TA2008AN
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA2008AN
5V AM / FM 1 Chip Tuner IC
(for digital tuning system)
The TA2008AN is the AM / FM 1 chip tuner IC, which is designed
for radio cassette players and music centers.
This is suitable for digital tuning system applications.
Features
·
·
Suitable for combination with digital tuning system which is
included IF counter.
One terminal type AM / FM IF count output (auto stop signal)
for IF counter of digital tuning system.
·
FM: 1.3375MHz (1 / 8 dividing)
·
AM: 450kHz
·
·
·
·
Built−in mute circuit for IF count output.
Weight: 1.2g (typ.)
For adopting ceramic discriminator and ceramic resonator, it is not necessary to adjust the FM quad detector
circuit and FM stereo detector vco circuit.
Built−in one terminal type AM / FM local oscillator buffer output for digital tuning system applications.
Operating supply voltage range: V
CC
= 3.5~14V (Ta = 25°C)
1
2002-10-30
TA2008AN
Pin
No.
Characteristic
Internal Circuit
DC Voltage (V)
(at no signal)
AM
FM
13
VCO
5.0
4.1
14
LPF2
・LPF
terminal for synchronous detector.
・VCO
stop terminal
V
14
= GND
→
VCO stop
5.0
3.4
15
LPF1
・LPF
terminal for phase detector
・Bias
terminal for AM / FM SW circuit
V
15
= GND
→
AM
V
15
= open
→
FM
0
2.8
16
FM ST DET in
1.4
1.4
5
2002-10-30
嵌入式系统
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