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TEA2025B Datasheet Preview

TEA2025B Datasheet

STEREO AUDIO AMPLIFIER

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TEA2025B (9V)
LINEAR INTEGRATED CIRCUIT
STEREO AUDIO AMPLIFIER
DESCRIPTION
The TEA2025B is a monolithic integrated audio amplifier in a
16-pin plastic dual in line package. It is designed for
portable cassette players and radios.
FEATURES
*Working Voltage down to 3V
*Few External components
*High Channel isolation
*Voltage gain up to 45dB(Adjustable with external
resistor)
*Soft clipping
*Internal Thermal protection
DIP-16
BLOCK DIAGRAM
9 10 11
50
THERMAL
PROTECT
12
13
10k
START
CIRCUIT
8
7
DECOUPLING
50
6
5
10k
4
14 15
5k
16
50
1
32
ABSOLUTE MAXIMUM RATINGS
Characteristic
Symbol
Supply Voltage
V
Output Peak Current
IO
Junction Temperature
Tj
Storage Temperature
Tstg
Value
11
1.5
150
-40+150
Unit
V
A
°
°
1




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TEA2025B Datasheet Preview

TEA2025B Datasheet

STEREO AUDIO AMPLIFIER

No Preview Available !

TEA2025B
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS
(Tamb=25°,VCC=9V,Stereo,Unless otherwise specified)
Parameter
Symbol
Test conditions
Supply Voltage
VS
Quiescent Current
IQ
Quiescent output voltage
VO
Voltage gain
AV Stereo
Bridge
Voltage gain difference
AV
Input impedance
Ri
f=1kHz;d=10%
Stereo per channel
VCC=9V;RL=4
RL=8
VCC=6V;RL=4
RL=8
Output Power
PO VCC=3V;RL=4
Bridge
VCC=9V;RL=8
VCC=6V;RL=4
VCC=9V;RL=4
Distortion
d f=1kHz;PO=250mW
Stereo
Bridge
RG=0;AV=45dB
Supply voltage Rejection
SVR Vripple=150mVRMS
Fripple=100Hz
AV=200
Bandwidth:
Input noise Voltage
Vn 20Hz to 20kHz
RG=0
RG=10k
Cross-Talk
C.T. RG=10k;
f=1kHz;RL=4
PO=1W
THERMAL RESISTANCE
Rth(j-c):Junction to case thermal resistance 15° /W
Rth(j-a):Junction to ambient thermal resistance 60° /w
Min Typ Max Unit
3 10 V
40 50 mA
4.5 V
43 45 47 dB
49 51 53
±1 dB
30 k
1.7 2.3
1.3
0.7 1
0.6
0.1
4.7
2.8
W
-
0.3 1.5
%
- 0.5 -
40 46 - dB
- 1.5 3 µV
- 36
40 55 - dB
2


Part Number TEA2025B
Description STEREO AUDIO AMPLIFIER
Maker SUM
Total Page 4 Pages
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