MAX1425EAI

更新时间： 2024-11-10 22:57:59

品牌	Logo	应用领域
美信 - MAXIM		转换器模数转换器
页数	文件大小	规格书
16页	212K
描述
10-Bit, 20Msps ADC

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数据手册

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MAX1425EAI 数据手册

19-1597; Rev 0; 1/00

10-Bit, 20Msps ADC

General Description

Features

The MAX1425 10-bit, monolithic analog-to-digital con-

verter (ADC) is capable of a 20Msps sampling rate. This

device features an internal track-and-hold (T/H) amplifier

for excellent dynamic performance; at the same time, it

minimizes the number of external components. Low

input capacitance of only 8pF minimizes input drive

requirements. A wide input bandwidth (up to 150MHz)

makes this device suitable for digital RF/IF downconvert-

er applications employing undersampling techniques.

ꢀ Differential Inputs for High Common-Mode

Noise Rejection

ꢀ Signal-to-Noise Ratio

61dB (at f = 2MHz)

59.3dB (at f = 10MHz)

ꢀ Internal +2.5V Reference

ꢀ 150MHz Input Bandwidth

ꢀ Wide 2V Input Range

The MAX1425 employs a differential pipelined architec-

ture with a wideband T/H amplifier to maximize through-

put while limiting power consumption to only 172mW.

The MAX1425 generates an internal +2.5V reference

that supplies three additional reference voltages

(+3.25V, +2.25V, and +1.25V). These reference volt-

ages provide a differential input range of +2V to -2V.

The analog inputs are biased internally to correct the

DC level, eliminating the need for external biasing on

AC-coupled applications.

ꢀ Low Power Consumption: 172mW

ꢀ Separate Digital Supply Input for 3V Logic

Compatibility

ꢀ Single +5V Supply Operation Possible

Ordering Information

A separate +3V digital logic supply input allows for

separation of digital and analog circuitry. The output

data is in two’s complement format. The MAX1425 is

available in the space-saving 28-pin SSOP package.

For a pin-compatible version at a lower data rate, refer

to the MAX1426 data sheet. For a higher data rate, refer

to the MAX1424 data sheet.

PART

TEMP. RANGE

0°C to +70°C

PIN-PACKAGE

28 SSOP

MAX1425CAI

MAX1425EAI

-40°C to +85°C

28 SSOP

Applications

Pin Configuration

Medical Ultrasound Imaging

CCD Pixel Processing

IR Focal Plane Array

Radar

IF and Baseband Digitization

Set-Top Boxes

TOP VIEW

AGND

28 D0

27 D1

26 D2

25 D3

24 D4

REFP

REFIN

REFN

CML

MAX1425

Functional Diagram

23 DGND

22 DV

AGND

CLK

21 DGND

MAX1425

INTERFACE

AGND

INP

20 DV

19 D5

18 D6

17 D7

16 D8

15 D9

INN 10

CMLP 11

CMLN 12

CLK 13

INP

INN

OUTPUT

DRIVERS

D9–D0

T/H

PIPELINE ADC

REF SYSTEM +

BIAS

REF

DGND

OE/PD 14

SSOP

REFIN REFP CML REFN

OE/PD

________________________________________________________________ Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

12 3 4 5 6 7...16

中文翻译

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与MAX1425EAI相关器件

型号	品牌	获取价格	描述	数据表
MAX1425EAI+T	MAXIM	获取价格	ADC, Flash Method, 10-Bit, 1 Func, 1 Channel, Parallel, Word Access, PDSO28, ROHS COMPLIAN
MAX1426	MAXIM	获取价格	10-Bit, 10Msps ADC
MAX1426	ADI	获取价格	10位、10Msps ADC
MAX1426_11	MAXIM	获取价格	10-Bit, 10Msps ADC
MAX1426CAI	MAXIM	获取价格	10-Bit, 10Msps ADC
MAX1426CAI+	MAXIM	获取价格	10-Bit, 10Msps ADC
MAX1426CAI+T	MAXIM	获取价格	ADC, Flash Method, 10-Bit, 1 Func, 1 Channel, Parallel, Word Access, PDSO28, ROHS COMPLIAN
MAX1426EAI	MAXIM	获取价格	10-Bit, 10Msps ADC
MAX1426EAI+	MAXIM	获取价格	10-Bit, 10Msps ADC
MAX1426EAI+T	MAXIM	获取价格	ADC, Flash Method, 10-Bit, 1 Func, 1 Channel, Parallel, Word Access, PDSO28, ROHS COMPLIAN

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