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DAC1221
  • DAC1221
  • DAC1221

DAC1221

ACTIVE

16-Bit Delta-Sigma Low Power Digital-To-Analog Converter

Texas Instruments DAC1221 Product Info

1 April 2026 3

Parameters

Resolution (Bits)

16

Number of DAC channels

1

Interface type

SPI

Output type

Unbuffered Voltage

Output voltage range (V)

0 to 5.5

INL (max) (±LSB)

2

Settling time (µs)

2000

Reference type

Ext

Architecture

Delta-Sigma

Rating

Catalog

Sample/update rate (Msps)

0.0005

Power consumption (typ) (mW)

1.2

Operating temperature range (°C)

-40 to 85

Product type

Precision DAC

Package

SSOP (DBQ)-16-29.4 mm² 4.9 x 6

Features

  • 16-BIT MONOTONICITY GUARANTEED
    OVER –40°C TO +85°C
  • LOW POWER: 1.2mW
  • VOLTAGE OUTPUT
  • SETTLING TIME: 2ms to 0.012%
  • MAX LINEARITY ERROR: 30ppm
  • ON-CHIP CALIBRATION
  • 16-BIT MONOTONICITY GUARANTEED
    OVER –40°C TO +85°C
  • LOW POWER: 1.2mW
  • VOLTAGE OUTPUT
  • SETTLING TIME: 2ms to 0.012%
  • MAX LINEARITY ERROR: 30ppm
  • ON-CHIP CALIBRATION

Description

The DAC1221 is a Digital-to-Analog (D/A) converter offering 16-bit monotonic performance over the specified temperature range. It utilizes delta-sigma technology to achieve inherently linear performance in a small package at very low power. The output range is two times the external reference voltage. On-chip calibration circuitry dramatically reduces offset and gain errors.

The DAC1221 features a synchronous serial interface. In single converter applications, the serial interface can be accomplished with just two wires, allowing low-cost isolation. For multiple converters, a CS signal allows for selection of the appropriate D/A converter.

The DAC1221 has been designed for closed-loop control applications in the industrial process control market, and high resolution applications in the test and measurement market. It is also ideal for remote applications, battery-powered instruments, and isolated systems. The DAC1221 is available in a SSOP-16 package.

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