Datasheet

ELECTRICAL CHARACTERISTICS
(Tested at Ta=25°C,V
CC
=1.3V,fm=1kHz,f
O
=1MHz,MOD=30%,unless other specified)
Parameters Symbols Test conditions Min. Typ. Max. Unit
Supply Voltage V
CC
1.2 1.3 1.6 V
Quiescent Current I
CCQ
V
I
=0 0.14 0.20 0.30 mA
Input Resistance R
I
ü
3
ü
MΩ
Maximum sensitivity SM V
OD
=3mV
ü
600
ü
µV
Detector Output Voltage V
OD
V
I
=10mV 5 15 30 mV
The Range of AGC
∆A
ü
30
ü
dB
TEST CIRCUIT


Vin
TA76422 3
1
100kΩ
RAGC
1.5kΩ
0.1µF
0.01µF
75 Ω
Vout
Vcc


APPLICATION CIRCUIT


TA76422 3
1
600µH
140pF 7pF
100kΩ
R
AGC
1kΩ
0.01µF
0.15µF
0.1µF
1kΩ
32Ω
820kΩ
7.5kΩ
57Ω
1.5V



TA7642 LINEAR INTEGRATED CIRCUIT
ＳＵＭ 2