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具有 GPIO 触发器和函数发生器的单通道输出电压、8 位智能 DAC
Resolution (Bits) 8
Number of DAC channels (#) 1
Interface type I2C
Output type Buffered Voltage
Settling time (μs) 12
Features Small Size, Smart DAC
Reference type Ext, Int
Architecture String
Rating Catalog
Output range (Max) (mA/V) 5.5
Output range (Min) (mA/V) 0
Operating temperature range (C) -40 to 125
  • 1 LSB INL and DNL (10-bit and 8-bit)
  • Wide operating range
    • Power supply: 1.8 V to 5.5 V
    • Temperature range: –40°C to +125°C
  • General-purpose input (GPI) based function trigger
  • PMBus? compatible I2C interface
    • Standard, fast, and fast mode plus
    • Four device address options configured using the broadcast address
    • 1.62-V VIH with VDD = 5.5 V
  • User-programmable nonvolatile memory (NVM/EEPROM)
    • Save and recall all register settings
  • Programmable waveform generation: Square, triangular, and sawtooth
  • Pulse-width modulation (PWM) output using triangular waveform and FB pin
  • Preprogrammed medical-alarm tone-generation mode: low-, medium-, and high-priority alarms
  • Digital slew rate control
  • Internal reference
  • Very low power: 0.2 mA at 1.8 V
  • Flexible start-up: High impedance or 10K-GND
  • Tiny package: 8-pin WSON (2 mm × 2 mm)

The 10-bit DAC53701 and 8-bit DAC43701 (DACx3701) are a pin-compatible family of buffered voltage-output smart digital-to-analog converters (DACs). These devices consume very low power, and are available in a tiny 8-pin WSON package. The feature set combined with the tiny package and low power make the DACx3701 an excellent choice for applications such as appliance door fade-in fade-out, processorless LED dimming with PWM input, general-purpose bias point generation, voltage margining and scaling, PWM signal generation, and medical alarm tone generation.

These devices have nonvolatile memory (NVM), an internal reference, a PMBus-compatible I2C interface, and a general-purpose input. The DACx3701 operates with either an internal reference or with the power supply as a reference, and provides a full-scale output of 1.8 V to 5.5 V.

The DACx3701 are smart DAC devices because of their advanced integrated features. With force-sense output, GPI based function trigger, medical alarm, PWM output, and NVM capabilities, smart DACs enable system performance and control without the use of software.

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