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Home » NEWEST Products » New by Manufacturer » Maxim Integrated » MAX5725 12-Bit 8-Channel DACs - Maxim Integrated
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Maxim MAX5725 12-Bit DACs

Maxim Integrated MAX5725 12-Bit DACs

Maxim Integrated MAX5725 12-bit, 8-channel voltage-output digital-to-analog converters (DACs) feature output buffers and an internal 3ppm/°C reference that is selectable at 2.048V, 2.500V, or 4.096V. MAX5725 accepts a wide supply voltage range of 2.7V to 5.5V with extremely low power (6mW) consumption to accommodate most low-voltage applications. A precision external reference input allows rail-to-rail operation and presents a 100kΩ (typ) load to an external reference. Maxim Integrated MAX5725 DAC has a fast 50MHz, 4-wire SPI/QSPI™/MICROWIRE®/DSP-compatible serial interface that operates at clock rates up to 50MHz. The DAC output is buffered and has a low supply current of less than 250µA per channel and a low offset error of ±0.5mV (typ). The device features a programmable watchdog function that can be enabled to monitor the I/O interface for activity and integrity.

Features
  • Eight High-Accuracy DAC Channels
    • 12-Bit Accuracy Without Adjustment
    • ±1 LSB INL Buffered Voltage Output
    • Guaranteed Monotonic Over All Operating Conditions
    • Independent Mode Settings for Each DAC
  • Three Precision Selectable Internal References
    • 2.048V, 2.500V, or 4.096V
  • Internal Output Buffer
    • Rail-to-Rail Operation with External Reference
    • 4.5µs Settling Time
    • Outputs Directly Drive 2kΩ Loads
  • Wide 2.7V to 5.5V Supply Range
  • Separate 1.8V to 5.5V VDDIO Power-Supply Input
  • Fast 50MHz 4-Wire SPI/QSPI/MICROWIRE/DSP-Compatible Serial Interface
  • Programmable Interface Watchdog Timer
  • Pin-Selectable Power-On-Reset to Zero-Scale or Midscale DAC Output
  • Active-Low LDAC and Active-Low CLR For Asynchronous DAC Control
  • Three Selectable Power-Down Output Impedances
    • 1kΩ, 100kΩ, or High Impedance
Applications
  • Automatic Tuning and Optical Control
  • Gain and Offset Adjustment
  • Portable Instrumentation
  • Power Amplifier Control and Biasing
  • Process Control and Servo Loops
  • Programmable Voltage and Current Sources

Functional Diagram



  • Maxim Integrated
  • Semiconductors|Integrated Circuits|IC-Data Conversion