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TDA1083 Datasheet(PDF) 2 Page - ARTSCHIP ELECTRONICS CO.,LMITED.

Part No. TDA1083
Description  One Chip AM/FM Radio with Audio Power Amplifier
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Manufacturer  ARTSCHIP [ARTSCHIP ELECTRONICS CO.,LMITED.]
Direct Link  http://www.artschip.com/
Logo ARTSCHIP - ARTSCHIP ELECTRONICS CO.,LMITED.

TDA1083 Datasheet(HTML) 2 Page - ARTSCHIP ELECTRONICS CO.,LMITED.

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TDA1083
One Chip AM/FM Radio with Audio Power Amplifier
www.artschip.com
2
Electrical Characteristics
Vs=9V, reference points Pin 3 and 11, Tamb = 25℃, unless otherwise specified
Parameters
Test Conditions / Pin
Symbol
Min
Typ
Max
Unit
AF amplifier
AF voltage amplification
F=1 kHz
Gv
40
dB
Input impedance
Ri
150
kΩ
Output power
Figures 4 and 5
Vs=5.5V
RL=8Ω, K=10%
Po
300
mW
AM-IF amplifier, fi=1 MHz, fIF=455kHz, fmod=1 kHz, m=0.3
DC voltages at AM mode
Without signal
Vs=3V
Pin 10
Pin 12
Pin 13
Pin 16
Is=42mA
Pin 10
(Vs=12.5 to 14.3V)
Pin 12
Pin 13
Pin 16
V10
V12
V13
V16
V10
V12
V13
V16
1.0
3.0
1.25
5.9
12.5
1.5
1.2
3.0
1.2
13.3
1.4
3.0
2.0
7.2
14.3
2.0
V
V
V
V
V
V
V
V
Regulation range
VOAF/VOAF =-10dB
Pin 6
Δ
Vi
70
dB
AF voltage at demodulator
output
Pin 8
VOAF
100
mV
FM-IF amplifier, fIF=10.7 MHz, Δf=±22.5 kHz, fmod=1 kHz
DC voltages at FM mode
without signal
Vs=3V
Pin 10
Pin 12
Pin 13
Pin 16
Is=42mA
Pin 10
(Vs=12.5 to 14.3V)
Pin 12
Pin 13
Pin 16
V10
V12
V13
V16
V10
V12
V13
V16
1.0
3.0
1.8
5.9
12.5
2.0
1.2
3.0
1.2
13.3
1.4
3.0
2.8
7.2
14.3
3.1
V
V
V
V
V
V
V
V
Limiting threshold (-3dB)
Pin 2
VI
50
µV
AF voltage at demodulator
output
Pin 8
VOAF
100
mV
Different dc voltages are developed at Pin 16 due to gain spread of AM-IF-amplifier. To determine the value of parallel resistance
R8, at the output of the demodulator Pin 8 for Vs =9V, AM mode without signal, dc voltage should be selected at Pin 16.
Table 1. Available in following voltage groups
V16
1.4 to 1.7V
1.7V to 1.9V
1.9 to 2.1V
R8
47k
33k
Group
1
2
3


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