MX7548 - CMOS、8位总线兼容、12位DAC

MX7548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，MX7548是CMOS、8位总线兼容、12位DAC，本站介绍了MX7548的封装应用图解、特点和优点、功能等，并给出了与MX7548相关的Maxim元器件型号供参考。

MX7548 - CMOS、8位总线兼容、12位DAC - 数据转换器和采样-保持电路 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The MX7548 is a 12-bit CMOS, current output, multiplying digital-to-analog converter (DAC) with a versatile interface for microprocessors using 8-bit busses. The MX7548 accepts data into its input-registers in two bytes in either left- or right-justified format, lease significant byte or most significant byte first. Standard active-low WR and active-low CSLSB or active-low SCMSB inputs control the data load operation. A separate active-low LDAC input controls transfer of data from the input register to the DAC register allowing for simultaneous update of all DACs in multi-DAC systems. A data override input forces the DAC output to full-scale or zero-code without altering the contents of the input registers. This permits the user to perform DAC calibration conveniently without having to load calibration data into the DAC.

The MX7548 works with a single +5V, +12V or +15V power supply, and the electrical characteristics are specified at all of these supply voltages. All digital inputs are TTL and +5V-CMOS compatible with any of these supply voltages. Maxim MX7548 uses low tempco thin-film resistors which are laser trimmed to ±¼ LSB linearity and better than ±1 LSB gain accuracy. The digital inputs are designed with improved ESD protection and can typically withstand over 5,000V of ESD voltages. The MX7548 is supplied in 20-lead narrow DIP, PLCC, and Small Outline packages.

关键特性

以下关键特性由Maxim美信半导体提供：

8-Bit Bus Compatible

Versatile µP Interface with Selectable Data Format and Data Override

Fast Interface Timing—120ns min Write Pulse Width

All Grades 12-Bit Monotonic Over Temperature

±1 LSB max Gain Accuracy

Operation specified at +5V, +12V or +15V Supply Voltages

Small Footprint Packages

High ESD Resistance

热门应用

µP控制系统

自动测试设备

数控滤波器

运动控制系统

过程控制

可编程增益放大器

可编程电源

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