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Sony Semiconductor Electronic Components Datasheet

CXA1622M Datasheet

Stereo Power Amplifier/Monaural BTL Power Amplifier

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CXA1622M pdf
CXA1622M/P
Stereo Power Amplifier/Monaural BTL Power Amplifier
Description
The CXA1622M/P is a bipolar IC developed as
power amplifier for compact radio cassettes with
built-in pre-amplifier and power amplifier electrical
volume.
CXA1622M
16 pin SOP (Plastic)
CXA1622P
16 pin DIP (Plastic)
Features
Use one channel in stereo mode
· EIAJ output=110 mW (Typ.), VCC=3 V, RL=8
(CXA1622M)
· EIAJ output=450 mW (Typ.), VCC=6 V, RL=8
(CXA1622P)
BTL mode
· EIAJ output=320 mW (Typ.), VCC=3 V, RL=8
(CXA1622M)
· EIAJ output=360 mW (Typ.), VCC=3 V, RL=8
(CXA1622P)
Built-in electrical volume
Built-in ripple filter (ripple rejection 34.5 dB typ.)
Selection between stereo power amplifier and
monaural BTL power amplifier is possible by
switching Pin 2.
Applications
Suitable for audio power amplifier for stereo and
monaural radios and power amplifier for radio
cassette and Walkman.
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings (Ta=25 °C)
Supply voltage VCC 8
V
Operating temperature Topr –10 to +60 °C
Storage temperature Tstg –65 to +150 °C
Allowable power dissipation
PD 410 (CXA1622M) mW
1200 (CXA1622P) mW
Operating Conditions (Ta=25 °C)
Supply voltage
Stereo mode
{ 1.8 V to 4.5 V (CXA1622M)
1.8 V to 7.0 V (CXA1622P)
Monaural BTL mode 1.8 V to 4.5 V
(3 V recommended)
Power dissipation curve
Free air
1000
CXA1622P
500
CXA1622M
–30 –20 –10 0 10 20 30 40 50 60 70
Ta-Ambient temperature (°C)
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
—1—
E92121B79-TE


Sony Semiconductor Electronic Components Datasheet

CXA1622M Datasheet

Stereo Power Amplifier/Monaural BTL Power Amplifier

No Preview Available !

CXA1622M pdf
CXA1622M/P
Pin Description
Pin
Symbol
No.
1, 16
IN1
IN2
3 NC
Equivalent circuit
VCC
16
11k
1
7.5k
GND
Pin voltage
3V 6V
0 0 Input
——
Description
4, 13
NF1
NF2
5, 12
6, 11
GND1
GND2
P-GND1
P-GND2
7, 10
OUT1
OUT2
VCC
4
13
4.7k
100k
GND
VCC
7
10
GND
100k
Power amplifier NF.
1.5 3
Connected to time constant 4.7 µF.
0 0 Pre-amplifier GND
0 0 Power amplifier GND
1.5 3 Power amplifier output
8 RIPPLE
9 VCC
VCC
8.5k
8
73k 73k
90k 90k
Connected to time constant 10 µF
2.72 5.43
for ripple filter.
3 6 VCC
—2—


Part Number CXA1622M
Description Stereo Power Amplifier/Monaural BTL Power Amplifier
Maker Sony Corporation
Total Page 13 Pages
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