ADC12D040

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SNAS171E – JUNE 2002 – REVISED MARCH 2013

ADC12D040 Dual 12-Bit, 40 MSPS, 600 mW A/D Converter with Internal/External Reference

Check for Samples: ADC12D040

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FEATURES

DESCRIPTION

The ADC12D040 is a dual, low power monolithic

2

•

Binary or 2’s Complement Output Format

CMOS

analog-to-digital

converter

capable

of

•

Single Supply Operation

converting analog input signals into 12-bit digital

•

Internal Sample-and-Hold

words at 40 Megasamples per second (Msps),

minimum. This converter uses a differential, pipeline

•

Outputs 2.4V to 5V Compatible

architecture with digital error correction and an on-

•

Power Down Mode

chip sample-and-hold circuit to minimize die size and

•

Pin-Compatible with ADC12DL066

power consumption while providing excellent dynamic

performance. Operating on a single 5V power supply,

•

Internal/External Reference

the ADC12D040 achieves 10.9 effective bits at 10

MHz input and consumes just 600 mW at 40 Msps,

APPLICATIONS

including the reference current. The Power Down

•

Ultrasound and Imaging

feature reduces power consumption to 75 mW.

•

Instrumentation

The differential inputs provide a full scale differential

•

Communications Receivers

input swing equal to 2VREF with the possibility of a

single-ended input. Full use of the differential input is

•

Sonar/Radar

recommended for optimum performance. The digital

•

xDSL

outputs for the two ADCs are available on separate

•

Cable Modems

12-bit buses with an output data format choice of

offset binary or 2’s complement.

KEY SPECIFICATIONS

For ease of interface, the digital output driver power

•

SNR (fIN = 10 MHz): 68 dB (typ)

pins of the ADC12D040 can be connected to a

separate supply voltage in the range of 2.4V to the

•

ENOB (fIN = 10 MHz): 10.9 bits (typ)

digital supply voltage, making the outputs compatible

•

SFDR (fIN = 10 MHz): 80 dB (typ)

with low voltage systems. The ADC12D040’s speed,

•

Data Latency: 6 Clock Cycles

resolution and single supply operation make it well

suited for a variety of applications.

•

Supply Voltage: +5V ±5%

•

Power Consumption, Operating

This device is available in the 64-lead TQFP package

and will operate over the industrial temperature range

–

(Operating): 600 mW (typ)

of

−40°C to +85°C. An evaluation board is available

–

(Power Down Mode): 75 mW (typ)

to facilitate the product evaluation process

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2

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PRODUCTION DATA information is current as of publication date.

Copyright © 2002–2013, 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.