MAX512 - 低成本、3通道、8位、电压输出DAC，串行接口

MAX512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，MAX512是低成本、3通道、8位、电压输出DAC，串行接口，本站介绍了MAX512的封装应用图解、特点和优点、功能等，并给出了与MAX512相关的Maxim元器件型号供参考。

MAX512 - 低成本、3通道、8位、电压输出DAC，串行接口 - 数据转换器和采样-保持电路 - 三通道、串行、电压输出DAC，SO封装 - 美信半导体

产品概述

The MAX512/MAX513 contain three 8-bit, voltage-output digital-to-analog converters (DAC A, DAC B, and DAC C). Output buffer amplifiers for DACs A and B provide voltage outputs while reducing external component count. The output buffer for DAC A can source or sink 5mA to within 0.5V of VDD or VSS. The buffer for DAC B can source or sink 0.5mA to within 0.5V of VDD or VSS. DAC C is unbuffered, providing a third voltage output with increased accuracy. The MAX512 operates with a single +5V ±10% supply, and the MAX513 operates with a +2.7V to +3.6V supply. Both devices can also operate with split supplies.

The 3-wire serial interface has a maximum operating frequency of 5MHz and is compatible with SPI™, QSPI™, and Microwire™. The serial input shift register is 16 bits long and consists of 8 bits of DAC input data and 8 bits for DAC selection and shutdown. DAC registers can be loaded independently or in parallel at the positive edge of CS. A latched logic output is also available for auxiliary control.

Ultra-low power consumption and small packages (14-pin DIP/SO) make the MAX512/MAX513 ideal for portable and battery-powered applications. Supply current is only 1mA, dropping to less than 1µA in shutdown. Any of the three DACs can be independently shut down. In shutdown mode, the DAC's R-2R ladder network is disconnected from the reference input, minimizing system power consumption.

关键特性

以下关键特性由Maxim美信半导体提供：

Operate from a Single +5V (MAX512) or +3V (MAX513) Supply, or from Bipolar Supplies

Low Power Consumption

1mA Operating Current

<1µA Shutdown Current

Unipolar or Bipolar Outputs

5MHz, 3-Wire Serial Interface

SPI, QSPI, and Microwire Compatible

Two Buffered, Bipolar-Output DACs (DACs A/B)

Independently Programmable Shutdown Mode

Space-Saving 14-Pin SO/DIP Packages

Pin and Software Reset

热门应用

数字增益与失调控制

可编程衰减器

可编程电流源

可编程电压源

射频数字调节偏置电路

VCO调谐

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