CXA3556N データシートの表示（PDF） - Sony Semiconductor

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CXA3556N

IF Down Converter for Digital Broadcast

Sony Semiconductor 

CXA3556N

IF Down Converter for Digital Broadcast

Description

The CXA3556N is a one-chip integrated IC that

processes IF signals of a digital broadcast tuner and

includes an AGC amplifier circuit, a mixer circuit, a

local oscillator circuit and an output amplifier circuit.

The package utilizes a 24-pin SSOP suitable for

surface mounting.

24 pin SSOP (Plastic)

Features

• AGC control width that has a 56dB variable range

• Low noise characteristics

• Low distortion characteristics (in particular, during

AGC gain reduction)

• Includes switching function between down

converter mode and linear amplifier mode

• Variable output amplifier gain by changing external

resistance

• Includes RF AGC output pin

• Variable RF AGC settings

• AGC control curve characteristics with excellent

linearity

Absolute Maximum Rating (Ta = 25°C)

• Supply voltage

Vcc –0.3 to +12 V

• Operating temperature Topr –55 to +150 °C

Operating Conditions

• Supply voltage

Vcc 4.75 to 5.25 V

• Operating temperature Topr –25 to +75 °C

Applications

Digital broadcast tuners

Structure

Bipolar silicon monolithic IC

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–

E02426-PS

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