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Sony Semiconductor Electronic Components Datasheet

CXA1846AN Datasheet

Electronic volume control

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CXA1846AN pdf
CXA1846AM/AN
Electronic volume control
For the availability of this product, please contact the sales office.
Description
The CXA1846AM/AN is an electrical volume
control IC for use in car radios/stereos and radio-
cassette recorders featuring serial data control. It
has improved over the CXA1846M/N by reducing
the ‘pop’ noise during volume level-switchings.
CXA1846AM
20 pin SOP (Plastic)
CXA1846AN
20 pin SSOP (Plastic)
Features
Volume adjustment (0dB to –87dB, – dB)
Balance
Serial data control (DATA, CLK, CE)
Single 8V power supply
Zero-cross detection circuit
Structure
Bipolar silicon monolithic IC
Absolute Maximum Ratings (Ta=25 °C)
Supply voltage
VCC 13 V
Operating temperature Topr –40 to +85 °C
Storage temperature Tstg –65 to +150 °C
Allowable power dissipation
PD SOP 350 (75°C) mW
SSOP 220 (75°C) mW
Block Diagram and Pin Configuration
Recommended Supply Voltage Range
Supply voltage
VCC 6 to 12
V
20 19 18 17 16 15 14 13 12 11
50K
VOLUME VOLUME
8dB STEP 1dB STEP
100k
100k
LATCH
SHIFT REGISTER
50K
LATCH CONTROL
ZCDET
VOLUME VOLUME
8dB STEP 1dB STEP
1 2 3 4 5 6 7 8 9 10
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—
E97102B8Y


Sony Semiconductor Electronic Components Datasheet

CXA1846AN Datasheet

Electronic volume control

No Preview Available !

CXA1846AN pdf
CXA1846AM/AN
Pin Description
Pin No.
Symbol
I/O resistance
voltage
Equivalent circuit
VCC
Description
1 INP2
20 INP1
50k
VCT
129
1
20
Input operational amplifier positive
phase input
GND
VCC
2 INN2
19 INN1
VCT
129
2
19
Input operational amplifier
reversed phase input
GND
VCC
3 VCT2
18 VCT1
VCT
3
18
VCT buffer output
GND
VCC
4 INAO2
17 INAO1
VCT
4
17
5 VRIN2
16 VRIN1
8.2k
VCT
5
16
Input operational amplifier
GND
VCC
Volume input
GND
—2—


Part Number CXA1846AN
Description Electronic volume control
Maker Sony Corporation
Total Page 10 Pages
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CXA1846AN pdf
CXA1846AN Datasheet PDF
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