2.7 V to 5.5 V, <100 µA, 14-Bit nanoDAC®, SPI Interface in LFCSP and SC70
The AD5641 contains a power-down feature that reduces current consumption typically to 0.2 μA at 3 V, and provides software-selectable output loads while in power-down mode. The part is put into power-down mode over the serial interface. The low power consumption of the part in normal operation makes it ideally suited to portable battery-operated equipment. The combination of small package and low power makes this nanoDAC device ideal for level-setting requirements such as generating bias or control voltages in space-constrained and power-sensitive applications.Product Highlights
- Available in a space-saving, 6-lead LFCSP and SC70 packages.
- Low power, single-supply operation. The AD5641 operates from a single 2.7 V to 5.5 V supply and with a maximum current consumption of 100 μA, making it ideal for battery-powered applications.
- The on-chip output buffer amplifier allows the output of the DAC to swing rail-to-rail with a typical slew rate of 0.5 V/μs.
- Reference derived from the power supply.
- High speed serial interface with clock speeds up to 30 MHz. Designed for very low power consumption. The interface powers up only during a write cycle.
- Power-down capability. When powered down, the DAC typically consumes 0.2 μA at 3 V.
- Power-on reset with brownout detection.
- Voltage level setting
- Portable battery-powered instruments
- Digital gain and offset adjustment
- Programmable voltage and current sources
- Programmable attenuators
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At least one model within this product family is in production and available for purchase. The product is appropriate for new designs but newer alternatives may exist.
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