MAX544 - +5V、串行输入、电压输出、14位DAC

MAX544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，MAX544是+5V、串行输入、电压输出、14位DAC，本站介绍了MAX544的封装应用图解、特点和优点、功能等，并给出了与MAX544相关的Maxim元器件型号供参考。

MAX544 - +5V、串行输入、电压输出、14位DAC - 数据转换器和采样-保持电路 - 单通道、串行、电压输出DAC，采用SO封装 - 美信半导体

产品概述

The MAX544/MAX545 are serial-input, voltage-output, 14-bit digital-to-analog converters (DACs) that operate from a single +5V supply. They provide 14-bit performance (±0.5LSB INL and ±0.9LSB DNL) over temperature without any adjustments. The DAC output is unbuffered, resulting in a low supply current of 0.3mA and a low offset error of 0.6mV.

The DAC output range is 0V to VREF. For bipolar operation, matched scaling resistors are provided in the MAX545 for use with an external precision op amp (such as the MAX400), generating a ±VREF output swing. The MAX545 also includes Kelvin-sense connections for the reference and analog ground pins to reduce layout sensitivity.A 16-bit serial word is used to load data into the DAC latch. The 10MHz, 3-wire serial interface is compatible with SPI™/QSPI™/MICROWIRE™, and it also interfaces directly with optocouplers for applications requiring isolation. A power-on reset circuit clears the DAC output to 0V (unipolar mode) when power is initially applied.The MAX544 is available in 8-pin plastic DIP and SO packages. The MAX545 is available in 14-pin plastic DIP and SO packages.

关键特性

以下关键特性由Maxim美信半导体提供：

Full 14-Bit Performance Without Adjustments

+5V Single-Supply Operation

Low Power: 1.5mW

1µs Settling Time

Unbuffered Voltage Output Directly Drives 60-kilohm Loads

SPI/QSPI/MICROWIRE-Compatible Serial Interface

Power-On Reset Circuit Clears DAC Output to 0V (unipolar mode)

Schmitt-Trigger Inputs for Direct Optocoupler Interface

Pin-Compatible 16-Bit Upgrades (MAX541/MAX542)

热门应用

自动测试设备(ATE)

数据采集

数字增益与失调控制

工业过程控制

仪表

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