CXD1176Q 데이터 시트보기 (PDF) - Sony Semiconductor

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CXD1176Q

8-bit 20MSPS Video A/D Converter with Clamp Function

Sony Semiconductor 

CXD1176Q

8-bit 20MSPS Video A/D Converter with Clamp Function

Description

The CXD1176Q is an 8-bit CMOS A/D converter

for video use that features a sync clamp function. The

adoption of a 2 step-parallel method realizes low

power consumption and a maximum conversion

speed of 20MSPS.

32 pin QFP (Plastic)

Features

• Resolution power: 8-bit ± 1/2LSB (DL)

• Maximum sampling frequency: 20MSPS

• Low power consumption: 60mW (at 20MSPS typ.)

(Reference current excluded)

• Built-in sync type clamp function

• Built-in monostable multivibrator for clamp pulse

generation

• Built-in sync pulse polarity selection function

• Clamp pulse direct input possible

• Built-in clamp ON/OFF function

• Built-in reference voltage self-bias circuit

• Input CMOS compatible

• 3-state TTL compatible output

• Single 5 V power supply

• Low input capacity: 11 pF

• Reference impedance: 330 Ω (typ.)

Applications

TV and VCR digital systems and a wide range of

applications where high-speed A/D conversion is

required.

Structure

Silicon gate CMOS IC

Absolute Maximum Ratings (Ta=25 °C)

• Supply voltage VDD

7

V

• Reference voltage

VRT, VRB VDD + 0.5 to VSS – 0.5 V

• Input voltage VIN

VDD + 0.5 to VSS – 0.5 V

(Analog)

• Input voltage VI

VDD + 0.5 to VSS – 0.5 V

(Digital)

• Output voltage VO

VDD + 0.5 to VSS – 0.5 V

(Digital)

• Storage temperature

Tstg

–55 to +150 °C

Recommended Operating Conditions

• Supply voltage AVDD, AVSS 4.75 to 5.25

V

DVDD, DVSS

| DVSS – AVSS | 0 to 100

mV

• Reference input voltage

VRB

0 to

V

VRT

to 2.7

V

• Analog input VIN

1.8Vp-p above

• Clock pulse width

Tpw1, Tpw0 22.5 ns (min) to 1.1 µs (max)

• Operating ambient temperature

Topr

–40 to +85

°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.

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E90167J04-TE

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