TLC5620 - 8 位、10us 四路 DAC，串行输入、1x 或 2x 输出可编程、同步更新、低功耗

TLC5620是TI德州仪器公司的一款精密DAC(=<10MSPS)产品，TLC5620是8 位、10us 四路 DAC，串行输入、1x 或 2x 输出可编程、同步更新、低功耗，本站介绍了TLC5620的封装应用图解、特点和优点、功能等，并给出了与TLC5620相关的TI元器件型号供参考。

TLC5620 - 8 位、10us 四路 DAC，串行输入、1x 或 2x 输出可编程、同步更新、低功耗 - 精密DAC(=<10MSPS) - 数模转换器 - 德州仪器

产品描述

The TLC5620C and TLC5620I are quadruple 8-bit voltage output digital-to-analog converters (DACs) with buffered reference inputs (high impedance). The DACs produce an output voltage that ranges between either one or two times the reference voltages and GND, and the DACs are monotonic. The device is simple to use, running from a single supply of 5 V. A power-on reset function is incorporated to ensure repeatable start-up conditions.

Digital control of the TLC5620C and TLC5620I are over a simple three-wire serial bus that is CMOS compatible and easily interfaced to all popular microprocessor and microcontroller devices. The 11-bit command word comprises eight bits of data, two DAC-select bits, and a range bit, the latter allowing selection between the times 1 or times 2 output range. The DAC registers are double buffered, allowing a complete set of new values to be written to the device, then all DAC outputs are updated simultaneously through control of LDAC. The digital inputs feature Schmitt triggers for high noise immunity.

The 14-terminal small-outline (D) package allows digital control of analog functions in space-critical applications. The TLC5620C is characterized for operation from 0°C to 70°C. The TLC5620I is characterized for operation from -40°C to 85°C. The TLC5620C and TLC5620I do not require external trimming.

产品特性

Four 8-Bit Voltage Output DACs
5-V Single-Supply Operation
Serial Interface
High-Impedance Reference Inputs
Programmable 1 or 2 Times Output Range
Simultaneous Update Facility
Internal Power-On Reset
Low-Power Consumption
Half-Buffered Output
applications
- Programmable Voltage Sources
- Digitally Controlled Amplifiers/Attenuators
- Mobile Communications
- Automatic Test Equipment
- Process Monitoring and Control
- Signal Synthesis

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