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www.fairchildsemi.com

SPT5240

10-bit, 400 MWPS Current Output

Digital-to-Analog Converter

Features

鈥?400 MWPS update rate

鈥?Complementary current outputs

鈥?+3.3 V power supply

鈥?Low power dissipation:

149mW (typ) @茠

CLK

= 400MHz and 12mA output

鈥?Excellent AC performance:

SFDR = 58dBc for 茠

CLK

= 400MHz and 茠

OUT

= 1.27 MHz

鈥?Internal reference

Description

The SPT5240 is a 10-bit digital-to-analog converter that

performs at an update rate of 400M words per second. The

architecture achieves excellent high-frequency performance

with very low power dissipation. This makes it ideal for all

types of battery-operated equipment requiring high-speed

digital-to-analog conversion.

The SPT5240 operates over an extended industrial

temperature range from -40擄C to +85擄C and is available in a

32-lead LQFP package.

Applications

鈥?Battery-operated devices

鈥?Portable RF devices

鈥?Set top boxes

鈥?Video displays

鈥?Broadband RF

鈥?High-speed test equipment

Functional Block Diagram

PWD

DV

DD

AV

DD

I

SET

Reference

Circuit

D0 鈥?D9

10 Bits

10-bit

Current Output

DAC

IO

P

IO

N

CLK

DGND

AGND

REV. 1 June 2003

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