DAC7811 - 12 位串行输入乘法数模转换器

DAC7811是TI德州仪器公司的一款精密DAC(=<10MSPS)产品，DAC7811是12 位串行输入乘法数模转换器，本站介绍了DAC7811的封装应用图解、特点和优点、功能等，并给出了与DAC7811相关的TI元器件型号供参考。

DAC7811 - 12 位串行输入乘法数模转换器 - 精密DAC(=<10MSPS) - 数模转换器 - 德州仪器

产品描述

The DAC7811 is a CMOS, 12-bit, current output digital-to-analog converter (DAC). This device operates from a 2.7V to 5.5V power supply, making it suitable for battery-powered and many other applications.

This DAC uses a double-buffered 3-wire serial interface that is compatible with SPI™, QSPI™, MICROWIRE™, and most DSP interface standards. In addition, a serial data out pin (SDO) allows for daisy-chaining when multiple devices are used. Data readback allows the user to read the contents of the DAC register via the SDO pin. On power-up, the internal shift register and latches are filled with zeroes and the DAC outputs are at zero scale.

The DAC7811 offers excellent 4-quadrant multiplication characteristics, with large signal multiplying bandwidth of 10MHz. The applied external reference input voltage (VREF) determines the full-scale output current. An integrated feedback resistor (RFB) provides temperature tracking and full-scale voltage output when combined with an external current-to-voltage precision amplifier.

The DAC7811 is available in a 10-lead MSOP package.

产品特性

2.7V to 5.5V Supply Operation
50MHz SerialInterface
10MHz Multiplying Bandwidth
±15V Reference Input
Low Glitch Energy: 5nV-s
Extended Temperature Range:-40°C to +125°C
10-Lead MSOP Package
12-Bit Monotonic
4-Quadrant Multiplication
Power-On Reset with Brownout Detection
Daisy-Chain Mode
Readback Function
Industry-Standard Pin Configuration
APPLICATIONS
- Portable Battery-Powered Instruments
- Waveform Generators
- Analog Processing
- Programmable Amplifiers and Attenuators
- Digitally Controlled Calibration
- Programmable Filters and Oscillators
- Composite Video
- Ultrasound

SPI, QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor. All other trademarks are the property of their respective owners.

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