Datasheet > MAX1422CCM-D

MAX1422CCM-D

更新时间： 2024-01-12 18:02:00

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
17页	649K
描述
ADC, Proprietary Method, 12-Bit, 1 Func, 1 Channel, Parallel, Word Access, PQFP48, 7 X 7 MM, 1.40 MM HEIGHT, MS-026-BBC, TQFP-48

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MAX1422CCM-D 数据手册

19-1899; Rev 1; 5/04

12-Bit, 20Msps, 3.3V, Low-Power ADC with

Internal Reference

General Description

Features

The MAX1422 3.3V, 12-bit analog-to-digital converter

(ADC) features a fully differential input, pipelined, 12-

stage ADC architecture with wideband track-and-hold

(T/H) and digital error correction incorporating a fully-dif-

ferential signal path. The MAX1422 is optimized for low-

power, high dynamic performance applications in

imaging and digital communications. The converter

operates from a single 3.3V supply, consuming only

137mW while delivering a 67dB (typ) signal-to-noise

ratio (SNR) at a 5MHz input frequency and a 20Msps

sampling frequency. The fully-differential input stage

has a small signal -3dB bandwidth of 400MHz and may

be operated with single-ended inputs.

ꢀ Single 3.3V Power Supply

ꢀ 67dB SNR at f = 5MHz

ꢀ Internal 2.048V Precision Bandgap Reference

ꢀ Differential Wideband Input T/H Amplifier

ꢀ Power-Down Modes

130mW (Reference Shutdown Mode)

10µW (Shutdown Mode)

ꢀ Space-Saving 48-Pin TQFP Package

An internal 2.048V precision bandgap reference sets

the ADCs full-scale range. A flexible reference structure

accommodates an internally or externally applied

buffered or unbuffered reference for applications

requiring increased accuracy or a different input volt-

age range.

In addition to low operating power, the MAX1422 features

two power-down modes, a reference power-down, and a

shutdown mode. In reference power-down, the internal

bandgap reference is deactivated, resulting in a 2mA

(typ) supply current reduction. For idle periods, a full

shutdown mode is available to maximize power savings.

Ordering Information

PART

TEMP RANGE

0°C to +70°C

-40°C to +85°C

PIN-PACKAGE

48 TQFP

MAX1422CCM

MAX1422ECM

48 TQFP

Pin Configuration

The MAX1422 provides parallel, offset binary, CMOS-

compatible three-state outputs.

The MAX1422 is available in a 7mm 7mm 1.4mm,

48-pin TQFP package and is specified over the com-

mercial (0°C to +70°C) and extended industrial (-40°C

to +85°C) temperature ranges.

Pin-compatible higher-speed versions of the MAX1422

are also available. Please refer to the MAX1421 data

sheet for 40Msps and the MAX1420 data sheet for

60Msps.

AGND

36 D9

35 D8

34 D7

33 D6

AGND

INP

________________________Applications

32 DV

31 DV

Medical Ultrasound Imaging

CCD Pixel Processing

Data Acquisition

MAX1422

INN

30 DGND

29 DGND

AGND

Radar

AGND

IF and Baseband Digitization

Functional Diagram appears at end of data sheet.

TQFP

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

12 3 4 5 6 7...17

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与MAX1422CCM-D相关器件

型号	品牌	获取价格	描述	数据表
MAX1422CCM-T	MAXIM	获取价格	ADC, Proprietary Method, 12-Bit, 1 Func, 1 Channel, Parallel, Word Access, PQFP48, 7 X 7 M
MAX1422CCM-TD	MAXIM	获取价格	ADC, Proprietary Method, 12-Bit, 1 Func, 1 Channel, Parallel, Word Access, PQFP48, 7 X 7 M
MAX1422ECM	MAXIM	获取价格	12-Bit, 20Msps, 3.3V, Low-Power ADC with Internal Reference
MAX1422ECM+D	MAXIM	获取价格	ADC, Proprietary Method, 12-Bit, 1 Func, 1 Channel, Parallel, Word Access, PQFP48, 7 X 7 M
MAX1422ECM-D	MAXIM	获取价格	ADC, Proprietary Method, 12-Bit, 1 Func, 1 Channel, Parallel, Word Access, PQFP48, 7 X 7 M
MAX1422ECM-T	MAXIM	获取价格	ADC, Proprietary Method, 12-Bit, 1 Func, 1 Channel, Parallel, Word Access, PQFP48, 7 X 7 M
MAX1425	MAXIM	获取价格	10-Bit, 20Msps ADC
MAX1425_11	MAXIM	获取价格	10-Bit, 20Msps ADC Separate Digital Supply Input for 3V Logic Compatibility
MAX1425CAI	MAXIM	获取价格	10-Bit, 20Msps ADC
MAX1425EAI	MAXIM	获取价格	10-Bit, 20Msps ADC

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