ADC10321

www.ti.com

SNAS028F – JUNE 2000 – REVISED MAY 2013

ADC10321 10-Bit, 20MSPS, 98mW A/D Converter with Internal Sample and Hold

Check for Samples: ADC10321

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FEATURES

DESCRIPTION

The ADC10321 is a low power, high performance

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•

Internal Sample-and-Hold

CMOS

analog-to-digital

converter

that

digitizes

•

Single +5V Operation

signals to 10 bits resolution at sampling rates up to

•

Low Power Standby Mode

25Msps while consuming a typical 98mW from a

single 5V supply. Reference force and sense pins

•

Ensured No Missing Codes

allow the user to connect an external reference buffer

•

TTL/CMOS or 3V Logic Input/Output

amplifier to ensure optimal accuracy. No missing

Compatible

codes is ensured over the full operating temperature

range. The unique two stage architecture achieves

APPLICATIONS

9.2 Effective Bits with a 10MHz input signal and a

20MHz clock frequency. Output formatting is straight

•

Digital Video

binary coding.

•

Communications

To ease interfacing to 3V systems, the digital I/O

•

Document Scanners

power pins of the ADC10321 can be tied to a 3V

•

Medical Imaging

power source, making the outputs 3V compatible.

•

Electro-Optics

When not converting, power consumption can be

reduced by pulling the PD (Power Down) pin high,

•

Plain Paper Copiers

placing the converter into a low power standby state,

•

CCD Imaging

where it typically consumes less than 4mW. The

ADC10321's speed, resolution and single supply

KEY SPECIFICATIONS

operation makes it well suited for a variety of

applications

in

video,

imaging,

communications,

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Resolution 10 Bits

multimedia and high speed data acquisition. Low

•

Conversion Rate 20 Msps

power, single supply operation ideally suit the

•

ENOB@ 10MHz Input 9.2 Bits (typ)

ADC10321 for high speed portable applications, and

its speed and resolution are ideal for charge coupled

•

DNL 0.35 LSB (typ)

device (CCD) input systems.

•

Conversion Latency 2 Clock Cycles

The ADC10321 comes in a space saving 32-pin

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PSRR 56 dB

TQFP and operates over the industrial (

•

Power Consumption 98 mW (typ)

+85°C) temperature range.

•

Low Power Standby Mode <4 mW (typ)

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PRODUCTION DATA information is current as of publication date.

Copyright © 2000–2013, Texas Instruments Incorporated

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.