ADC12662CIVF

更新时间： 2024-11-04 22:28:35

品牌	Logo	应用领域
美国国家半导体 - NSC		转换器复用器
页数	文件大小	规格书
23页	496K
描述
12-Bit, 1.5 MHz, 200 mW A/D Converter with Input Multiplexer and Sample/Hold

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ADC12662CIVF 数据手册

June 2001

ADC12662

12-Bit, 1.5 MHz, 200 mW A/D Converter

with Input Multiplexer and Sample/Hold

General Description

Using an innovative multistep conversion technique, the

12-bit ADC12662 CMOS analog-to-digital converter digitizes

signals at a 1.5 MHz sampling rate while consuming a maxi-

Features

n Built-in sample-and-hold

n Single +5V supply

n Single channel or 2 channel multiplexer operation

n Low Power Standby mode

mum of only 200 mW on

a single +5V supply. The

ADC12662 performs 12-bit conversion in three

lower-resolution “flash” conversions, yielding a fast A/D with-

out the cost and power dissipation associated with true flash

approaches.

Key Specifications

n Sampling rate

1.5 MHz (min)

n Conversion time

580 ns (typ)

67.5 dB (min)

200 mW (max)

Guaranteed

The analog input voltage to the ADC12662 is tracked and

held by an internal sampling circuit, allowing high frequency

input signals to be accurately digitized without the need for

an external sample-and-hold circuit. The ADC12662 features

two sample-and-hold/flash comparator sections which allow

the converter to acquire one sample while converting the

previous. This pipelining technique increases conversion

speed without sacrificing performance. The multiplexer out-

put is available to the user in order to perform additional

external signal processing before the signal is digitized.

n Signal-to-Noise Ratio, f_IN= 100 kHz

n Power consumption (f_s= 1.5 MHz)

n No missing codes over temperature

Applications

n Digital signal processor front ends

n Instrumentation

n Disk drives

n Mobile telecommunications

n Waveform digitizers

When the converter is not digitizing signals, it can be placed

in the Standby mode; typical power consumption in this

mode is 250 µW.

ADC12662 Block Diagram

01187601

Ordering Information

Industrial (−40˚C ≤ T_A≤ +85˚)

Package

ADC12662CIV

V44 Plastic Leaded Chip Carrier

VGZ44A Plastic Quad Flat Package

ADC12662CIVF

DS011876

www.national.com

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与ADC12662CIVF相关器件

型号	品牌	获取价格	描述	数据表
ADC12662CIVF/NOPB	NSC	获取价格	IC,DATA ACQ SYSTEM,2-CHANNEL,12-BIT,QFP,44PIN,PLASTIC
ADC12662CIVFX	TI	获取价格	2-CH 12-BIT FLASH METHOD ADC, PARALLEL ACCESS, PQFP44, PLASTIC, QFP-44
ADC12662CIVX	TI	获取价格	2-CH 12-BIT FLASH METHOD ADC, PARALLEL ACCESS, PQCC44, PLASTIC, LCC-44
ADC127	MPSIND	获取价格	1W, Miniature SIP, Single & Dual Output DC/DC Converters
ADC-12-7550	MINI	获取价格	Directional Coupler 50/75Ω 5 to 1000 MHz
ADC-12-7550+	MINI	获取价格	Directional Coupler 50/75Ω 5 to 1000 MHz
ADC1275X	ETC	获取价格	ADC1275X 12-BIT 500KSPS ADC ADC1275X\|Data Sheet
ADC1275X_PC	ETC	获取价格	ADC1275X_PC 8-Channel 10-BIT 500KSPS ADC\|Data Sheet
ADC12762	NSC	获取价格	12-Bit, 1.4 MHz, 300 mW A/D Converter with Input Multiplexer and Sample/Hold
ADC12762CCV	NSC	获取价格	12-Bit, 1.4 MHz, 300 mW A/D Converter with Input Multiplexer and Sample/Hold

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