TLV5638 - 12 位、1 或 3.5us DAC，具有串行输入、双路 DAC、可编程内部参考和稳定时间、功耗

TLV5638是TI德州仪器公司的一款精密DAC(=<10MSPS)产品，TLV5638是12 位、1 或 3.5us DAC，具有串行输入、双路 DAC、可编程内部参考和稳定时间、功耗，本站介绍了TLV5638的封装应用图解、特点和优点、功能等，并给出了与TLV5638相关的TI元器件型号供参考。

TLV5638 - 12 位、1 或 3.5us DAC，具有串行输入、双路 DAC、可编程内部参考和稳定时间、功耗 - 精密DAC(=<10MSPS) - 数模转换器 - 德州仪器

产品描述

The TLV5638 is a dual 12-bit voltage output DAC with a flexible 3-wire serial interface. The serial interface allows glueless interface to TMS320 and SPITM, QSPITM, and MicrowireTM serial ports. It is programmed with a 16-bit serial string containing 4 control and 12 data bits.

The resistor string output voltage is buffered by a x2 gain rail-to-rail output buffer. The buffer features a Class AB output stage to improve stability and reduce settling time. The programmable settling time of the DAC allows the designer to optimize speed vs power dissipation. With its on-chip programmable precision voltage reference, the TLV5638 simplifies overall system design.

Because of its ability to source up to 1 mA, the reference can also be used as a system reference. Implemented with a CMOS process, the device is designed for single supply operation from 2.7 V to 5.5 V. It is available in an 8-pin SOIC package to reduce board space in standard commercial, industrial, and automotive temperature ranges. It is also available in JG and FK packages in the military temperature range.

产品特性

Dual 12-Bit Voltage Output DAC
Programmable Internal Reference
Programmable Settling Time:
- 1 µs in Fast Mode,
- 3.5 µs in Slow Mode
Compatible With TMS320 and SPITM Serial Ports
Differential Nonlinearity <0.5 LSB Typ
Monotonic Over Temperature
Applications
- Digital Servo Control Loops
- Digital Offset and Gain Adjustment
- Industrial Process Control
- Machine and Motion Control Devices
- Mass Storage Devices

SPI, QSPI are trademarks of Motorola, Inc. Microwire is a trademark of National Semiconductor Corporation.

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