MAX5217

PRODUCTION

14-/16-Bit, Low-Power, Buffered Rail-to-Rail DACs with I²C Interface

Save Power and Board Space with Less than 80µA IQ and a 3mm x 5mm, 8-Pin µMAX Package

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Overview

  • Low-Power Consumption (80µA, max)
  • 18µs Settling Time
  • 16-/14-Bit Resolution in a 3mm x 5mm, 8-Pin µMAX Package
  • Relative Accuracy
    • ±0.4 LSB INL (MAX5215, 14 Bit) typ, 1 LSB (max)
    • ±1.2 LSB INL (MAX5217, 16 Bit) typ, 4 LSB (max)
  • Guaranteed Monotonic Over All Operating Range
  • Low Gain and Offset Error
  • Wide 2.7V to 5.5V Supply Range
  • Rail-to-Rail Buffered Output Operation
  • Safe Power-Up-Reset to Zero DAC Output
  • I²C-Compatible 400kHz Serial Interface
  • User-Programmable Active-Low AUX Input Functions
    • Active-Low CLR, Clear to 0, Midscale, or Full Scale
    • Active-Low LDAC, Asynchronous Load DAC
  • 256kΩ Reference Input Resistance for Low Power Operation
  • Buffered Voltage Output Directly Drives 10kΩ Loads
  • Output Power-Down Terminated with 1kΩ or 100kΩ to Ground or Left High-Impedance

The MAX5215/MAX5217 are pin-compatible 14-bit and 16-bit digital-to-analog converters (DACs). The MAX5215/MAX5217 are single-channel, low-powered, buffered voltage-output DACs. The devices use a precision external reference applied through the high resistance input for rail-to-rail operation and low system power consumption. The MAX5215/MAX5217 accept a wide 2.7V to 5.5V supply voltage range. Power consumption is extremely low to accommodate most low-power and low-voltage applications.

The MAX5215/MAX5217 have an I²C-compatible, 2-wire serial interface that operates at clock rates up to 400kHz. On power-up, the MAX5215/MAX5217 reset the DAC output to zero, providing additional safety for applications that drive valves or other transducers that need to be off on power-up. The DAC output is buffered resulting in a low supply current of 80µA (max) and a low offset error of ±0.25mV. An asynchronous active-low input, AUX, is provided. This input can be programmed to support clear or load DAC operations, independent of the serial interface. The MAX5215/MAX5217 are available in an ultra-small (3mm x 5mm), 8-pin µMAX® package and are specified over the -40°C to +105°C extended industrial temperature range.

Applications

  • Automatic Test Equipment
  • Automatic Tuning
  • Communication Systems
  • Data Acquisition
  • Gain and Offset Adjustment
  • Portable Instrumentation
  • Power Amplifier Control
  • Process Control and Servo Loops
  • Programmable Voltage and Current Sources
  • Remote Sensing

MAX5217
14-/16-Bit, Low-Power, Buffered Rail-to-Rail DACs with I²C Interface
MAX5215, MAX5217: Functional Block Diagram
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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Digital to Analog Converters (DACs) 3
MAX5216 PRODUCTION 14-/16-Bit, Low-Power, Buffered Output, Rail-to-Rail DACs with SPI Interface
MAX5214 PRODUCTION 14-/16-Bit, Low-Power, Buffered Output, Rail-to-Rail DACs with SPI Interface
MAX5318 PRODUCTION 18-Bit, High-Accuracy Voltage Output DAC with Digital Gain, Offset Control, and SPI Interface
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Tools & Simulations


Evaluation Kits

MAX5217EVKIT

Evaluation Kit for the MAX5215, MAX5217, and MAX5217B

Features and Benefits

  • Wide Input Supply Range: 2.7V to 5.5V
  • Low-Power Consumption (80µA max)
  • Rail-to-Rail Buffered Output
  • Configurable Active-Low AUX Pin for Asynchronous CLR or LDAC Operation
  • Selectable Output Termination: 1kΩ, 100kΩ, or High Impedance
  • Supports 14-Bit and 16-Bit DACs
  • Windows XP-, Windows Vista-, and Windows 7-Compatible Software
  • USB Powered (Cable Included)
  • Proven PCB Layout
  • Fully Assembled and Tested

Product Details

The MAX5217 evaluation kit (EV kit) demonstrates the MAX5217, 16-bit, single-channel, low-power, buffered voltage-output DAC. The IC comes in an 8-pin µMAX® package. The EV kit provides controls to change the DAC output and power operations.
The DAC IC is controlled by an on-board MAXQ® microcontroller that provides an I²C interface. The EV kit features Windows XP®-, Windows Vista®-, and Windows® 7-compatible software that provides a simple graphical user interface (GUI) for exercising the features of the device.
The EV kit comes with the MAX5217GUA+ (16-bit, ±4 LSB INL (max)) installed. Contact the factory for samples of the pin-compatible MAX5215GUA+ (14-bit, ±1 LSB INL (max)) and MAX5217BGUA+ (16-bit, ±8 LSB INL (max)) versions.

Applications

  • Automatic Test Equipment
  • Automatic Tuning
  • Communication Systems
  • Data Acquisition
  • Gain and Offset Adjustment
  • Portable Instrumentation
  • Power Amplifier Control
  • Process Control and Servo Loops
  • Programmable Voltage and Current Sources
  • Remote Sensing

MAX5217EVKIT
Evaluation Kit for the MAX5215, MAX5217, and MAX5217B

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