MAX1446 - 10位、60Msps、3.0V、低功耗ADC，内置电压基准

MAX1446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，MAX1446是10位、60Msps、3.0V、低功耗ADC，内置电压基准，本站介绍了MAX1446的封装应用图解、特点和优点、功能等，并给出了与MAX1446相关的Maxim元器件型号供参考。

MAX1446 - 10位、60Msps、3.0V、低功耗ADC，内置电压基准 - 数据转换器和采样-保持电路 - 3V、10位、60Msps ADC，提供72dB SFDR - 美信半导体

产品概述

The MAX1446 10-bit, 3V analog-to-digital converter (ADC) features a fully differential input, a pipelined 10-stage ADC architecture with digital error correction and wideband track and hold (T/H) incorporating a fully differential signal path. This ADC is optimized for low-power, high dynamic performance applications in imaging and digital communications. The MAX1446 operates from a single 2.7V to 3.6V supply, consuming only 90mW 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 MAX1446 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.

Lower and higher speed, pin-compatible versions of the MAX1446 are also available. Refer to the MAX1444 data sheet for a 40Msps version, the MAX1448 datasheet for an 80Msps version, and the MAX1449 datasheet for a 105Msps version.

The MAX1446 has parallel, offset binary, three-state outputs that can be operated from 1.7V to 3.3V 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) and automotive (-40°C to+105°C) temperature ranges.

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

73dB SFDR at fIN = 20MHz

Low Power:

30mA (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 (MAX1448 EV Kit)

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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