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

DAC43508

ACTIVE

Octal, 8-bit, buffered-voltage-output DAC with SPI

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Data sheet

DAC43508

ACTIVE
Data sheet Order now

Product details

Resolution (Bits) 8 Number of DAC channels 8 Interface type SPI Output type Buffered Voltage Output voltage range (V) 0 to 5.5 INL (max) (±LSB) 1 Settling time (µs) 10 Reference type Ext Architecture String Rating Catalog Features Cost Optimized, Low Power Power consumption (typ) (mW) 0.18 Operating temperature range (°C) -40 to 125 Product type General-purpose DAC
Resolution (Bits) 8 Number of DAC channels 8 Interface type SPI Output type Buffered Voltage Output voltage range (V) 0 to 5.5 INL (max) (±LSB) 1 Settling time (µs) 10 Reference type Ext Architecture String Rating Catalog Features Cost Optimized, Low Power Power consumption (typ) (mW) 0.18 Operating temperature range (°C) -40 to 125 Product type General-purpose DAC
WQFN (RTE) 16 9 mm² (3 mm × 3 mm)
  • ±1LSB DNL
  • Wide operating range:
    • Power supply: 1.8V to 5.5V
    • Temperature range: –40°C to +125°C
  • 3-wire serial peripheral interface (SPI)
    • VIH = 2.4V for 2.7V ≤ VDD ≤ 5.5V
    • VIH = (VDD – 0.3V ) for 1.8V ≤ VDD ≤ 2.7V
  • LDAC pin for simultaneous output update
  • Very low power: 0.1mA/channel at 1.8V
  • Low-power start-up mode: Outputs powered down with 10kΩ to AGND
  • Tiny package: 3mm × 3mm, 16-pin WQFN
  • ±1LSB DNL
  • Wide operating range:
    • Power supply: 1.8V to 5.5V
    • Temperature range: –40°C to +125°C
  • 3-wire serial peripheral interface (SPI)
    • VIH = 2.4V for 2.7V ≤ VDD ≤ 5.5V
    • VIH = (VDD – 0.3V ) for 1.8V ≤ VDD ≤ 2.7V
  • LDAC pin for simultaneous output update
  • Very low power: 0.1mA/channel at 1.8V
  • Low-power start-up mode: Outputs powered down with 10kΩ to AGND
  • Tiny package: 3mm × 3mm, 16-pin WQFN

The 8-bit DAC43508, 10-bit DAC53508, and 12-bit DAC63508 (DACx3508) are low-power, eight-channel, voltage-output, digital-to-analog converters (DACs). The DACx3508 are specified monotonic by design across a wide power supply range from 1.8V to 5.5V. Using an external reference, the DACx3508 provides a full-scale output voltage range of 1.8V to 5.5V while consuming 0.1mA quiescent current per channel. The DACx3508 also includes per channel, user programmable, power down registers. These registers facilitate the DAC output buffers to start in a 10kΩ-AGND power-down state, and remain in this state until a power-up command is issued to these output buffers.

Low quiescent current, wide power-supply range, octal channel, and a per-channel power-down option make the DACx3508 an excellent choice for high-density, low-power, battery-operated systems.

The devices communicate through the 3-wire (write-only) serial peripheral interface (SPI). These devices also have a load DAC (LDAC) and clear (CLR) inputs.

The 8-bit DAC43508, 10-bit DAC53508, and 12-bit DAC63508 (DACx3508) are low-power, eight-channel, voltage-output, digital-to-analog converters (DACs). The DACx3508 are specified monotonic by design across a wide power supply range from 1.8V to 5.5V. Using an external reference, the DACx3508 provides a full-scale output voltage range of 1.8V to 5.5V while consuming 0.1mA quiescent current per channel. The DACx3508 also includes per channel, user programmable, power down registers. These registers facilitate the DAC output buffers to start in a 10kΩ-AGND power-down state, and remain in this state until a power-up command is issued to these output buffers.

Low quiescent current, wide power-supply range, octal channel, and a per-channel power-down option make the DACx3508 an excellent choice for high-density, low-power, battery-operated systems.

The devices communicate through the 3-wire (write-only) serial peripheral interface (SPI). These devices also have a load DAC (LDAC) and clear (CLR) inputs.
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Technical documentation

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* Data sheet DACx3508 Octal, 8-Bit, 10-Bit, and 12-Bit, SPI, Buffered Voltage Output DACs in Tiny 3 × 3 WQFN Package datasheet (Rev. A) PDF | HTML May 14, 2024
Circuit design Precision, Three-Wire High-Voltage Output Transmitter Using the DAC80501 and XTR200 PDF | HTML Jan 27, 2026
Circuit design Precision, Three-Wire, Analog Current Output Transmitter Using the DAC80501 and XTR200 PDF | HTML Jan 27, 2026

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