Dedicated circuit for infrared remote control receiver system
HuaXin Micro-electronics Co., Ltd
Phone: 0512-68256888 Email:h-sun@h-sun.com Url:www.china-chip.com
HS9149A
HS9149...
Description
HuaXin Micro-electronics Co., Ltd
Phone: 0512-68256888 Email:h-sun@h-sun.com Url:www.china-chip.com
HS9149A
HS9149A 。 HS9148 ,,,HS9149A 10 , 16 。
1.
2. (SP), (HP)
3. RC
4.
16
HuaXin Micro-electronics Co., Ltd
/
Vdd Vin,Vout
Pd Tamb Tstg
Phone: 0512-68256888 Email:h-sun@h-sun.com Url:www.china-chip.com
6.0 Vss-0.3~Vdd+0.3
200 -20~+75 -55~+125
V V mW ℃ ℃
(,Tamb=25℃,Vdd=5V)
VDD IDD Fosc
Ta=25~75℃
4.5 5 5.5 V 1.6 mA
38 KHz
Ioh
Voh=4.0V
6.7
mA
Iol
Vol=1.0V
6.0
mA
Iih CODE ,VIH=5.0V 0 uA
Rup
CODE
245 kΩ
Vin
RX
1.2 2.5 3.7 V
Vhis
RX
0.8 V
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
GND
RxIN
HP1
HP2
HP3
HP4
HP5
SP5
SP4
SP3
SP2
SP1
CODE3
CODE2
OSC
VDD
26
HuaXin Micro-electronics Co., Ltd
Phone: 0512-68256888 Email:h-sun@h-sun.com Url:www.china-chip.com
1. C2,C3 ,。
245k, 1000pF , 200us,,C2,C3 ,“1”,“0”。C2,C3 “0”。 HS9148 C2,C3 ,HS9148 C1 HS9149A 。
2. RC ,R(39kΩ) C(1000pf), 38kHz,
:
3. 。 , 12 ,, 12
,, 12 , ,,, ,, 12 ,。
4. SP,HP SP1~SP5:
36
HuaXin Micro-electronics Co., Ltd
Phone: 0512-68256888 Email:h-sun@h-sun.com Url:www.china-chip.com
( 12 , 107ms 。) HP1~HP5:
(,,
, 160ms 。, HP 。/(REC/PLAY), /(REC/PAUSE)/(CUE/REVIEW)。)
5.( HS9148)
1 2 3 4 5 7 8 9 10 11
H 1 1 1 1 1 0 0 0 0 0
S1 S2 K1 K2 K3 K4 K5 K6 00100000 00010000 00001000 00000100 00000010 10100000 10010000 10001000 10000100 10000010
HP1 HP2 HP3 HP4 HP5 SP1 SP2 SP3 S...
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