MAX145 - +2.7V、低功耗、2通道、108ksps、串行12位ADC，8引脚µMAX封装

MAX145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，MAX145是+2.7V、低功耗、2通道、108ksps、串行12位ADC，8引脚µMAX封装，本站介绍了MAX145的封装应用图解、特点和优点、功能等，并给出了与MAX145相关的Maxim元器件型号供参考。

MAX145 - +2.7V、低功耗、2通道、108ksps、串行12位ADC，8引脚µMAX封装 - 数据转换器和采样-保持电路 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MAX144/MAX145 low-power, 12-bit analog-to-digitalconverters (ADCs) are available in 8-pin µMAX®and DIP packages. Both devices operate with a single+2.7V to +5.25V supply and feature a 7.4µs successive-approximation ADC, automatic power-down, fastwake-up (2.5µs), an on-chip clock, and a high-speed,3-wire serial interface.

Power consumption is only 3.2mW (VDD = +3.6V) at themaximum sampling rate of 108ksps. At slower throughputrates, the automatic shutdown (0.2µA) furtherreduces power consumption.

The MAX144 provides 2-channel, single-ended operationand accepts input signals from 0 to VREF. TheMAX145 accepts pseudo-differential inputs rangingfrom 0 to VREF. An external clock accesses data-throughthe 3-wire serial interface, which is SPI™,QSPI™, and MICROWIRE™-compatible.

Excellent dynamic performance and low power, combinedwith ease of use and small package size, makethese converters ideal for battery-powered and data-acquisitionapplications, or for other circuits withdemanding power-consumption and space requirements.For pin-compatible 10-bit ADCs, see theMAX157 and MAX159 data sheets.

关键特性

以下关键特性由Maxim美信半导体提供：

Single-Supply Operation (+2.7V to +5.25V)

Two Single-Ended Channels (MAX144) One Pseudo-Differential Channel (MAX145)

Low Power

0.9mA (108ksps, +3V Supply)

100µA (10ksps, +3V Supply)

10µA (1ksps, +3V Supply)

0.2µA (Power-Down Mode)

Internal Track/Hold

108ksps Sampling Rate

SPI/QSPI/MICROWIRE-Compatible 3-Wire Serial Interface

Space-Saving 8-Pin µMAX Package

Pin-Compatible 10-Bit Versions Available

热门应用

电池供电应用

仪表

隔离型数据采集

医疗仪器

便携式数据记录

过程控制监视

系统监控

测试设备

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