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Sony Semiconductor Electronic Components Datasheet

CXA3556N Datasheet

IF Down Converter for Digital Broadcast

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CXA3556N pdf
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
Operating temperature Topr –55 to +150
V
°C
Operating Conditions
Supply voltage
Vcc
Operating temperature Topr
4.75 to 5.25
–25 to +75
V
°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


Sony Semiconductor Electronic Components Datasheet

CXA3556N Datasheet

IF Down Converter for Digital Broadcast

No Preview Available !

CXA3556N pdf
Block Diagram and Pin Configuration
IFIN1 1
IFIN2 2
RFAGC 3
Comparator
IREG 4
REG
VREG 5
LOB1 6
AGC
Amp.
Output
Amp.
LOC1 7
LOC2 8
OSC
Mixer
LOB2 9
VCC1 10
MO1 11
MO2 12
CXA3556N
24 AGCIN
23 MODESEL
22 AGCGND
21 AO2
20 AO1
19 GND
18 AGCREF
17 E2
16 E1
15 AIN2
14 AIN1
13 VCC2
–2–


Part Number CXA3556N
Description IF Down Converter for Digital Broadcast
Maker Sony Corporation
Total Page 13 Pages
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