MAX157 - +2.7V、低功耗、2通道、108ksps、串行10位ADC，8引脚µMAX封装

MAX157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，MAX157是+2.7V、低功耗、2通道、108ksps、串行10位ADC，8引脚µMAX封装，本站介绍了MAX157的封装应用图解、特点和优点、功能等，并给出了与MAX157相关的Maxim元器件型号供参考。

MAX157 - +2.7V、低功耗、2通道、108ksps、串行10位ADC，8引脚µMAX封装 - 数据转换器和采样-保持电路 - 尺寸最小的2通道、10位ADC - 美信半导体

产品概述

The MAX157/MAX159 low-power, 10-bit analog-to-digital converters (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, fast wake-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 the maximum sampling rate of 108ksps. At slower throughput rates, the 0.2µA automatic shutdown further reduces power consumption.

The MAX157 provides 2-channel, single-ended operation and accepts input signals from 0 to VREF. The MAX159 accepts pseudo-differential inputs ranging from 0 to VREF. An external clock accesses data through the 3-wire serial interface, which is SPI™, QSPI™, and MICROWIRE™ compatible.

Excellent dynamic performance and low power, combined with ease of use and a small package size, make these converters ideal for battery-powered and data acquisition applications, or for other circuits with demanding power-consumption and space requirements. For pin-compatible 12-bit upgrades, see the MAX144/MAX145 data sheet.

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 (MAX157)

Single Pseudo-Differential Channel (MAX159)

Low Power

0.9mA (at 108ksps, +3V)

100µA (at 10ksps, +3V)

10µA (at 1ksps,+3V)

< 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 12-Bit Upgrades 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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