MAX5111
9-Channel, 14-Bit, Current DAC with
I²C Interface
Industry's First Multichannel Current-Output DAC Optimized to
Bias Fiber Optic Tunable Laser Sources
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OVERVIEW
Description
The MAX5111 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 device contains an internal
reference.
An I²C compatible interface drives the device with clock rates of up to
400kHz. 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 MAX5111 is specified over a temperature range of -40°C to
+105°C and are available in 3mm x 3mm 36-bump WLP and 5mm x
5mm 32-pin TQFN packages.
Key Features
• Low 3.0V Supply
Applications/Uses
• Tunable Laser
Diode Biasing
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