MAX5110
9-Channel, 14-Bit Current DAC with SPI Interface
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Industry’s First Multichannel Current-Output DAC Optimized to Bias Fiber Optic Tunable Laser Sources
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Features
- Low 3.0V Supply
- Integrated Multiplexers for Outputs 1 and 2
- Increased Current or Resolution with Outputs Connected in Parallel
- SPI-Compatible Serial Interface
- Internal Reference
- Overtemperature Protection
- Operates Over the -40°C to +105°C Temperature Range
- Available in 36-Bump WLP or 32-Pin TQFN Packages
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The MAX5110 is a 14-bit, 9-channel, current output digital-to-analog converter (DAC). The device operates from a low +3.0V power supply and provides 14-bit performance without any adjustment.
The device's output ranges are optimized to bias a high-power tunable laser source. Each of the 9 channels provides a current source. Connect DAC outputs in parallel to obtain additional current or to achieve higher resolution. The MAX5110 contains an internal reference.
An SPI™ interface drives the device with clock rates up to 25MHz. An active-high asynchronous CLR input resets DAC codes to zero independent of the serial interface. The device provides a separate power-supply input for driving the interface logic.
The MAX5110 is specified over a temperature range of -40°C to +105°C and are available in 3mm x 3mm 36-WLP and 5mm x 5mm 32-TQFN packages.
Applications
- Tunable Laser Diode Biasing
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MAX5110
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