Datasheet > ADC12D040_05

ADC12D040_05

更新时间： 2024-09-26 04:10:27

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
22页	991K
描述
Dual 12-Bit, 40 MSPS, 600 mW A/D Converter with Internal/External Reference

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ADC12D040_05 数据手册

December 2005

ADC12D040

Dual 12-Bit, 40 MSPS, 600 mW A/D Converter with

Internal/External Reference

General Description

Features

n Binary or 2’s complement output format

n Single supply operation

The ADC12D040 is a dual, low power monolithic CMOS

analog-to-digital converter capable of converting analog in-

put signals into 12-bit digital words at 40 Megasamples per

second (Msps), minimum. 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 perfor-

n Internal sample-and-hold

n Outputs 2.4V to 5V compatible

n Power down mode

n Pin-compatible with ADC12DL066

n Internal/External Reference

mance. Operating on

a single 5V power supply, the

ADC12D040 achieves 10.9 effective bits at 10 MHz input

and consumes just 600 mW at 40 Msps, including the refer-

ence current. The Power Down feature reduces power con-

sumption to 75 mW.

Key Specifications

n SNR (f_IN= 10 MHz)

n ENOB (f_IN= 10 MHz)

n SFDR (f_IN= 10 MHz)

n Data Latency

68 dB (typ)

10.9 bits (typ)

80 dB (typ)

6 Clock Cycles

+5V 5%

The differential inputs provide a full scale differential input

swing equal to 2V_REFwith the possibility of a single-ended

input. Full use of the differential input is recommended for

optimum performance. The digital outputs for the two ADCs

are available on separate 12-bit buses with an output data

format choice of offset binary or 2’s complement.

n Supply Voltage

n Power Consumption, Operating

— Operating

600 mW (typ)

75 mW (typ)

— Power Down Mode

For ease of interface, the digital output driver power pins of

the ADC12D040 can be connected to a separate supply

voltage in the range of 2.4V to the digital supply voltage,

making the outputs compatible with low voltage systems.

The ADC12D040’s speed, resolution and single supply op-

eration make it well suited for a variety of applications.

Applications

n Ultrasound and Imaging

n Instrumentation

n Communications Receivers

n Sonar/Radar

This device is available in the 64-lead TQFP package and

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

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

uct evaluation process

n xDSL

n Cable Modems

Connection Diagram

20046001

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

DS200460

www.national.com

12 3 4 5 6 7...22

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与ADC12D040_05相关器件

型号	品牌	获取价格	描述	数据表
ADC12D040CIVS	NSC	获取价格	Dual 12-Bit, 40 MSPS, 600 mW A/D Converter with Internal/External Reference and Sample-and
ADC12D040CIVS/NOPB	NSC	获取价格	IC DUAL 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP64, TQFP-64, Analog to Di
ADC12D040CIVS/NOPB	TI	获取价格	双通道、12 位、40MSPS 模数转换器 (ADC) \| PAG \| 64 \| -40
ADC12D040CIVSX	NSC	获取价格	Dual 12-Bit, 40 MSPS, 600 mW A/D Converter with Internal/External Reference and Sample-and
ADC12D040CIVSX/NOPB	NSC	获取价格	IC DUAL 1-CH 12-BIT PROPRIETARY METHOD ADC, PARALLEL ACCESS, PQFP64, TQFP-64, Analog to Di
ADC12D040EVAL	NSC	获取价格	Dual 12-Bit, 40 MSPS, 600 mW A/D Converter with Internal/External Reference and Sample-and
ADC12D1000	TI	获取价格	ADC12D1000/ADC12D1600 12-Bit, 2.0/3.2 GSPS Ultra High-Speed ADC
ADC12D1000	NSC	获取价格	12-Bit, 2.0/3.2 GSPS Ultra High-Speed ADC
ADC12D1000/1600CIUT	NSC	获取价格	12-Bit, 2.0/3.2 GSPS Ultra High-Speed ADC
ADC12D1000/1600RB	NSC	获取价格	12-Bit, 2.0/3.2 GSPS Ultra High-Speed ADC

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