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PDF TA8132AF Data sheet ( Hoja de datos )
| Número de pieza | TA8132AF | |
| Descripción | 3V AM / FM IF + MPX | |
| Fabricantes | Toshiba Semiconductor | |
| Logotipo |  |
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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
1 page  
Pin
No.
Item
15 VCO
LPF2
・LPF terminal for synchronous
detector
16 ・Bias terminal for AM / FM switch
circuit
V16 = VCC→AM
V16 = open→FM
LPF1
・LPF Terminal for phase detector
17 ・VCO stop terminal
V17 = VCC→VCO stop
18 FM ST DET IN
TA8132AN / AF , TA2012N / F
Internal Circuit
DC Voltage (V)
(at no Signal)
AM FM
2.5
2.5
(VCO
stop
mode)
3.0 2.2
2.7 2.2
0.7 0.7
19 DET OUT
1.1 1.1
5 2002-10-30
5 Page 
TA8132AN / AF , TA2012N / F
Electrical characteristics
Unless Otherwise Specified, Ta = 25°C, VCC1 = 3V, SW1→10kΩ, SW3→OFF
FM IF: f = 10.7MHz, ∆f = ±22.5kHz, fm = 1kHz
AM: f = 1MHz, MOD = 30%, fm = 1kHz
MPX: fm = 1kHz
Characteristic
Supply current
Input limiting
voltage
Recovered output
voltage
Signal to noise
ratio
Total harmonic
distortion
AM rejection ratio
LED on sensitivity
IF count
FM output
IF frequency
IF
1 / 8 IF
IF count
output
voltage
IF
1 / 8 IF
IF count output
sensitivity
Symbol
ICC (FM)
ICC (AM)
Vin (lim.)
Test
Cir-
cuit
Test Condition
1 FM mode, Vin = 0
1 AM mode, Vin = 0
1 -3dB limiting point
VOD
1 Vin = 80dBµV EMF
S/N
1 Vin = 80dBµV EMF
THD
AMR
VL
fIF (FM)
f1 / 8 IF (FM)
VIF (FM)
V1 / 8 IF (FM)
IFsens. (FM)
1 Vin = 80dBµV EMF
1 Vin = 80dBµV EMF
1 IL = 1mA
1
Vin = 80dBµV EMF,
SW2→VCC, SW3→ON
1
Vin = 80dBµV EMF,
SW2→GND, SW3→ON
1
Vin = 61dBµV EMF,
SW2→VCC, SW3→ON
1
Vin = 61dBµV EMF,
SW2→GND, SW3→ON
SW1→0, SW2→GND,
SW3→ON
SW1→510Ω, SW2→GND,
1 SW3→ON
SW1→0, SW2→,VCC,
SW3→ON
SW1→510Ω, SW2→,VCC,
SW3→ON
Min. Typ. Max. Unit
― 11.0 14.0
mA
― 10.5 13.5
41
46
51
dBµV
EMF
50 75 100 mVrms
― 65 ― dB
― 0.2 ―
%
― 38 ― dB
48
53
58
dBµV
EMF
― 10.7 ―
1.3374 1.3375 1.3376
MHz
350 500
350 500
―
mVp-p
―
― 76 ―
― 68 ―
dBµV
EMF
― 77 ―
― 69 ―
11 2002-10-30
11 Page | ||
| Páginas | Total 21 Páginas | |
| PDF Descargar | [ Datasheet TA8132AF.PDF ] | |
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