DAC7716 - 四路 12 位高准确度 +/-16.5V 输出串行输入数模转换器

DAC7716是TI德州仪器公司的一款精密DAC(=<10MSPS)产品，DAC7716是四路 12 位高准确度 +/-16.5V 输出串行输入数模转换器，本站介绍了DAC7716的封装应用图解、特点和优点、功能等，并给出了与DAC7716相关的TI元器件型号供参考。

DAC7716 - 四路 12 位高准确度 +/-16.5V 输出串行输入数模转换器 - 精密DAC(=<10MSPS) - 数模转换器 - 德州仪器

产品描述

The DAC7716 is a high-accuracy, quad-channel, 12-bit digital-to-analog converter (DAC) that operates from supply voltages of ±5V to ±18V in bipolar output mode, and from ±5V to +24V/-12V in unipolar mode. With a 5V reference, the DAC7716 can be configured to output ±10V, ±5V, 0V to 20V, or 0V to 10V. The DAC7716 provides 12-bit monotonicity, excellent integral nonlinearity (INL) error of ±1 LSB, low glitch, and low noise over the operating temperature range of -40°C to +105°C. This device is trimmed in production for very low zero and gain errors. In addition, the DAC7716 implements a user-programmable system-level calibration function to achieve ±0.0078 LSB zero error and ±0.0625 LSB gain error.

The DAC7716 has integrated reference buffers and output buffers. It features a standard high-speed 1.8V, 3V, or 5V serial peripheral interface (SPI) that operates at clock rates of up to 50MHz to communicate with a DSP or microprocessor. The four DAC channels and the auxiliary registers are addressed with four address bits. The device features double-buffered interface logic for simultaneous updates of all DACs. An asynchronous load input (LDAC) transfers data from the input data register to the DAC latch, and the contents of the DAC latch set the output voltage. The asynchronous RST input sets the output of all four DACs to 0V. The VMON pin is an analog monitor output that multiplexes the individual DAC outputs or the AIN pin.

The DAC7716 is pin-compatible with the DAC8734 (16-bit) and the DAC8234 (14-bit).

产品特性

Bipolar Output: Up to ±16V
Unipolar Output: 0V to +20V
12-Bit Monotonic
Relative Accuracy: 1 LSB Max
Low Zero and Gain Errors
- Before User Calibration: 0.5 LSB
- After User Calibration:0.0078 LSB Zero Error, 0.0625 LSB Gain Error
Low Noise: 60nV/Hz
Settling Time: 6µs
Configurable Gain: x2/x4
Analog Output Monitor
Power-Down Mode
SPI: Up to 50MHz, 1.8V/3V/5V Logic
Daisy-Chain Mode
Operating Temperature: -40°C to +105°C
Packages: QFN-40 (6x6mm), TQFP-48 (7x7mm)
APPLICATIONS
- Automatic Test Equipment
- Instrumentation
- Industrial Process Control
- Communications

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