HT12M Datasheet, PDF (5/6 Pages) Holtek Semiconductor Inc – Decoder Doorbell

Using external OP amplifier circuit
V DD
AN TEN N A
R.
OP Am p
VDD
D IN
AM P ^TEST
1 _A0
2 _A1
3 _A2
4 _A3
AUD
5 _A4
VT
6 _A5
7 _A6
O SCI
8 _A7
VSS
H T12M
Typical RF-Receiver circuit
V DD
202
202
7p.
39p.
1815
3p.
6 .8
202
HT12M
R . -O U T
Rev. 1.00
5
March 25, 2002