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TA2012

Bipolar Linear Integrated Circuit Silicon Monolithic

Toshiba 

TA8132AN / AF , TA2012N / F

TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic

TA8132AN,TA8132AF,TA2012N,TA2012F

3V AM / FM IF + MPX

(For Digital Tuning System)

TA8132AN, TA8132AF and TA2012N, TA2012F are the AM / FM

IF+ST DET system ICs, which are designed for DTS radios.

These are included many functions and these can be used for

digital tuning system with IF counter.

Features

· Built−in AM / FM IF and FM stereo PLL multiplex decoder.

· 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: 10.7MHz or 1.3375MHz (1 / 8 dividing)

changeable by external switch

AM: 450kHz

○ Built−in mute circuit for IF count output.

It is controlled by the IF request signal from digital

tuning system,

Pin(8) level: High → come out

Low → non output

○ Adjustable for IF count output sensitivity by external

resistance of pin(2).

· For adopting ceramic discriminator and ceramic resonator, it

is not necessary to adjust the FM quad detector circuit and

FM ST DET VCO circuit.

Weight

SDIP24−P−300−1.78: 1.2g (typ.)

SSOP24−P−300−1.00 : 0.31g (typ.)

· S curve characteristics of FM detection output in TA8132AN, TA8132AF and TA2012N, TA2012F are reverse to

each other.

TA8132AN, TA8132AF: Reverse characteristic.

TA2012N, TA2012F: Normal characteristic.

· Built−in one terminal type AM low cut circuit.

· TA2053F is reverse pin type of TA2012F.

· Operating supply voltage range (Ta = 25°C)

VCC (opr.) = 1.8~8.0V

1

2002-10-30

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