TA2012F TOSHIBA [Toshiba Semiconductor], TA2012F Datasheet

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TA2012F

Manufacturer Part Number
TA2012F
Description
3V AM / FM IF + MPX (For Digital Tuning System)
Manufacturer
TOSHIBA [Toshiba Semiconductor]
Datasheet
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
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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
For adopting ceramic discriminator and ceramic resonator, it
is not necessary to adjust the FM quad detector circuit and
FM ST DET VCO circuit.
S curve characteristics of FM detection output in TA8132AN, TA8132AF and TA2012N, TA2012F are reverse to
each other.
Built−in one terminal type AM low cut circuit.
TA2053F is reverse pin type of TA2012F.
Operating supply voltage range (Ta = 25°C)
V
○ Built−in mute circuit for IF count output.
○ Adjustable for IF count output sensitivity by external
resistance of pin(2).
CC (opr.)
signal) for IF counter of digital tuning system.
It is controlled by the IF request signal from digital
tuning system,
FM: 10.7MHz or 1.3375MHz (1 / 8 dividing)
AM: 450kHz
Pin(8) level: High → come out
TA8132AN, TA8132AF: Reverse characteristic.
TA2012N, TA2012F: Normal characteristic.
= 1.8~8.0V
changeable by external switch
TOSHIBA Bipolar Linear Integrated Circuit Silicon Monolithic
TA8132AN,TA8132AF,TA2012N,TA2012F
Low → non output
1
TA8132AN / AF , TA2012N / F
Weight
SDIP24−P−300−1.78: 1.2g (typ.)
SSOP24−P−300−1.00 : 0.31g (typ.)
2002-10-30

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TA2012F Summary of contents

Page 1

... For adopting ceramic discriminator and ceramic resonator not necessary to adjust the FM quad detector circuit and FM ST DET VCO circuit. 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. ...

Page 2

Block Diagram (Note) We recommend Ceramic resonator: CSB456F18 Ceramic discriminator: CDA10.7MG18 (MURATA MFG CO., LTD) TA8132AN / AF , TA2012N / F 2 2002-10-30 ...

Page 3

Explanation Of Terminals Pin Item No ・IF count output sensitivity adjust terminal 2 ・FM IF divider control terminal 3 AM OSC 4 AM OSC OUT LOW CUT TA8132AN / AF , ...

Page 4

Pin Item No. 7 AGC 8 IF OUT OUT 10 TUN LED (tuning LED LED (stereo LED) 12 GND 13 R-OUT 14 L-OUT TA8132AN / AF , TA2012N / F Internal Circuit ― ...

Page 5

Pin Item No. 15 VCO LPF2 ・LPF terminal for synchronous detector 16 ・Bias terminal for switch circuit → open→FM 16 LPF1 ・LPF Terminal for phase detector 17 ・VCO stop terminal ...

Page 6

Pin Item No. 20 QUAD (FM QUAD. Detector BY-PASS 22 By-pass for AM/FM IF AMP 23 AM MIX OUT TA8132AN / AF , TA2012N / F Internal Circuit 6 DC Voltage (V) ...

Page 7

Application Note 1. How to control the IF count output signal (pin(9) output) · Whether or not there is the IF count output signal (pin(9) output) is determined by the and of the pin(8) control voltage: V and tuning LED ...

Page 8

The gain loss AMP 0Ω IF -20dB (10.7MHz -20dB (1.3375MHz) (Note) ・In the condition of the mode possible to set up R ・In the condition of ...

Page 9

AM local oscillator buffer output · The output impedance of AM local oscillator buffer output pin (pin(4)) is 750Ω (typ.) (cf.P.3) · possible to reduce the output level to add the resistance between the pin(4) and V ...

Page 10

... Characteristic Supply voltage LED current LED voltage TA8132AN Power dissipation TA8132AF Operating Temperature Storage temperature (Note): Derated above 25°C in the proportion of 9.6mW / °C for TA8132AN, TA2012N and of 3.2mW / °C for TA8132AF, TA2012F. TA8132AN / AF , TA2012N / and for th CC 3V) CC Symbol Rating ...

Page 11

Electrical characteristics Unless Otherwise Specified 25°C, V Characteristic I Supply current I Input limiting voltage Recovered output voltage Signal to noise ratio Total harmonic distortion AM rejection ratio LED on sensitivity IF IF count FM output IF frequency ...

Page 12

Characteristic Symbol Gain G Recovered output V OD voltage Signal to noise ratio Total harmonic THD distortion LED on sensitivity V Local OSC buff. V OSC AM output voltage IF count output V (AM) IF voltage IF ...

Page 13

Characteristic Symbol Input resistance R Output resistance R OUT Max. composite V in MAX signal input voltage (stereo) Separation Sep THD Monaural (monaural) Total harmonic THD distortion MP X Stereo (stereo) Voltage gain G (MPX) V Channel balance C.B. ON ...

Page 14

Test Circuit 1 Coil Data (test circuit 1) Coil No OSC 796kHz IFT 455KHz 2 (S): SUMIDA ELECTRIC Co., Ltd. TA8132AN / AF , TA2012N / F Turn (µH) ...

Page 15

Test Circuit 2 Coil Data (test circuit 2) Coil No OSC 7.96MHz (T): TOKO Co., Ltd. TA8132AN / AF , TA2012N / Turn (µH) (pF) 1-2 2-3 1-3 1.4 ― 84 ...

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TA8132AN / AF , TA2012N / F 16 2002-10-30 ...

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TA8132AN / AF , TA2012N / F 17 2002-10-30 ...

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TA8132AN / AF , TA2012N / F 18 2002-10-30 ...

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Package Dimensions Weight: 1.2g (typ.) TA8132AN / AF , TA2012N / F 19 2002-10-30 ...

Page 20

Package Dimensions Weight: 0.31g (typ.) TA8132AN / AF , TA2012N / F 20 2002-10-30 ...

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RESTRICTIONS ON PRODUCT USE · TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress ...

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