ADC08D1000EVAL National Semiconductor, ADC08D1000EVAL Datasheet

ADC08D1000EVAL

Manufacturer Part Number

ADC08D1000EVAL

Description

High Performance/ Low Power/ Dual 8-Bit/ 1 GSPS A/D Converter

Manufacturer

National Semiconductor

Datasheet

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ADC08D1000

High Performance, Low Power, Dual 8-Bit, 1 GSPS A/D

Converter

General Description

NOTE: This product is currently in development. – ALL

specifications are design targets and are subject to

change.

The ADC08D1000 is a dual, low power, high performance

CMOS analog-to-digital converter that digitizes signals to 8

bits resolution at sampling rates up to 1.6 GSPS. Consuming

a typical 1.6 Watts at 1 GSPS from a single 1.9 Volt supply,

this device is guaranteed to have no missing codes over the

full operating temperature range. The unique folding and

interpolating architecture, the fully differential comparator

design, the innovative design of the internal sample-and-

hold amplifier and the self-calibration scheme enable a very

flat response of all dynamic parameters beyond Nyquist,

producing a high 7.5 ENOB with a 500 MHz input signal and

a 1 GHz sample rate while providing a 10

formatting is offset binary and the LVDS digital outputs are

compliant with IEEE 1596.3-1996, with the exception of a

reduced common mode voltage of 0.8V.

Each converter has a 1:2 demultiplexer that feeds two LVDS

buses and reduces the output data rate on each bus to half

the sampling rate. The two converters can be interleaved

and used as a single 2 GSPS ADC.

The converter typically consumes less than 20 mW in the

Power Down Mode and is available in a 128-lead, thermally

enhanced exposed pad LQFP and operates over the indus-

trial (-40˚C ≤ T

Block Diagram

≤ +85˚C) temperature range.

DS200974

-18

B.E.R. Output

Features

n Internal Sample-and-Hold

n Single +1.9V

n Choice of SDR or DDR output clocking

n Interleave Mode for 2x Sampling Rate

n Multiple ADC Synchronization Capability

n Guaranteed No Missing Codes

n Serial Interface for Extended Control

n Fine Adjustment of Input Full-Scale Range and Offset

Key Specifications

n Resolution

n Max Conversion Rate

n Bit Error Rate

n ENOB

n DNL

n Power Consumption

Applications

n Direct RF Down Conversion

n Digital Oscilloscopes

n Satellite Set-top boxes

n Communications Systems

n Test Instrumentation

— Operating

— Power Down Mode

500 MHz Input

ADVANCE INFORMATION

0.1V Operation

20097453

September 2004

0.25 LSB (typ)

1 GSPS (min)

www.national.com

7.5 Bits (typ)

20 mW (typ)

1.6 W (typ)

-18

8 Bits

(typ)

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