MAX1444 - 10位、40Msps、3.0V、低功耗ADC，内置电压基准

MAX1444是Maxim美信半导体公司的一款数据转换器和采样-保持电路产品，MAX1444是10位、40Msps、3.0V、低功耗ADC，内置电压基准，本站介绍了MAX1444的封装应用图解、特点和优点、功能等，并给出了与MAX1444相关的Maxim元器件型号供参考。

MAX1444 - 10位、40Msps、3.0V、低功耗ADC，内置电压基准 - 数据转换器和采样-保持电路 - 低功耗、3V、10位、40Msps ADC，提供72dB SFDR - 美信半导体

产品概述

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 lowpower, 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 differential 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.

An internal 2.048V precision bandgap reference is used to set the ADC full-scale range. A flexible reference structure allows the user to supply a buffered, direct, or externally derived reference for applications requiring increased accuracy or a different input voltage range.

See a parametric table of the complete family of pin-compatible, 10-bit high-speed ADCs.

The MAX1444 has parallel, offset binary, CMOS-compatible 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.

关键特性

以下关键特性由Maxim美信半导体提供：

Single 3.0V Operation

Excellent Dynamic Performance

59.5dB SNR at fIN = 20MHz

74dBc SFDR at fIN = 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

Evaluation Kit Available

热门应用

基带与中频数字化

CCD成像

数字机顶盒

超声成像

视频量化应用

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