ADC12L066EVAL

更新时间： 2024-11-05 22:20:27

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
27页	750K
描述
12-Bit, 66 MSPS, 450 MHz Bandwidth A/D Converter with Internal Sample-and-Hold

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ADC12L066EVAL 数据手册

December 2003

ADC12L066

12-Bit, 66 MSPS, 450 MHz Bandwidth A/D Converter with

Internal Sample-and-Hold

General Description

Features

n Single supply operation

n Low power consumption

n Power down mode

n On-chip reference buffer

The ADC12L066 is a monolithic CMOS analog-to-digital con-

verter capable of converting analog input signals into 12-bit

digital words at 66 Megasamples per second (MSPS), mini-

mum, with typical operation possible up to 80 MSPS. This

converter uses a differential, pipeline architecture with digital

error correction and an on-chip sample-and-hold circuit to

minimize die size and power consumption while providing

excellent dynamic performance. A unique sample-and-hold

stage yields a full-power bandwidth of 450 MHz. Operating

on a single 3.3V power supply, this device consumes just

357 mW at 66 MSPS, including the reference current. The

Power Down feature reduces power consumption to just

50 mW.

Key Specifications

n Resolution

n Conversion Rate

n Full Power Bandwidth

n DNL

n SNR (f_IN= 10 MHz)

n SFDR (f_IN= 10 MHz)

n Data Latency

12 Bits

66 MSPS

450 MHz

0.4 LSB (typ)

66 dB (typ)

80 dB (typ)

The differential inputs provide a full scale input swing equal

to V_REFwith the possibility of a single-ended input. Full use

of the differential input is recommended for optimum perfor-

mance. For ease of use, the buffered, high impedance,

single-ended reference input is converted on-chip to a differ-

ential reference for use by the processing circuitry. Output

data format is 12-bit offset binary.

6 Clock Cycles

+3.3V 300 mV

357 mW (typ)

n Supply Voltage

n Power Consumption, 66 MHz

Applications

n Ultrasound and Imaging

n Instrumentation

n Cellular Base Stations/Communications Receivers

n Sonar/Radar

This device is available in the 32-lead LQFP package and

will operate over the industrial temperature range of −40˚C to

+85˚C. An evaluation board is available to facilitate the

evaluation process.

n xDSL

n Wireless Local Loops

n Data Acquisition Systems

n DSP Front Ends

Connection Diagram

20032801

TRI-STATE^®is a registered trademark of National Semiconductor Corporation.

DS200328

www.national.com

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