MAX547 - 八通道、13位、电压输出DAC，并行接口

MAX547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，MAX547是八通道、13位、电压输出DAC，并行接口，本站介绍了MAX547的封装应用图解、特点和优点、功能等，并给出了与MAX547相关的Maxim元器件型号供参考。

MAX547 - 八通道、13位、电压输出DAC，并行接口 - 数据转换器和采样-保持电路 - 8通道、并行、电压输出DAC - 美信半导体

产品概述

The MAX547 contains eight 13-bit, voltage-output digital-to-analog converters (DACs). On-chip precision output amplifiers provide the voltage outputs. The MAX547 operates from a ±5V supply. Bipolar output voltages with up to ±4.5V voltage swing can be achieved with no external components. The MAX547 has four separate reference inputs; each is connected to two DACs, providing different full-scale output voltages for every DAC pair.

The MAX547 features double-buffered interface logic with a 13-bit parallel data bus. Each DAC has an input latch and a DAC latch. Data in the DAC latch sets the output voltage. The eight input latches are addressed with three address lines. Data is loaded to the input latch with a single write instruction. An asynchronous load (active-low LD_) input transfers data from the input latch to the DAC latch. The four active-low LD_ inputs each control two DACs, and all DAC latches can be updated simultaneously by asserting all active-low LD_ pins. An asynchronous clear (active-low CLR) input resets the output of all eight DACs to AGND_. Asserting active-low CLR resets both the DAC and the input latch to bipolar zero (1000hex). On power-up, reset circuitry performs the same function as active-low CLR. All logic inputs are TTL/CMOS compatible.The MAX547 is available in 44-pin plastic quad flat pack and 44-pin PLCC packages.

关键特性

以下关键特性由Maxim美信半导体提供：

Full 13-Bit Performance without Adjustments

8 DACs in One Package

Buffered Voltage Outputs

Calibrated Linearity

Guaranteed Monotonic to 13 Bits

±5V Supply Operation

Unipolar or Bipolar Outputs Swing to ±4.5V

Fast Output Settling (5µs to ±1/2LSB)

Double-Buffered Digital Inputs

Asynchronous Load Inputs Load Pairs of DAC Latches

Asynchronous active-low CLR Input Resets DACs to Analog Ground

Power-On Reset Circuit Resets DACs to Analog Ground

Microprocessor and TTL/CMOS Compatible

热门应用

自动测试设备(ATE)

航空电子与军用系统

数字增益与失调控制

通用产品

工业过程控制

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