Description

The HI1179 is an 8-bit CMOS analog-to-digital 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 35 MSPS, allowing up to 8x over sampling of NTSC and PAL signals.

Features

• Resolution 8-Bit . . . . . . . . . . . . . . . . . . ±0.5 LSB (DNL)

• ENOB at fIN = 1MHz . . . . . . . . . . . . . . . . . . . . . . 7.6 Bits

• Maximum Sampling Frequency . . . . . . . . . . . 35 MSPS

• Low Power Consumption 80mW (at 35 MSPS Typ) (Reference Current Excluded)

• Built-In Input Clamp Function (DC Restore)

• No Sample/Hold Required

• Internal Voltage Reference

• Input CMOS Compatible

• Three-State TTL Compatible Output

• Single Power Supply . . . . . . . . . . . . . . . . . . . . . . . . .+5V

• Low Input Capacitance (Typ) . . . . . . . . . . . . . . . . . 8pF

• Reference Impedance (Typ) . . . . . . . . . . . . . . . . . 330Ω

• Direct Replacement for Sony CXD1179

Applications

• Desktop Video

• Multimedia

• Video Digitizing

• Image Scanners

• Low Cost High Speed Data Acquisition Systems