MAX1444EHJ+T

更新时间： 2024-11-23 13:10:23

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MAX1444EHJ+T 数据手册

19-1745; Rev 1; 11/03

10-Bit, 40Msps, 3.0V, Low-Power

ADC with Internal Reference

General Description

Features

The MAX1444 10-bit, 3V analog-to-digital converter

(ADC) features a pipelined 10-stage ADC architecture

with fully differential wideband track-and-hold (T/H)

input and digital error correction incorporating a fully

differential signal path. This ADC is optimized for low-

power, high dynamic performance applications in

imaging and digital communications. The MAX1444

operates from a single 2.7V to 3.6V supply, consuming

only 57mW while delivering a 59.5dB signal-to-noise

ratio (SNR) at a 20MHz input frequency. The fully differ-

ential input stage has a 400MHz -3dB bandwidth and

may be operated with single-ended inputs. In addition

to low operating power, the MAX1444 features a 5µA

power-down mode for idle periods.

ꢀ Single 3.0V Operation

ꢀ Excellent Dynamic Performance

59.5dB SNR at f = 20MHz

74dBc SFDR at f = 20MHz

ꢀ Low Power

19mA (Normal Operation)

5µA (Shutdown Mode)

ꢀ Fully Differential Analog Input

ꢀ Wide 2Vp-p Differential Input Voltage Range

ꢀ 400MHz -3dB Input Bandwidth

ꢀ On-Chip 2.048V Precision Bandgap Reference

ꢀ CMOS-Compatible Three-State Outputs

ꢀ 32-Pin TQFP Package

An internal 2.048V precision bandgap reference is

used to set the ADC full-scale range. A flexible refer-

ence structure allows the user to supply a buffered,

direct, or externally derived reference for applications

requiring increased accuracy or a different input volt-

age range.

ꢀ Evaluation Kit Available

Higher speed, pin-compatible versions of the MAX1444

are also available. Please refer to the MAX1446 data

sheet (60Msps) and the MAX1448 data sheet

(80Msps).

Ordering Information

PART

TEMP RANGE

PIN-PACKAGE

MAX1444EHJ

-40°C to +85°C

32 TQFP

The MAX1444 has parallel, offset binary, CMOS-com-

patible three-state outputs that can be operated from

1.7V to 3.6V to allow flexible interfacing. The device is

available in a 5x5mm 32-pin TQFP package and is

specified over the extended industrial (-40°C to +85°C)

temperature range.

Pin Configuration

TOP VIEW

32 31 30 29 28 27

________________________Applications

Ultrasound Imaging

REFN

COM

24 D4

OGND

CCD Imaging

22 T.P.

Baseband and IF Digitization

Digital Set-Top Boxes

GND

IN+

21 OV

20 D5

19 D6

18 D7

17 D8

MAX1444

Video Digitizing Applications

IN-

GND

10 11 12 13 14 15 16

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...20

中文翻译

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MAX1444EHJ+T 替代型号

型号	品牌	替代类型	描述	数据表
MAX1444EHJ+	MAXIM	完全替代	ADC, Proprietary Method, 10-Bit, 1 Func, 10 Channel, Parallel, Word Access, CMOS, PQFP32,
MAX1444EHJ	MAXIM	完全替代	10-Bit, 40Msps, 3.0V, Low-Power ADC with Internal Reference
MAX1444EHJ-T	MAXIM	类似代替	ADC, Proprietary Method, 10-Bit, 1 Func, 10 Channel, Parallel, Word Access, CMOS, PQFP32,

与MAX1444EHJ+T相关器件

型号	品牌	获取价格	描述	数据表
MAX1444EHJ-T	MAXIM	获取价格	ADC, Proprietary Method, 10-Bit, 1 Func, 10 Channel, Parallel, Word Access, CMOS, PQFP32,
MAX1446	MAXIM	获取价格	10-Bit, 60Msps, 3.0V, Low-Power ADC with Internal Reference
MAX1446	ADI	获取价格	10位、60Msps、3.0V、低功耗ADC，内置电压基准
MAX1446_08	MAXIM	获取价格	10-Bit, 60Msps, 3.0V, Low-Power ADC with Internal Reference
MAX1446-07	MAXIM	获取价格	10-Bit, 60Msps, 3.0V, Low-Power ADC with Internal Reference
MAX1446EHJ	MAXIM	获取价格	10-Bit, 60Msps, 3.0V, Low-Power ADC with Internal Reference
MAX1446EHJ+	MAXIM	获取价格	10-Bit, 60Msps, 3.0V, Low-Power ADC with Internal Reference
MAX1446EHJ+T	MAXIM	获取价格	ADC, Flash Method, 10-Bit, 1 Func, 1 Channel, Parallel, Word Access, CMOS, PQFP32, 5 X 5 M
MAX1446EHJ-T	MAXIM	获取价格	ADC, Flash Method, 10-Bit, 1 Func, 1 Channel, Parallel, Word Access, CMOS, PQFP32, 5 X 5 M
MAX1446GHJ+	MAXIM	获取价格	10-Bit, 60Msps, 3.0V, Low-Power ADC with Internal Reference

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