MAX1421CCM

更新时间： 2024-11-10 22:36:23

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
17页	310K
描述
12-Bit, 40Msps, +3.3V, Low-Power ADC with Internal Reference

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MAX1421CCM 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Active	零件包装代码：	QFP
包装说明：	7 X 7 MM, 1.40 MM HEIGHT, MS-026BBC, TQFP-48	针数：	48
Reach Compliance Code：	not_compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.33
最大模拟输入电压：	1.0752 V	最小模拟输入电压：	-1.0752 V
转换器类型：	ADC, PROPRIETARY METHOD	JESD-30 代码：	S-PQFP-G48
长度：	7 mm	湿度敏感等级：	1
模拟输入通道数量：	1	位数：	12
功能数量：	1	端子数量：	48
最高工作温度：	70 °C	最低工作温度：
输出位码：	OFFSET BINARY	输出格式：	PARALLEL, WORD
封装主体材料：	PLASTIC/EPOXY	封装代码：	LFQFP
封装等效代码：	QFP48,.35SQ,20	封装形状：	SQUARE
封装形式：	FLATPACK, LOW PROFILE, FINE PITCH	峰值回流温度（摄氏度）：	225
电源：	3.3 V	认证状态：	Not Qualified
采样速率：	40 MHz	采样并保持/跟踪并保持：	TRACK
座面最大高度：	1.6 mm	子类别：	Analog to Digital Converters
标称供电电压：	3.3 V	表面贴装：	YES
技术：	CMOS	温度等级：	COMMERCIAL
端子形式：	GULL WING	端子节距：	0.5 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	7 mm	Base Number Matches：	1

MAX1421CCM 数据手册

19-1900; Rev 0; 5/01

12-Bit, 40Msps, +3.3V, Low-Power ADC

with Internal Reference

General Description

Features

The MAX1421 is a +3.3V, 12-bit analog-to-digital con-

verter (ADC), featuring a fully-differential input,

pipelined, 12-stage ADC architecture with wideband

track-and-hold (T/H) and digital error correction incor-

porating a fully-differential signal path. The MAX1421 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 188mW while delivering a typical sig-

nal-to-noise ratio (SNR) of 66dB at an input frequency

of 15MHz and a sampling frequency of 40Msps. The

fully-differential input stage has a small signal -3dB

bandwidth of 400MHz and may be operated with sin-

gle-ended inputs.

o Single +3.3V Power Supply

o 67dB SNR at f = 5MHz

o 66dB SNR at f = 15MHz

o Internal, +2.048V Precision Bandgap Reference

o Differential, Wideband Input T/H Amplifier

o Power-Down Modes

180mW (Reference Shutdown Mode)

10µW (Shutdown Mode)

o Space-Saving 48-Pin TQFP Package

An internal +2.048V precision bandgap reference sets

the full-scale range of the ADC. A flexible reference

structure accommodates an internal or externally

applied buffered or unbuffered reference for applica-

tions requiring increased accuracy or a different input

voltage range.

Ordering Information

PART

TEMP. RANGE

PIN-PACKAGE

MAX1421CCM

MAX1421ECM

0°C to +70°C

48 TQFP

In addition to low operating power, the MAX1421 fea-

tures 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 typical 2mA supply current reduction. For idle peri-

ods, a full shutdown mode is available to maximize

power savings.

-40°C to +85°C

48 TQFP

Pin Configuration

The MAX1421 provides parallel, offset binary, CMOS-

compatible three-state outputs.

The MAX1421 is available in a 7mm x 7mm, 48-pin

TQFP package, and is specified over the commercial

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

+85°C) temperature ranges.

AGND

36 D9

35 D8

34 D7

33 D6

Pin-compatible higher- and lower-speed versions of the

MAX1421 are also available. Please refer to the

MAX1420 data sheet for a frequency of 60Msps and

the MAX1422 data sheet for a frequency of 20Msps.

AGND

INP

32 DV

31 DV

MAX1421

________________________Applications

INN

30 DGND

29 DGND

AGND

Medical Ultrasound Imaging

CCD Pixel Processing

Data Acquisition

AGND

Radar

IF and Baseband Digitization

48-TQFP

Functional Diagram appears at end of data sheet.

________________________________________________________________ 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MAX1421CCM相关器件

型号	品牌	获取价格	描述	数据表
MAX1421CCM+TD	MAXIM	获取价格	ADC, Proprietary Method, 12-Bit, 1 Func, 1 Channel, Parallel, Word Access, PQFP48, 7 X 7 M
MAX1421CCM-D	MAXIM	获取价格	ADC, Proprietary Method, 12-Bit, 1 Func, 1 Channel, Parallel, Word Access, PQFP48, 7 X 7 M
MAX1421CCM-T	MAXIM	获取价格	ADC, Proprietary Method, 12-Bit, 1 Func, 1 Channel, Parallel, Word Access, PQFP48, 7 X 7 M
MAX1421CCM-TD	MAXIM	获取价格	ADC, Proprietary Method, 12-Bit, 1 Func, 1 Channel, Parallel, Word Access, PQFP48, 7 X 7 M
MAX1421ECM	MAXIM	获取价格	12-Bit, 40Msps, +3.3V, Low-Power ADC with Internal Reference
MAX1421ECM+	MAXIM	获取价格	12-Bit, 40Msps, 3.3V, Low-Power ADC with Internal Reference
MAX1421ECM+TD	MAXIM	获取价格	ADC, Proprietary Method, 12-Bit, 1 Func, 1 Channel, Parallel, Word Access, PQFP48, 7 X 7 M
MAX1421ECM-TD	MAXIM	获取价格	ADC, Proprietary Method, 12-Bit, 1 Func, 1 Channel, Parallel, Word Access, PQFP48, 7 X 7 M
MAX1422	MAXIM	获取价格	12-Bit, 20Msps, 3.3V, Low-Power ADC with Internal Reference
MAX1422	ADI	获取价格	12位、20Msps、+3.3V、低功耗ADC，内置电压基准

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