Datasheet > CLC5956

CLC5956

更新时间： 2024-11-08 22:50:31

品牌	Logo	应用领域
美国国家半导体 - NSC		转换器
页数	文件大小	规格书
10页	395K
描述
12-bit, 65 MSPS Broadband Monolithic A/D Converter

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CLC5956 数据手册

June 1999

CLC5956

12-bit, 65 MSPS Broadband Monolithic A/D Converter

General Description

Features

n Wide dynamic range

n IF sampling capability

n 300 MHz input bandwidth

n Small 48-pin TSSOP

n Single +5V supply

n Low cost

The CLC5956 is

monolithic 12-bit, 65 MSPS

analog-to-digital converter subsystem. The device has been

optimized for use in cellular base stations and other applica-

tions where high resolution, high sampling rate, wide dy-

namic range, low power dissipation, and compact size are

required. The CLC5956 features differential analog inputs,

low jitter differential PECL clock inputs, a low distortion

track-and-hold with DC to 300 MHz input bandwidth, a band-

gap voltage reference, TTL compatible CMOS output logic,

and a proprietary 12-bit multi-stage quantizer. The CLC5956

is fabricated on the ABIC-IV 0.8 micron BiCMOS process.

The part features a 73 dB spurious free dynamic range

(SFDR) and 67 dB SNR. The wideband track-and-hold al-

lows sampling of IF signals to greater than 250 MHz. The

part produces two-tone, dithered, spurious-free dynamic

range of 83 dBFS at 75 MHz input frequency. The differential

analog input provides excellent common-mode rejection,

while the differential PECL clock inputs permit the use of bal-

anced transmission to minimize jitter in distributed systems.

The 48-pin TSSOP package provides an extremely small

footprint for applications where space is a critical consider-

ation. The CLC5956 operates from a single +5V power sup-

ply over the industrial temperature range of −40˚C to +85˚C.

National thoroughly tests each part to verify full compliance

with the guaranteed specifications.

Key Specifications

n Sample Rate

n SFDR

n SFDR with dither

n SNR

n Low power consumption

65 MSPS

73 dBc

85 dBFS

67 dB

615 mW

Applications

n Cellular base-stations

n Digital communications

n Infrared/CCD imaging

n IF sampling

n Electro-optics

n Instrumentation

n Medical imaging

n High definition video

Block Diagram

DS015011-2

DS015011

www.national.com

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