MAX522 - 双路、8位、电压输出、串行DAC，8引脚SO封装

MAX522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，MAX522是双路、8位、电压输出、串行DAC，8引脚SO封装，本站介绍了MAX522的封装应用图解、特点和优点、功能等，并给出了与MAX522相关的Maxim元器件型号供参考。

MAX522 - 双路、8位、电压输出、串行DAC，8引脚SO封装 - 数据转换器和采样-保持电路 - 双路、串行、电压输出DAC - 美信半导体

产品概述

The MAX522 contains two 8-bit, buffered, voltage-output digital-to-analog converters (DAC A and DAC B) in small 8-pin SO and DIP packages. DAC A's buffer can source and sink 5mA, and DAC B's output can source and sink 500µA, both to within 0.5V of ground and VDD. The MAX522 operates with a single +2.7V to +5.5V supply.

The device utilizes a 3-wire serial interface, which operates at clock rates up to 5MHz and is compatible with SPI™, QSPI™, and Microwire™ interface standards. The serial input shift register is 16 bits long and consists of eight bits of DAC input data and eight bits for DAC selection and shutdown control. DAC registers can be loaded independently or in parallel at the positive edge of active-low CS.

The MAX522's ultra-low power consumption and small 8-pin SO package make it ideal for portable and battery-powered applications. Supply current is less than 1mA and drops below 1µA in shutdown mode. In addition, the reference input is disconnected from the REF pin during shutdown, further reducing the system's total power consumption. The software format is compatible with the MAX512/MAX513 triple 8-bit DACs.

关键特性

以下关键特性由Maxim美信半导体提供：

Operates from a Single +2.7V to +5.5V Supply

Dual Buffered Voltage Output

Low Power Consumption:

1mA Operating Current

< 1µA Shutdown Current

Independently Programmable Shutdown Mode

5MHz, 3-Wire Serial Interface

SPI, QSPI, and Microwire Compatible

Space-Saving 8-Pin SO Package

热门应用

数字增益与失调控制

功率放大器偏置控制

可编程电流源

可编程电压源

VCO调谐

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