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数据转换器
数模转换器 (DAC)
精密 DAC (≤10 MSPS)

DAC7822

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12 位双通道并行输入乘法数模转换器

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数据表

DAC7822

正在供货
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产品详情

Resolution (Bits) 12 Number of DAC channels 2 Interface type Parallel Output type Unbuffered Current INL (max) (±LSB) 1 Settling time (µs) 0.2 Reference type Ext Architecture Multiplying DAC Rating Catalog Sample/update rate (Msps) 10 Power consumption (typ) (mW) 0.0275 Operating temperature range (°C) -40 to 125
Resolution (Bits) 12 Number of DAC channels 2 Interface type Parallel Output type Unbuffered Current INL (max) (±LSB) 1 Settling time (µs) 0.2 Reference type Ext Architecture Multiplying DAC Rating Catalog Sample/update rate (Msps) 10 Power consumption (typ) (mW) 0.0275 Operating temperature range (°C) -40 to 125
WQFN (RTA) 40 36 mm² (6 mm × 6 mm)
  • ±1LSB INL
  • 2.5V to 5.5V Supply Operation
  • Fast Parallel Interface: 17ns Write Cycle
  • Update Rate of 20.4MSPS
  • 10MHz Multiplying Bandwidth
  • ±15V Reference Input
  • Extended Temperature Range: -40°C to +125°C
  • 40-Lead QFN
  • 12-Bit Monotonic
  • 4-Quadrant Multiplication
  • Power-On Reset with Brownout Detection
  • Readback Function
  • Industry-Standard Pin Configuration
  • Pin-Compatible with the AD5405
  • APPLICATIONS
    • Portable Battery-Powered Instruments
    • Waveform Generators
    • Analog Processing
    • Programmable Amplifiers and Attenuators
    • Digitally-Controlled Calibration
    • Programmable Filters and Oscillators
    • Ultrasound

All trademarks are the property of their respective owners.
  • ±1LSB INL
  • 2.5V to 5.5V Supply Operation
  • Fast Parallel Interface: 17ns Write Cycle
  • Update Rate of 20.4MSPS
  • 10MHz Multiplying Bandwidth
  • ±15V Reference Input
  • Extended Temperature Range: -40°C to +125°C
  • 40-Lead QFN
  • 12-Bit Monotonic
  • 4-Quadrant Multiplication
  • Power-On Reset with Brownout Detection
  • Readback Function
  • Industry-Standard Pin Configuration
  • Pin-Compatible with the AD5405
  • APPLICATIONS
    • Portable Battery-Powered Instruments
    • Waveform Generators
    • Analog Processing
    • Programmable Amplifiers and Attenuators
    • Digitally-Controlled Calibration
    • Programmable Filters and Oscillators
    • Ultrasound

All trademarks are the property of their respective owners.

The DAC7822 is a dual, CMOS, 12-bit, current output digital-to-analog converter (DAC). This device operates from a 2.5V to 5.5V power supply, making it suitable for battery-powered and many other applications.

The DAC7822 operates with a fast parallel interface. Data readback allows the user to read the contents of the DAC register via the DB pins. On power-up, the internal register and latches are filled with zeroes and the DAC outputs are at zero scale.

The DAC7822 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 DAC7822 also includes the resistors necessary for 4-quadrant multiplication and other configuration modes.

The DAC7822 is available in a 40-lead QFN package.

The DAC7822 is a dual, CMOS, 12-bit, current output digital-to-analog converter (DAC). This device operates from a 2.5V to 5.5V power supply, making it suitable for battery-powered and many other applications.

The DAC7822 operates with a fast parallel interface. Data readback allows the user to read the contents of the DAC register via the DB pins. On power-up, the internal register and latches are filled with zeroes and the DAC outputs are at zero scale.

The DAC7822 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 DAC7822 also includes the resistors necessary for 4-quadrant multiplication and other configuration modes.

The DAC7822 is available in a 40-lead QFN package.
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* 数据表 Dual 12-Bit, Parallel Input, Multiplying Digital-to-Analog Converter 数据表 (Rev. A) 2007-7-6

设计与开发

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仿真模型

DAC7822 IBIS Model

SBAM121.ZIP (30 KB) - IBIS 模型
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设计工具

ADC-DAC-TO-VREF-SELECT-DESIGN-TOOL — The ADC-TO-VREF-SELECT tool enables the pairing of TI ADCs, DACs, and series voltage references.

The ADC-TO-VREF-SELECT tool enables the pairing of TI analog-to-digital converters (ADCs) and series voltage references. Users can select an ADC device and the desired reference voltage, and the tool will list up to two voltage reference recommendations.
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封装 引脚 CAD 符号、封装和 3D 模型
WQFN (RTA) 40 Ultra Librarian
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