DAC8812 - 16 位、双串行输入乘法数模转换器

DAC8812是TI德州仪器公司的一款精密DAC(=<10MSPS)产品，DAC8812是16 位、双串行输入乘法数模转换器，本站介绍了DAC8812的封装应用图解、特点和优点、功能等，并给出了与DAC8812相关的TI元器件型号供参考。

DAC8812 - 16 位、双串行输入乘法数模转换器 - 精密DAC(=<10MSPS) - 数模转换器 - 德州仪器

1 Features

Relative Accuracy: 1 LSB Max
Differential Nonlinearity: 1 LSB Max
2-mA Full-Scale Current ±20%, With VREF = ±10 V
0.5-μs Settling Time
Midscale or Zero-Scale Reset
Separate 4Q Multiplying Reference Inputs
Reference Bandwidth: 10 MHz
Reference Dynamics: –105-dB THD
SPI™-Compatible 3-Wire Interface: 50 MHz
Double Buffered Registers to Enable Simultaneous Multichannel Update
Internal Power-On Reset
Industry-Standard Pin Configuration

2 Applications

Automatic Test Equipment
Instrumentation
Digitally Controlled Calibration

产品说明

The DAC8812 is a dual, 16-bit, current-output digital-to-analog converter (DAC) designed to operate from a single 2.7-V to 5.5-V supply.

The applied external reference input voltage VREF determines the full-scale output current. An internal feedback resistor (RFB) provides temperature tracking for the full-scale output when combined with an external I-to-V precision amplifier.

A double-buffered, serial data interface offers high-speed, 3-wire, SPI and microcontroller compatible inputs using serial data in (SDI), clock (CLK), and a chip-select (CS). A common level-sensitive load DAC strobe (LDAC) input allows simultaneous update of all DAC outputs from previously loaded input registers. Additionally, an internal power-on reset forces the output voltage to zero at system turnon. An MSB pin allows system reset assertion (RS) to force all registers to zero code when MSB = 0, or to half-scale code when MSB = 1.

The DAC8812 is available in a TSSOP-16 package.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
DAC8812	TSSOP (16)	5.00 mm × 4.40 mm

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