Processor IC. CXA3668N Datasheet

CXA3668N IC. Datasheet pdf. Equivalent

Part CXA3668N
Description Reception Analog Signal Processor IC
Feature www.DataSheet4U.com CXA3668N 24 pin SSOP (Plastic) Reception Analog Signal Processor IC for Infrar.
Manufacture Sony Corporation
Datasheet
Download CXA3668N Datasheet




CXA3668N
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CXA3668N
Reception Analog Signal Processor IC for Infrared Space Digital Audio Communication
Description
The CXA3668N is an IC that performs reception side
analog signal processing for optical communication
in combination with an infrared photodiode within a
Digital Infrared Audio Transmission (DIAT) system.
This IC incorporates a low noise trans-conductance
amplifier (I/V amplifier) that converts the optical
current from the photodiode into a voltage and
amplifies it, an AGC amplifier, a low-pass filter, band-
pass filters, and an output amplifier.
The band-pass filters are used to separate the
desired signal and the interfering signal. This chip
has the two types of Full (3 to 6MHz) and Half (3 to
4.5MHz) band-pass filters, and these can be
switched according to the application.
Full: Full-band width (3 to 6MHz)
Half: Half-band width (3 to 4.5MHz)
24 pin SSOP (Plastic)
Features
Wide dynamic range
On-chip I/V amplifier
On-chip output filter
Filter band switching pin
Surface mounting package (24-pin SSOP)
Applications
Infrared headphones
Infrared speakers
Structure
Bi-CMOS IC
Absolute Maximum Ratings (Ta = 25°C)
Supply voltage
VCCI, VCC2, VCCS, VCCO
Storage temperature
Tstg
Allowable power dissipation PD
3.3
–55 to +150
400
V
°C
mW
Recommended Operating Conditions
Supply voltage
VCCI, VCC2, VCCS, VCCO
Operating temperature
Topr
2.3 to 2.7
–40 to +85
V
°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–
E04244-PS



CXA3668N
Pin Configuration and Block Diagram
24 23 22 21 20 19 18 17 16 15 14 13
comp
BIAS
Vcc – 0.5V
comp
FWR
4k
I/V AMP
0deg
S/D
CONV
180deg
GCA
LPF
fc =
DIVCODE_H: 6MHz
DIVCODE_L: 4.5MHz
HPF
fc = 3MHz
PREAMP OUTPUT_AMP
GNDMOS
0deg
180deg
FWR FWR comp
CONT
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