CXA1646Q Просмотр технического описания (PDF) - Sony Semiconductor

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CXA1646Q

Electronic Volume

Sony Semiconductor 

CXA1646Q/CXA1767Q

Electronic Volume

Description

The CXA1646Q/CXA1767Q is a serial control

electronic volume IC for car stereos.

CXA1646Q

48 pin QFP (Plastic)

CXA1767Q

40 pin QFP (Plastic)

Features

• Loudness

• Volume control

(1dB-step from 0dB to –87dB, –∞dB)

• Balance

• Tone control

(2dB-step 2 band from –14dB to +14dB)

• Fader

(2dB-step to –20dB, –25dB, –35dB, –45dB, –60dB, –∞dB)

• Input selector (4 channels)

• Serial data control (DATA, CLK, CE)

• Single 8V power supply

• Zero-cross detection circuit

Structure

Bipolar IC

Absolute Maximum Ratings (Ta = 25°C)

• Supply voltage

VCC

13

• Operating temperature

Topr –40 to +85

• Storage temperature

Tstg –65 to +150

• Allowable power dissipation

PD

350

240

V

°C

°C

mW (Ta = 85°C, 1646Q)

mW (Ta = 85°C, 1767Q)

Recommended Operating Condition

Supply voltage

VCC

6 to 12

V

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–

E92759D7Y

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