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Digital-to-analog converters (DACs)
Precision DACs (≤10 MSPS)

DAC43401

ACTIVE

8-bit 1-channel voltage-output smart DAC with Hi-Z, EEPROM, waveform generator and comparator

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Data sheet

DAC43401

ACTIVE
Data sheet Order now

Product details

Resolution (Bits) 8 Number of DAC channels 1 Interface type I2C Output type Buffered Voltage Settling time (µs) 10 Features Cost Optimized, Low Power, Small Size, Smart DAC Reference type Ext, Int Architecture String Rating Catalog Output range (max) (mA/V) 5.5 Output range (min) (mA/V) 1.8 Sample/update rate (Msps) 0.022 Power consumption (typ) (mW) 0.18 Operating temperature range (°C) -40 to 125
Resolution (Bits) 8 Number of DAC channels 1 Interface type I2C Output type Buffered Voltage Settling time (µs) 10 Features Cost Optimized, Low Power, Small Size, Smart DAC Reference type Ext, Int Architecture String Rating Catalog Output range (max) (mA/V) 5.5 Output range (min) (mA/V) 1.8 Sample/update rate (Msps) 0.022 Power consumption (typ) (mW) 0.18 Operating temperature range (°C) -40 to 125
WSON (DSG) 8 4 mm² 2 x 2
  • 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
  • PMBus™ compatible I2C interface
    • Standard, Fast, and Fast+ modes
    • Digital slew rate control
    • 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, ramp, and sawtooth
  • Preprogrammed medical-alarm tone-generation mode: low, medium, and high priority alarms
  • Internal reference
  • Very low power: 0.2 mA at 1.8 V
  • Flexible startup: High impedance or 10K-GND
  • Tiny package: 8-pin WSON (2 mm × 2 mm)
  • 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
  • PMBus™ compatible I2C interface
    • Standard, Fast, and Fast+ modes
    • Digital slew rate control
    • 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, ramp, and sawtooth
  • Preprogrammed medical-alarm tone-generation mode: low, medium, and high priority alarms
  • Internal reference
  • Very low power: 0.2 mA at 1.8 V
  • Flexible startup: High impedance or 10K-GND
  • Tiny package: 8-pin WSON (2 mm × 2 mm)

The 10-bit DAC53401 and 8-bit DAC43401 (DACx3401) are a pin-compatible family of buffered voltage-output 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 DACx3401 an excellent choice for applications such as LED and general-purpose bias point generation, power supply control, digitizers, PWM signal generation, and medical alarm tone generation.

These devices have nonvolatile memory (NVM), an internal reference, and a PMBus-compatible I2C interface. The DACx3401 operates with either an internal reference or the power supply as a reference, and provides full-scale output of 1.8 V to 5.5 V. The devices communicate through the I2C interface. These devices support I2C standard mode, fast mode, and fast+ mode.

The DACx3401 are feature rich, and include PMBus voltage margin commands, user-programmable power up to high impedance, standalone waveform generator, medical alarm tone generator, dedicated feedback pin, and more.

The DACx3401 operate within the temperature range of –40°C to +125°C.

 

The 10-bit DAC53401 and 8-bit DAC43401 (DACx3401) are a pin-compatible family of buffered voltage-output 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 DACx3401 an excellent choice for applications such as LED and general-purpose bias point generation, power supply control, digitizers, PWM signal generation, and medical alarm tone generation.

These devices have nonvolatile memory (NVM), an internal reference, and a PMBus-compatible I2C interface. The DACx3401 operates with either an internal reference or the power supply as a reference, and provides full-scale output of 1.8 V to 5.5 V. The devices communicate through the I2C interface. These devices support I2C standard mode, fast mode, and fast+ mode.

The DACx3401 are feature rich, and include PMBus voltage margin commands, user-programmable power up to high impedance, standalone waveform generator, medical alarm tone generator, dedicated feedback pin, and more.

The DACx3401 operate within the temperature range of –40°C to +125°C.

 
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Technical documentation

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* Data sheet DACx3401 10-Bit and 8-Bit, Voltage-Output Digital-to-Analog Converters With Nonvolatile Memory and PMBus™ Compatible I2C Interface in Tiny 2 × 2 WSON datasheet (Rev. A) PDF | HTML 11 Dec 2019
Application note A Basic Guide to I2C PDF | HTML 08 Nov 2022
Application note Considering TI Smart DACs As an Alternative to 555 Timers PDF | HTML 02 Sep 2021
Technical article Adjusting VOUT in USB Type-C™ and wireless charging applications, part 2 PDF | HTML 18 Feb 2020
Technical article How tiny data converters give you more value per square PDF | HTML 11 Dec 2019
Application brief DACx3401 Delivers Holistic Solution for Power-Supply Margining and AVS 01 Aug 2019
Application brief Replacing Digital Potentiometers with Precision DACs 03 Jul 2019
Application brief DACx3401 Delivers Auto and Commercial LED and Laser Diode Biasing Solution 01 Jul 2019
Analog Design Journal Methods of output-voltage adjustment for DC/DC converters 14 Jun 2019

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