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DAC7551
  • DAC7551
  • DAC7551

DAC7551

ACTIVE

12-Bit, Ultralow Glitch, Voltage Output Digital to Analog Converter

Texas Instruments DAC7551 Product Info

1 April 2026 4

Parameters

Resolution (Bits)

12

Number of DAC channels

1

Interface type

SPI

Output type

Buffered Voltage

Output voltage range (V)

0 to 5.5

INL (max) (±LSB)

1

Settling time (µs)

5

Reference type

Ext

Architecture

String

Rating

Catalog

Sample/update rate (Msps)

0.5

Power consumption (typ) (mW)

0.27

Operating temperature range (°C)

-40 to 105

Product type

General-purpose DAC

Package

USON (DRN)-12-6 mm² 3 x 2

Features

  • Relative Accuracy (INL): ±0.35LSB
  • Ultra-Low Glitch Energy: 0.1nV-s
  • Low Power Operation: 100µA at 2.7V
  • Power-On Reset to Zero Scale
  • Power Supply: 2.7V to 5.5V Single Supply
  • Power-Down: 0.05µA at 2.7V
  • 12-Bit Linearity and Monotonicity
  • Rail-to-Rail Voltage Output
  • Settling Time: 5µs (Max)
  • SPI-Compatible Serial Interface with Schmitt-Trigger Input: Up to 50MHz
  • Daisy-Chain Capability
  • Asynchronous Hardware Clear to Zero Scale
  • Specified Temperature Range: -40°C to +105°C
  • Small, 2 x 3 mm, 12-Lead SON Package
  • APPLICATIONS
    • Portable, Battery-Powered Instruments
    • Digital Gain and Offset Adjustment
    • Programmable Voltage and Current Sources
    • Programmable Attenuators
    • Industrial Process Control

SPI, QSPI are trademarks of Motorola, Inc.
Microwire is a trademark of National Semiconductor Corp..
All other trademarks are the property of their respective owners.

  • Relative Accuracy (INL): ±0.35LSB
  • Ultra-Low Glitch Energy: 0.1nV-s
  • Low Power Operation: 100µA at 2.7V
  • Power-On Reset to Zero Scale
  • Power Supply: 2.7V to 5.5V Single Supply
  • Power-Down: 0.05µA at 2.7V
  • 12-Bit Linearity and Monotonicity
  • Rail-to-Rail Voltage Output
  • Settling Time: 5µs (Max)
  • SPI-Compatible Serial Interface with Schmitt-Trigger Input: Up to 50MHz
  • Daisy-Chain Capability
  • Asynchronous Hardware Clear to Zero Scale
  • Specified Temperature Range: -40°C to +105°C
  • Small, 2 x 3 mm, 12-Lead SON Package
  • APPLICATIONS
    • Portable, Battery-Powered Instruments
    • Digital Gain and Offset Adjustment
    • Programmable Voltage and Current Sources
    • Programmable Attenuators
    • Industrial Process Control

SPI, QSPI are trademarks of Motorola, Inc.
Microwire is a trademark of National Semiconductor Corp..
All other trademarks are the property of their respective owners.

Description

The DAC7551 is a single-channel, voltage-output digital-to-analog converter (DAC) with exceptional linearity and monotonicity, and a proprietary architecture that minimizes glitch energy. The low-power DAC7551 operates from a single 2.7V to 5.5V supply. The DAC7551 output amplifiers can drive a 2k, 200pF load rail-to-rail with 5µs settling time; the output range is set using an external voltage reference.

The 3-wire serial interface operates at clock rates up to 50MHz and is compatible with SPI™, QSPI™, Microwire™, and DSP interface standards. The parts incorporate a power-on-reset circuit to ensure that the DAC output powers up to 0V and remains there until a valid write cycle to the device takes place. The part contains a power-down feature that reduces the current consumption of the device to under 2µA.

Small size and low-power operation make the DAC7551 ideally suited for battery-operated, portable applications. The power consumption is typically 0.5mW at 5V, 0.23mW at 3V, and reduces to 1µW in power-down mode.

The DAC7551 is available in a 12-lead SON package and is specified over -40°C to +105°C.

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