Datasheet > SPT1175

SPT1175

更新时间： 2024-11-27 06:13:31

品牌	Logo	应用领域
CADEKA		转换器
页数	文件大小	规格书
8页	163K
描述
8-BIT, 20 MSPS CMOS A/D CONVERTER

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中文翻译

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SPT1175 数据手册

SPT1175

8-BIT, 20 MSPS CMOS A/D CONVERTER

FEATURES

APPLICATIONS

• 20 MSPS Maximum Conversion Rate

• Internal Sample-and-Hold Function

• 90 mW Power Dissipation

• Internal Voltage Reference

• Single +5.0 V Power Supply

• Three-State TTL-Outputs

• Video Digitizing

• Image Scanners

• Personal Computer Video

• Medical Ultrasound

• Multimedia

• Digital Television

• CMOS Compatible Clock

GENERAL DESCRIPTION

The SPT1175 is a CMOS two-step A/D converter capable of

digitizingfullscaleanaloginputsignalsinto8-bitdigitalwords

at a sample rate of 20 MSPS.

The SPT1175 operates from a single +5.0 V power supply

and has an internal voltage reference which eliminates the

need for external reference circuitry. All digital inputs are

CMOS compatible and the tri-state outputs are TTL-compat-

ible. The SPT1175 is ideal for most video and image pro-

cessing applications that require low power dissipation and

low cost. The SPT1175 is available in 24-lead plastic SOIC,

plastic DIP, and PLCC packages over the commercial tem-

perature range (0 to +70 °C). It is also available in die form.

For most applications, no external sample-and-hold or

video driving amplifiers are required due to the device's

narrow aperture time, wide bandwidth, and low input ca-

pacitance.

BLOCK DIAGRAM

DGND

RBS

Coarse

Sampling

Amplifier

Latch

Encoder

DØ (LSB)

Data

Latches

and

3-State

Output

Buffer

Error

Correction

Circuit

Reference Matrix

Fine

Sampling

Amplifier

D7 (MSB)

Encoder

Analog

Mux

Latch

Fine

Sampling

Amplifier

Timing

Generator

CLK

AGND

RTS

12 3 4 5 6 7 8

中文翻译

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