) ? low power supply voltage (vcc=5v) ? built-in filter (with optional center frequency 38khz typ.) ? possible to direct conn ection to a photodiode. ? open collector output ( possible to direct connection to ttl and cmos input). ? high immunity against ambient light. ? absolute immunity against cw noise. applications ? infrared receiver module general description the AT8100 is specifically developed for use in infrared remote control system receiving preamplifier. capable of accepting a photodiode directly, it is comprised of a primary stage amplifier, limiter amplifier, bpf, signal waveform detecting circuit, waveform shaping circuit. block dia g ram
AT8100 preamplifier for remote control 2f, no.10, prosperity rd. ii, science-based industrial park, hsin chu 300,taiwan, r.o.c. tel: 886-3-563-0878 www: http://www.aimtron.com.tw fax: 886-3-563-0879 email: service@aimtron.com.tw 2 pad configuration absolute maximum ratings (t a =+25 0 c) rated value parameter symbol condition min. max. unit power supply voltage avdd ? 4.5 5.5 v input voltage v ip ??5v p-p operating temperature t opr ?0+75 0 c storage temperature t stg ? -55 +125 0 c recommended operating conditions (ta=+25 0 c) values parameter symbol min. typ. max. unit power supply voltage avdd 4.7 -- 5.3
AT8100 preamplifier for remote control 2f, no.10, prosperity rd. ii, science-based industrial park, hsin chu 300,taiwan, r.o.c. tel: 886-3-563-0878 www: http://www.aimtron.com.tw fax: 886-3-563-0879 email: service@aimtron.com.tw 3 electrical characteristics (avdd=5.0v, ta=+25 0 c) values parameter symbol condition min. typ. max. unit v ip1 i ip =0 , pin ip open 2.0 2.5 3.1 v input pin voltage v ip2 i ip =-300 a 0.6 1.0 1.7 v low level output voltage v ol -0.20.4v high level output voltage v oh 4.5 5.0 - v output leakage current i oh -02.2 a voltage gain av 38khz cw 50 v p-p 74 - 84 db input impedance r in 38khz cw 0.2v p-p (note 2) 27 40 55 k ? bpf bandwidth f bw -3db bandwidth 50 v p-p 4 8 - khz output pulse width (1) t pw1 38khz burst wave 50 v p-p (note 1) 440 - 770 s output pulse width (2) tpw2 38khz burst wave 50mv p-p (note 1) 440 - 770 s supply current i avdd -22.8ma * 1 *2
AT8100 preamplifier for remote control 2f, no.10, prosperity rd. ii, science-based industrial park, hsin chu 300,taiwan, r.o.c. tel: 886-3-563-0878 www: http://www.aimtron.com.tw fax: 886-3-563-0879 email: service@aimtron.com.tw 4 application circuit pad location pin name x y description 01 agnd 750.5 804.0 ground 02 ip 546.5 804.0 signal input 03 ca 190.7 804.0 gain setting 04 t1 91.7 681.6 05 t2 91.7 565.6 06 t3 91.7 449.6 07 t4 91.7 333.6 08 t5 91.7 217.6 test(no use for application) 09 v04 190.7 94.0 test(no use for application) 10 vout 546.4 94.0 output 11 avdd 750.5 94.0 power input
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