MAX521 - 四/八通道、2线串行8位DAC，满摆幅输出

MAX521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，MAX521是四/八通道、2线串行8位DAC，满摆幅输出，本站介绍了MAX521的封装应用图解、特点和优点、功能等，并给出了与MAX521相关的Maxim元器件型号供参考。

MAX521 - 四/八通道、2线串行8位DAC，满摆幅输出 - 数据转换器和采样-保持电路 - 兼容于I²C、SMBus串行接口 - 美信半导体

产品概述

The MAX520/MAX521 are quad/octal, 8-bit voltage-output digital-to-analog converters (DACs) with simple 2-wire serial interfaces that allow communication between multiple devices. They operate from a single +5V supply and their reference input range includes both supply rails.

The MAX521 includes rail-to-rail output buffer amplifiers for reduced system size and component count when driving loads. The MAX520's unbuffered voltage outputs reduce the device's total supply current to 4µA and provide increased accuracy at low output currents.

The MAX520/MAX521 feature a serial interface and internal software protocol, allowing communication at data rates up to 400kbps. The interface, combined with the double-buffered input configuration, allows the DAC registers to be updated individually or simultaneously. In addition, the devices can be put into a low-power shutdown mode that reduces supply current to 4µA. Power-on reset ensures the DAC outputs are at 0V when power is initially applied.

The MAX520 is available in 16-pin DIP and wide SO packages, as well as a space-saving 20-pin SSOP. The MAX521 comes in 20-pin DIP and 24-pin SO packages, as well as a space-saving 24-pin SSOP.

关键特性

以下关键特性由Maxim美信半导体提供：

Single +5V Supply

Simple 2-Wire Serial Interface

I²C Compatible

Outputs Swing Rail to Rail:

Unbuffered Outputs (MAX520)

Buffered Outputs (MAX521)

1%-Accurate Trimmed Output Resistance (MAX520A)

Ultra-Low 4µA Supply Current (MAX520)

Individual DACs Have Separate Reference Inputs

Power-On Reset Clears All Latches

4µA Power-Down Mode

热门应用

数字增益与失调控制

通用产品

工业过程控制

可编程衰减器

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