UNISONIC TECHNOLOGIES CO., LTD
TA7640AP
LINEAR INTEGRATED CIRCUIT
AM/FM IF PROCESSOR
DESCRIPTION The UTC TA7640AP ...
UNISONIC TECHNOLOGIES CO., LTD
TA7640AP
LINEAR INTEGRATED CIRCUIT
AM/FM IF PROCESSOR
DESCRIPTION The UTC TA7640AP is a monolithic integrated circuit
designed for the radios cassette tape recorder.
FEATURES
* Low operating current * Low external component * Internal AM/FM switch * Wide operating voltage: VCC=3.8V
DIP-16
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
TA7640AP-D16-T
TA7640APL-D16-T
Package DIP-16
Packing Tube
TA7640APG-D16-T
(1)Packing Type (2)Package Type (3)Green Package
MARKING
16 15 14 13 12 11 10 9
UTC TA7640AP
1 2345 6 7 8
Date Code
L: Lead Free G: Halogen Free Lot Code
(1) T: Tube (2) D16: DIP-16 (3) G: Halogen Free and Lead Free, L: Lead Free
www.unisonic.com.tw Copyright © 2019 Unisonic Technologies Co., Ltd
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QW-R110-007.D
TA7640AP
PIN CONFIGURATION
AM Mixer Input 1 AM Mixer Bypass 2
AM Local OSC 3 Voltage
Regulator 4
AM IF Out 5 Level Meter Out 6 Led Driver Output 7
GND 8
LINEAR INTEGRATED CIRCUIT
16 AM Mixer Output 15 FM IF Input 14 FM IF Bypass 13 AM IF Input 12 AM IF Bypass 11 FM Decter Out 10 VCC 9 Dectector
BLOCK DIAGRAM
INPUT
0.01 F
16 15 14
0.047 F 13 12
FM IF AMP
AM IF AMP
IF AMP
0.015 F
11
10
9
FREQUENCY DETECTOR
AM/FM SWITCH
4.7k 100 F
Vcc=5V
MIXER
DC AMP IF AMP
LOCAL OSC
REGULAT OR
1
2
3
4
5
AM
FM
10 F
AM AMP 68k
DRIVER
6
78
22 F
0.047 F
UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw
2 of 4
QW-R110-007.D
TA7640AP
LINEAR INTEGRATED CIRCUIT
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