12-Bit Micro Power Digital-to-Analog Converter with Rail-to-Rail Output



Product details


Resolution (Bits) 12 DAC channels 1 Interface SPI Output type Buffered Voltage Settling time (µs) 12.5 Features Low Power Reference: type Ext Architecture String Rating Space Operating temperature range (C) -55 to 125, 25 to 25 open-in-new Find other Precision DACs (<=10MSPS)

Package | Pins | Size

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  • 5962R07726
    • Total Ionizing Dose 100 krad(Si)
    • Single Event Latch-up Immune 120 MeV-cm2/mg
    • Single Event Functional Interrupt Immune 120 MeV-cm2/mg (See Radiation Report)
  • Ensured Monotonicity
  • Low Power Operation
  • Rail-to-Rail Voltage Output
  • Power-On Reset to Zero Volts Output
  • SYNC Interrupt Facility
  • Wide Power Supply Range (2.7 V to 5.5 V)
  • Small Packages
  • Power-Down Feature
  • Key Specifications
    • Resolution: 12 Bits
    • DNL: +0.21, –0.10 LSB (Typical)
    • Output Settling Time: 12.5 µs (Typical)
    • Zero Code Error: 2.1 mV (Typical)
    • Full-Scale Error: –0.04% FS (Typical)
    • Power Dissipation
      • Normal Mode: 0.52 mW (3.6 V) and 1.19 mW (5.5 V) Typical
      • Power-Down Mode: 0.014 µW (3.6 V) and 0.033 µW (5.5 V) Typical
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The DAC121S101QML-SP device is a full-featured, general-purpose, 12-bit voltage-output digital-to-analog converter (DAC) that can operate from a single 2.7-V to 5.5-V supply and consumes just 177 µA of current at 3.6 V. The on-chip output amplifier allows rail-to-rail output swing and the three-wire serial interface operates at clock rates up to 20 MHz over the specified supply voltage range and is compatible with standard SPI, QSPI, MICROWIRE, and DSP interfaces.

The supply voltage for the DAC121S101QML-SP serves as its voltage reference, providing the widest possible output dynamic range. A power-on reset circuit ensures that the DAC output powers up to zero volts and remains there until there is a valid write to the device. A power-down feature reduces power consumption to less than a microWatt.

The low power consumption and small packages of the DAC121S101QML-SP make it an excellent choice for use in battery-operated equipment.

open-in-new Find other Precision DACs (<=10MSPS)

Technical documentation

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Type Title Date
* Datasheet DAC121S101QML-SP Radiation Hardened 12-Bit Micro Power Digital-to-Analog Converter With Rail-to-Rail Output datasheet (Rev. F) Jul. 29, 2016
More literature Preview: Radiation Handbook for Electronics (Rev. A) Jun. 07, 2019
Solution guides Radiation Handbook for Electronics (Rev. A) May 21, 2019
Selection guides TI Space Products (Rev. G) May 15, 2019
SMD DAC121S101QML-SP SMD 5962R0722602VZA Jun. 21, 2016
Application notes AN-2001 Daisy Chaining Precision DACs (Rev. A) May 01, 2013
More literature Die D/S DAC121S101MDR 12-Bit Micro Power DAC with Rail-to-Rail Sep. 06, 2012
Radiation & Reliability reports DAC121S101QML TID Report May 09, 2012
Radiation & Reliability reports DAC121S101WGRQV SET Analysis Paper May 09, 2012
Radiation & Reliability reports DAC121S101WGRQV SEE Report May 07, 2012
User guides DAC121S101CVAL 12-Bit Micro Power DAC with Rail-to-Rail Output User Guide Feb. 23, 2012

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

document-generic User guide

The DAC121S101CVAL Design Kit populated with a ceramic sample is designed to ease evaluation and design-in of the Texas Instrument DAC121S101WGRQV 12-bit Micro-Power Digital-to-Analog Converters with Rail-to-Rail Output. Replace with: The evaluation board can be used in Stand-Alone mode, suitable (...)

Design tools & simulation

SPICE-based analog simulation program
TINA-TI TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
document-generic User guide
Analog engineer's calculator
ANALOG-ENGINEER-CALC — The Analog Engineer’s Calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting op-amp gain with feedback (...)
  • Expedites circuit design with analog-to-digital converters (ADCs) and digital-to-analog converters (DACs)
    • Noise calculations
    • Common unit translation
  • Solves common amplifier circuit design problems
    • Gain selections using standard resistors
    • Filter configurations
    • Total noise for common amplifier configurations
  • (...)

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