Features and Benefits
- Ultra-Low Power Consumption
- 112µA at VDD = +3.6V
- 135µA at VDD = +5.5V
- Wide +2.7V to +5.5V Single-Supply Range
- 8-Pin µMAX Package
- 0.3µA Power-Down Current
- Guaranteed 12-Bit Monotonicity (±1 LSB DNL)
- Safe Power-Up Reset to Zero Volts at DAC Output
- Three Software-Selectable Power-Down Impedances (100kΩ, 1kΩ, Hi-Z)
- Fast 20MHz, 3-Wire SPI, QSPI, and MICROWIRE-Compatible Serial Interface
- Rail-to-Rail Output Buffer Amplifiers
- Schmitt-Triggered Logic Inputs for Direct Interfacing to Optocouplers
- Wide -40°C to +125°C Operating Temperature Range
The MAX5722 dual,12-bit, low-power, buffered voltage-output, digital-to-analog converter (DAC) is packaged in a space-saving 8-pin µMAX® package (5mm x 3mm). The wide supply voltage range of +2.7V to +5.5V and 112µA supply current accommodates low-power and low-voltage applications. DAC outputs employ on-chip precision output amplifiers that swing rail-to-rail. The MAX5722's reference input accepts a voltage range from 0 to VDD. In power-down, the reference input is high impedance, further reducing the system's total power consumption.
The 20MHz, 3-wire SPI™, QSPI™, MICROWIRE™, and DSP-compatible serial interface save board space and reduce the complexity of opto- and transformer-isolated applications. The MAX5722 on-chip power-on reset (POR) circuit resets the DAC outputs to zero and loads the output with a 100kΩ resistor to ground. This provides additional safety for applications that drive valves or other transducers that need to be off on power-up. The MAX5722's software-controlled power-down reduces supply current to less than 0.3µA and provides software-selectable output loads (1kΩ, 100kΩ, or high impedance) while in power-down. The MAX5722 is specified over the -40°C to +125°C automotive temperature range.
- Automatic Tuning
- Battery-Powered Instruments
- Gain and Offset Adjustment
- Power Amplifier Control
- Process-Control I/O Boards
- VCO Control
Product Lifecycle Production
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.
Documentation & Resources
ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal.View our quality and reliability program and certifications for more information.
|Part Number||Material Declaration||Reliability Data||Pin/Package Drawing||CAD Symbols, Footprints & 3D Models|
|MAX5722AUA+||Material Declaration||Reliability Data||Micro-MAX, Thin Shrink Small-Outline|
|MAX5722EUA+||Material Declaration||Reliability Data||Micro-MAX, Thin Shrink Small-Outline|
|MAX5722EUA+T||Material Declaration||Reliability Data||Micro-MAX, Thin Shrink Small-Outline|
|Wafer Fabrication Data||MAX5722 Reliability Data|
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