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

DAC43508

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

The 10-bit DAC53508 and 8-bit DAC43508 ( 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 1.8 V to 5.5 V. Using an external reference, the DACx3508 provides a full-scale output voltage range of 1.8 V to 5.5 V while consuming 0.1‑mA 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 10 kΩ-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) SPI interface. These devices also have a load DAC (LDAC) and clear CLR inputs.

The 10-bit DAC53508 and 8-bit DAC43508 ( 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 1.8 V to 5.5 V. Using an external reference, the DACx3508 provides a full-scale output voltage range of 1.8 V to 5.5 V while consuming 0.1‑mA 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 10 kΩ-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) SPI interface. These devices also have a load DAC (LDAC) and clear CLR inputs.
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* Data sheet DACx3508 Octal, 10-Bit or 8-Bit, SPI Interface, Buffered Voltage Output DACs in Tiny 3 × 3 WQFN Package datasheet PDF | HTML 15 Dec 2021

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