Features and Benefits
- Ultra-Low Power Consumption
- 229µA at VDD = +3.6V
- 271µA at VDD = +5.5V
- Wide +2.7V to +5.5V Single-Supply Range
- 10-Pin µMAX Package
- 0.3µA Power-Down Current
- Guaranteed 10-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 MAX5741 quad, 10-bit, low-power, buffered voltage-output, digital-to-analog converter (DAC) is packaged in a space-saving 10-pin µMAX® package (5mm x 3mm). The wide supply voltage range of +2.7V to +5.5V and 229µA supply current accommodates low-power and low-voltage applications. DAC outputs employ on-chip precision output amplifiers that swing rail-to-rail. The MAX5741'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 saves board space and reduces the complexity of opto- and transformer-isolated applications. The MAX5741 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 MAX5741's software controlled power-down reduces supply current to less than 1µA and provides software-selectable output loads (1kΩ, 100kΩ, or high impedance) while in power-down. The MAX5741 is specified over the -40°C to +125°C extended temperature range and available in a 10-pin µMAX package
- 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.
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