MAX5112

PRODUCTION

9-Channel, 14-Bit, Current DAC with I²C Interface

Multichannel Current-Output DAC Optimized to Bias Fiber Optic Tunable Laser Sources

Data Sheet (Rev. 2) Product Selection Table
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Overview

  • Low 3.0V Supply
  • Integrated Multiplexers for Outputs 1 and 2
  • Increased Current or Resolution with Outputs Connected in Parallel
  • I²C-Compatible Serial Interface
  • Internal Reference
  • Overtemperature Protection
  • -40°C to +105°C Temperature Range
  • Available in 36-Bump WLP or 32-Pin TQFN Packages

The MAX5112 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 MAX5112 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.

Applications

  • Tunable Laser Diode Biasing
MAX5112
9-Channel, 14-Bit, Current DAC with I²C Interface
MAX5112 Functional Diagram MAX5112 Circuit Diagram MAX5112 Pin Configurations
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Documentation

Data Sheet 1

Reliability Data 1

Design Note 2

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Digital to Analog Converters (DACs) 3
MAX5110
Obsolete 9-Channel, 14-Bit Current DAC with SPI Interface
MAX5111
Obsolete 9-Channel, 14-Bit, Current DAC with I²C Interface
MAX5113
PRODUCTION 9-Channel, 14-Bit Current DAC with SPI Interface
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Evaluation Kits

MAX5113EVKIT

Evaluation Kit for the MAX5112/MAX5113/MAX5832

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Features and Benefits

  • On-Board +3.0V Regulator Accepts +5.5V to +3.35V Supply Range
  • On-Board -5.2V Regulator Accepts -6.5V to -5.24V Supply Range
  • Windows XP, Windows Vista, Windows 7, and Windows 10-Compatible Software
  • USB-PC Connection (Cable Included)
  • On-Board Diode and Resistive Loads
  • SPI™ Interface Terminals (MAX5113)
  • I2C Interface Terminals (MAX5112/MAX5832)
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX5113 evaluation kit (EV kit) provides a proven design to evaluate the MAX5113 9-channel, 14-bit current DAC. The EV kit also includes Windows XP®-, Windows Vista®-, Windows® 7, and Windows 10-compatible software that provides a simple graphical user interface (GUI) for exercising the features of the device.

The EV kit comes with a MAX5113GTJ+ installed. Contact the factory for free samples of the pin-compatible MAX5112GTJ+ or MAX5832GWX+ to evaluate these devices.

Applications

  • Tunable Laser Diode Biasing
MAX5113EVKIT
Evaluation Kit for the MAX5112/MAX5113/MAX5832

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