MAX5155 - 低功耗、双路、12位、电压输出DAC，串行接口

MAX5155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，MAX5155是低功耗、双路、12位、电压输出DAC，串行接口，本站介绍了MAX5155的封装应用图解、特点和优点、功能等，并给出了与MAX5155相关的Maxim元器件型号供参考。

MAX5155 - 低功耗、双路、12位、电压输出DAC，串行接口 - 数据转换器和采样-保持电路 - 双路、串行、电压输出DAC，采用QSOP封装 - 美信半导体

产品概述

The MAX5154/MAX5155 low-power, serial, voltage-output, dual 12-bit digital-to-analog converters (DACs) consume only 500µA from a single +5V (MAX5154) or +3V (MAX5155) supply. These devices feature Rail-to-Rail output swing and are available in a space-saving 16-pin QSOP package. To maximize the dynamic range, the DAC output amplifiers are configured with an internal gain of +2V/V.

The 3-wire serial interface is SPI™/QSPI™ and Microwire™ compatible. Each DAC has a double-buffered input organized as an input register followed by a DAC register, which allows the input and DAC registers to be updated independently or simultaneously with a 16-bit serial word. Additional features include programmable shutdown (2µA), hardware-shutdown lockout (PDL), a separate reference voltage input for each DAC that accepts AC and DC signals, and an active-low clear input (CL) that resets all registers and DACs to zero. These devices provide a programmable logic pin for added functionality, and a serial-data output pin for daisy chaining.

关键特性

以下关键特性由Maxim美信半导体提供：

12-Bit Dual DAC with Internal Gain of +2V/V

Rail-to-Rail Output Swing

12µs Settling Time

Single-Supply Operation:

+5V (MAX5154)

+3V (MAX5155)

Low Quiescent Current:

500µA (normal operation)

2µA (shutdown mode)

SPI/QSPI and Microwire Compatible

Available in Space-Saving 16-Pin QSOP Package

Power-On Reset Clears Registers and DACs to Zero

Adjustable Output Offset

热门应用

数字增益与失调控制

通用产品

工业过程控制

微处理器控制系统

运动控制

远端工业控制

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