ADI AD5593R八路12位可配置模数-数模转换器方案

ADI公司的AD5593R是八路12位可配置ADC/DAC,集成了片上基准和I2C接口,它的八个输入/输出(I/O)引脚可配置成DAC输出,ADC输入,数字输入或数字输出.I/O脚配置成模拟输出,它由12位DAC驱动; I/O脚配置成模拟输入,通过模拟复接器连接到12位ADC.主要用在控制和监视,通用模拟和数字I/O.本文介绍了AD5593R主要特性,功能框图,以及评估板EVAL-AD5593RSDZ主要特性,连接图,电路图和材料清单.
The AD5593R has eight input/output (I/O) pins, which can be independently configured as digital-to-analog converter (DAC) outputs, analog-to-digital converter (ADC) inputs, digital outputs, or digital inputs. When an I/O pin is configured as an analog output, it is driven by a 12-bit DAC. The output range of the DAC is 0 V to VREF or 0 V to 2 × VREF. When an I/O pin is configured as an analog input, it is connected to a 12-bit ADC via an analog multiplexer. The input range of the ADC is 0 V to VREF or 0 V to 2 × VREF. The I/O pins can also be configured to be general-purpose, digital input or output (GPIO) pins. The state of the GPIO pins can be set or read back by accessing the GPIO write data register and GPIO read configuration registers, respectively, via an I2C write or read operation.
The AD5593R has an integrated 2.5 V, 20 ppm/℃ reference that is turned off by default and an integrated temperature indicator that gives an indication of the die temperature. The temperature value is read back as part of an ADC read sequence.
The AD5593R is available in a 16-lead TSSOP and a 16-ball WLCSP and operates over a temperature range of −40℃ to +105℃.
AD5593R主要特性:
8-channel, configurable ADC/DAC/GPIO
Configurable as any combination of
8 12-bit DAC channels
8 12-bit ADC channels
8 general-purpose I/O pins
Integrated temperature sensor
16-lead TSSOP and 16-ball WLCSP packages
I2C interface
AD5593R 应用:
Control and monitoring
General-purpose analog and digital I/O

图1. AD5593R功能框图
AD5593R评估板EVAL-AD5593RSDZ
The evaluation board is designed...