LTC2751

PRODUCTION

Current Output 12-/14-/16-Bit SoftSpan DACs with Parallel I/O

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Overview

  • Six Programmable Output Ranges
    • Unipolar: 0V to 5V, 0V to 10V
    • Bipolar: ±5V, ±10V, ±2.5V, –2.5V to 7.5V
  • Maximum 16-Bit INL Error: ±1 LSB over Temperature
  • Low 1µA (Maximum) Supply Current
  • Guaranteed Monotonic over Temperature
  • Low Glitch Impulse 1nV • s
  • 2.7V to 5.5V Single Supply Operation
  • 2µs Settling Time to ±1 LSB
  • Reference Input: ±15V
  • Parallel Interface with Readback of All Registers
  • Asynchronous CLR Pin Clears DAC Output to 0V in Any Output Range
  • Power-On Reset to 0V
  • 38-Pin 5mm × 7mm QFN Package

The LTC2751 is a family of 12-, 14-, and 16-bit multiplying parallel-input, current-output DACs. They operate from a single 2.7V to 5.5V supply. All parts are guaranteed monotonic over temperature. The LTC2751A-16 provides 16-bit performance (±1LSB INL and DNL) overtemperature without any adjustments. These SoftSpan™ DACs offer six output ranges — two unipolar and four bipolar — that can be programmed through the parallel interface, or pin strapped for operation in a single range.

These parts use a bidirectional input/output parallel interface that allows read back of any on-chip register. A power-on circuit resets the DAC output to 0V when power is initially applied. A logic low on the CLR pin asynchronously clears the DAC to 0V in any output range.

The parts are specified over commercial and industrial temperature ranges.

Applications

  • High Resolution Offset and Gain Adjustment
  • Process Control and Industrial Automation
  • Automatic Test Equipment
  • Data Acquisition Systems
LTC2751
Current Output 12-/14-/16-Bit SoftSpan DACs with Parallel I/O
16-Bit DAC with Software Selectable Ranges LTC2751-16 Integral Nonlinearity Product Package 1 Product Package 2 Product Package 3
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Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Data Sheet

This is the most up-to-date revision of the Data Sheet.

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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Matched Resistors & Transistors 1
LT5400
RECOMMENDED FOR NEW DESIGNS Quad Matched Resistor Network
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Evaluation Kits

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schematic 1
DC1110A

LTC2751-16: 16-bit, Single, SoftSpan, 1LSB INL IOUT DAC, requires DC590

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Product Details

DC1110A - Demo Board for:
LTC2751-16 - Current Output 16-Bit SoftSpan DACs with Parallel I/O
DC1110A
LTC2751-16: 16-bit, Single, SoftSpan, 1LSB INL IOUT DAC, requires DC590
DC1110A - Schematic

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