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CLC5957

National Semiconductor
Part Number CLC5957
Manufacturer National Semiconductor
Description 12-bit/ 70MSPS Broadband Monolithic A/D Converter
Published Mar 23, 2005
Detailed Description October 1999 CLC5957 12-bit, 70MSPS Broadband Monolithic A/D Converter N CLC5957 12-bit, 70MSPS Broadband Monolithic A...
Datasheet PDF File CLC5957 PDF File

CLC5957
CLC5957

Overview
October 1999 CLC5957 12-bit, 70MSPS Broadband Monolithic A/D Converter N CLC5957 12-bit, 70MSPS Broadband Monolithic A/D Converter General Description The CLC5957 is a monolithic 12-bit, 70MSPS analog-to-digital converter.
The device has been optimized for use in IF-sampled digital receivers and other applications where high resolution, high sampling rate, wide dynamic range, low power dissipation, and compact size are required.
The CLC5957 features differential analog inputs, low jitter differential universal clock inputs, a low distortion track-and-hold with 0-300MHz input bandwidth, a bandgap voltage reference, data valid clock output, TTL compatible CMOS (3.
3V or 2.
5V) programmable output logic, and a proprietary 12-bit multi-stage quantizer.
The CLC5957 is fabricated on the ABIC-V 0.
8 micron BiCMOS process.
The CLC5957 features a 74dBc spurious free dynamic range (SFDR) and a 67dB signal to noise ratio (SNR).
The wideband track-and-hold allows sampling of IF signals to greater than 250MHz.
The part produces two-tone, dithered, SFDR of 83dBFS at 75MHz input frequency.
The differential analog input provides excellent common mode rejection, while the differential universal clock inputs minimize jitter.
The 48-pin TSSOP package provides an extremely small footprint for applications where space is a critical consideration.
The CLC5957 operates from a single +5V power supply.
Operation over the industrial temperature range of -40°C to +85°C is guaranteed.
National Semiconductor tests each part to verify compliance with the guaranteed specifications.
Features • 70MSPS • Wide dynamic range SFDR: 74dBc SFDR w/dither: 85dBFS SNR: 67dB • IF sampling capability • Input bandwidth = 0-300MHz • Low power dissipation: 640mW • Very small package: 48-pin TSSOP • Single +5V supply • Data valid clock output • Programmable output levels: 3.
3V or 2.
5V Applications • • • • • • • • Cellular base-stations Digital communications Infrared/CCD imaging IF sampling Electro-optics Instrum...


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