ET6122MTC etek microelectronics ET6122MTC datasheet general description ET6122MTC is an infrared remote contro ller integrated circuit, using an ex ternal resistor of rc oscillator, built-in infrared transmitter driven, mainly for television sets, tape recorders, stereo equipment, multimedia systems and personal computers. features z cmos manufacturing process z low voltage operation z rc oscillator external resistor z built-in infrared transmitter driven z 11 group user code z package:sop16(ET6122MTC) pin configuration 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 gnd osc s0 s1 s2 s3 s4 s5 s6 s7 s8 s9 s1 0 cs out vdd pin function pin smybol i/o function 1 gnd gnd negative power supply 2 osc o oscillator pin 3 13 s0 s10 i/o key scan input and output pin 14 cs i select the user code 15 out o code output pin 16 vdd vdd positive power supply rev 1.1 2010-06-13 1/4 free datasheet http://www.datasheet-pdf.com/
ET6122MTC block diagram functional description 1. output encoding format out pin code format is compatible with 6122, as shown below. data code range 00 ~ 1f and 40 ~ 5f. application specific refe rence circuit diagram. 2. select the user code when s0 ~ s10 (3 ~ 13 feet) to connect to the cs (14 feet), you can choose a user code, correspondence in the following table. application specific reference circuit diagram. 14 then- 3 4 5 6 7 8 9 10 11 12 13 user code 40bf 08e6 10ef 08f7 01de 01fa 01f6 02f9 208d 4877 01be rev 1.1 2010-06-13 2/4 free datasheet http://www.datasheet-pdf.com/
ET6122MTC below is a set of user code waveform, corresponding to the user code is cc1d. absolute maximum ratings ta=25 parameter symbol test condition range unit supply voltage v dd - 0.3 5.0 v input voltage v in v dd = 3v - 0.5 v dd + 0.5 v output voltage v out v dd = 3v - 0.5 v dd + 0.5 v operating temperature topr v dd = 3v - 20 70 storage temperature tstg - 40 125 electrical characteristics ta=25 parameter symbol min typ max unit test condition supply voltage v dd 2.2 3.0 3.5 v operating current i dd 1 ma v dd = 3v freq = 455khz standby current i ds 1.5 3 a v dd = 3v no buttons oscillator frequency fosc 455 khz rosc=255k ? drive current iol 180 ma vdd=3v ,vol=0.3v rev 1.1 2010-06-13 3/4 free datasheet http://www.datasheet-pdf.com/
ET6122MTC application circuits package dimension sop16 3.900.20 9.900.20 1.27 0.1750.10 1.380.20 6.000.20 0.650.10 uni t: mm 1.550.20 0.406 0.496 0.178 0.278 0 7 rev 1.1 2010-06-13 4/4 free datasheet http://www.datasheet-pdf.com/
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