MAX189 - +5V、低功耗、12位串行ADC

MAX189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，MAX189是+5V、低功耗、12位串行ADC，本站介绍了MAX189的封装应用图解、特点和优点、功能等，并给出了与MAX189相关的Maxim元器件型号供参考。

MAX189 - +5V、低功耗、12位串行ADC - 数据转换器和采样-保持电路 - 对于3V应用，请参考MAX1240 - 美信半导体

产品概述

The MAX187/MAX189 serial 12-bit analog-to-digital converters (ADCs) operate from a single +5V supply and accept a 0 to 5V analog input. Both parts feature an 8.5µs successive-approximation ADC, a fast track/hold (1.5µs), an on-chip clock, and a high-speed 3-wire serial interface.

The MAX187/MAX189 digitize signals at a 75ksps throughput rate. An external clock accesses data from the interface, which communicates without external hardware to most digital signal processors and microcontrollers. The interface is compatible with SPI, QSPI™, and MICROWIRE®.

The MAX187 has an on-chip buffered reference, and the MAX189 requires an external reference. Both the MAX187 and MAX189 save space with 8-pin PDIP and 16-pin SO packages. Power consumption is 7.5mW and reduces to only 10µW in shutdown.

Excellent AC characteristics and very low power consumption combined with ease of use and small package size make these converters ideal for remote DSP and sensor applications, or for circuits where power consumption and space are crucial.

关键特性

以下关键特性由Maxim美信半导体提供：

12-Bit Resolution

±½ LSB Integral Nonlinearity (MAX187A/MAX189A)

Internal Track/Hold, 75kHz Sampling Rate

Single +5V Operation

Low Power

2µA Shutdown Current

1.5mA Operating Current

Internal 4.096V Buffered Reference (MAX187)

3-Wire Serial Interface, Compatible with SPI, QSPI, and MICROWIRE

Small-Footprint 8-Pin PDIP and 16-Pin SO

热门应用

高精度过程控制

隔离型数据采集

便携式数据记录

远端数字信号处理

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