Datasheet > MAX1449

MAX1449

更新时间： 2024-10-03 14:58:15

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亚德诺 - ADI		/
页数	文件大小	规格书
21页	358K
描述
10位、105Msps、单路+3.3V、低功耗ADC，内置电压基准

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数据手册

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MAX1449 数据手册

19-4802; Rev 2; 9/04

10-Bit, 105Msps, Single 3.3V, Low-Power

ADC with Internal Reference

General Description

Features

The MAX1449 3.3V, 10-bit analog-to-digital converter

(ADC) features a fully differential input, a pipelined 10-

stage ADC architecture with wideband track-and-hold

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

ferential signal path. The ADC is optimized for low-

power, high-dynamic performance in imaging and digital

communications applications. The converter operates

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

186mW while delivering a 58.5dB (typ) signal-to-noise

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

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

may be operated with single-ended inputs. In addition to

low operating power, the MAX1449 features a 5µA

power-down mode for idle periods.

♦ Single 3.3V Operation

♦ Excellent Dynamic Performance

58.5dB SNR at f = 20MHz

72dBc SFDR at f = 20MHz

♦ Low Power

62mA (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’s full-scale range. A flexible refer-

ence structure allow’s 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 (MAX1448 EV Kit)

Ordering Information

Lower speed, pin-compatible versions of the MAX1449

are also available. Refer to the MAX1444 data sheet for

a 40Msps version, the MAX1446 data sheet for a

60Msps version, and the MAX1448 data sheet for 80Msps.

PART

TEMP RANGE

PIN-PACKAGE

MAX1449EHJ

-40°C to +85°C

32 TQFP

The MAX1449 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 5mm x 5mm 32-pin TQFP package and is

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

temperature range.

Pin-Compatible, Lower Speed

Selection Table

PART

SAMPLING SPEED (Msps)

MAX1444

MAX1446

MAX1448

________________________Applications

Ultrasound Imaging

Functional Diagram

CCD Imaging

Baseband and IF Digitization

Digital Set-Top Boxes

CLK

MAX1449

CONTROL

GND

Video Digitizing Applications

IN+

IN-

OUTPUT

DRIVERS

D9–D0

T/H

PIPELINE ADC

REF SYSTEM +

BIAS

REF

OGND

Pin Configuration appears at end of data sheet.

REFOUT REFIN REFP COM REFN

________________________________________________________________ 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.

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与MAX1449相关器件

型号	品牌	获取价格	描述	数据表
MAX1449EHJ	MAXIM	获取价格	Analog-to-Digital Converter， 10-Bit
MAX1449EHJ+	MAXIM	获取价格	ADC, Proprietary Method, 10-Bit, 1 Func, 1 Channel, Parallel, Word Access, CMOS, PQFP32, 5
MAX1449EHJ+T	MAXIM	获取价格	ADC, Proprietary Method, 10-Bit, 1 Func, 1 Channel, Parallel, Word Access, CMOS, PQFP32, 5
MAX1449EHJ-T	MAXIM	获取价格	ADC, Proprietary Method, 10-Bit, 1 Func, 1 Channel, Parallel, Word Access, CMOS, PQFP32, 5
MAX144ACPA	MAXIM	获取价格	+2.7V, Low-Power, 2-Channel, 108ksps, Serial
MAX144ACPA+	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 2 Channel, Serial Access, CMOS, PDIP8, 0.30
MAX144ACUA	MAXIM	获取价格	+2.7V, Low-Power, 2-Channel, 108ksps, Serial
MAX144ACUA+	MAXIM	获取价格	暂无描述
MAX144ACUA-T	MAXIM	获取价格	ADC, Successive Approximation, 12-Bit, 1 Func, 2 Channel, Serial Access, PDSO8, MO-187, MI
MAX144AEPA	MAXIM	获取价格	+2.7V, Low-Power, 2-Channel, 108ksps, Serial

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