AT1175

Preliminary Product Information

8-Bit 20MSPS CMOS VIDEO A/D CONVERTER

2F, No.10, Prosperity RD. II, Science-Based Industrial Park, Hsinchu 300,Taiwan, R.O.C.

Tel: 886-3-563-0878

Fax: 886-3-563-0879

1

Features

˙

Resolution: 8-Bit

± 0.5 LSB(DNL)

˙

Maximum Conversion Rate: 20 MSPS

˙

Built-in Sample and Hold Function

˙

Built-in Reference Voltage Self Bias Circuit

˙

Single +5.0 V Power Supply

˙

Three-State TTL Compatible Output

˙

Direct Replacement for the Sony CXD1175

Applications

˙

Video Digitizing

˙

Personal Computer Video

˙

Multimedia

˙

Digital Television

General Description

The AT1175 is a CMOS two-step A/D converter

capable of digitizing full-scale analog input

signals into 8-bit digital words at sample rate of

20 MSPS.

For most application, no external sample-and-

hold or video driving amplifiers are needed

thanks to the device’s narrow aperture time,

wide bandwidth, and low input capacitance.

The AT1175 operates from a single +5.0V 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-

compatible. The AT1175 is ideal for most video

and image processing applications that require

low power dissipation and low cost.

Block Diagram

Aimtron reserves the right without notice to change this circuitry and specifications.