CXD1961Q View Datasheet(PDF) - Sony Semiconductor

Part Name

Description

Manufacturer

CXD1961Q

DVB-S Front-end IC (QPSK demodulator + FEC)

Sony Semiconductor 

CXD1961Q

DVB-S Front-end IC (QPSK demodulator + FEC) Preliminary

Description

The CXD1961Q is a single chip DVB Satellite

Broadcasting Front-end IC, including dual ADC for

analog I/O inputs, QPSK demodulator, Viterbi

decoder, de-interleaver, Reed-Solomon decoder

and Energy Dispersal descrambler.

It is suitable for use in a DVB Integrated Receiver

Decoder.

100 pin QFP (Plastic)

Features

• Dual 6 bit A/D converters

• QPSK demodulator

Multi-symbol rate operation

Nyquist roll off filter (α = 0.35)

Clock recovery circuit

Carrier recovery circuit

AGC control circuit

• Viterbi decoder

Constraint length K =7

Punctured rate R = 1/2 –7/8

Truncation length 144

Punctured rate search function

BER monitor

• De-interleaver

Packet synchronization

Convolutional de-interleaver

• Reed-Solomon decoder (204, 188)

• Energy dispersal descrambler

• CPU interface

l2C bus interface/8 bit CPU bus

TTL interface level (5V input capability)

• JTAG(IEEE std 1149.1–1990) test mode

• Package : QFP-100pin

• Single +3.3V Power Supply

• Symbol rate max:32MSPS min:TBD

• Power consumption TBD

• 0.4um CMOS Technology

Absolute Maximum Ratings (Ta=25°C, GND=0V)

• Supply voltage

VDD

–0.5 to 4.6 V

• Input voltage

VIN –0.5 to VDD+0.5 V

• Output voltage

VOUT –0.5 to VDD+0.5 V

• I/O voltage

VI/O –0.5 to VDD+0.5 V

• CPU I/F pin

VCPUIF –0.5 to 5.5 V

• Operating temperature Topr

0 to +75 °C

• Storage temperature Tstg –55 to +150 °C

DC Recommended Operating Conditions

(Ta=0°C to 75°C, GND=0 V)

• Supply voltage

VDD 3.15 to 3.45 V

• Input Hi-level

VIH VDD–0.7 to VDD+0.5 V

• Input Lo-level

VIL 0.3 to VDD +0.2 V

Applications

• DVB-S Set Top Box (Satellite)

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.

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PE96417-TE

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