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Digital-to-analog converters (DACs)
Precision DACs (≤10 MSPS)

DAC8775

ACTIVE

16-Bit Quad-Channel Programmable Current-Output and Voltage-Output Digital-to-Analog Converter (DAC)

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Data sheet

DAC8775

ACTIVE
Data sheet Order now

Product details

Resolution (bps) 16 Number of DAC channels 4 Interface type SPI Output type Buffered Current, Buffered Voltage Output voltage range (V) -10 to 10, -12 to 12, -5 to 5, 0 to 10, 0 to 5, 0 to 6 INL (max) (±LSB) 12 Settling time (µs) 10 Reference type Ext, Int Architecture String Rating Catalog Features Integrated Buck Boost Converter, Low Power Sample/update rate (Msps) 0.033 Power consumption (typ) (mW) 530 Operating temperature range (°C) -40 to 125 Product type Special-function DAC
Resolution (bps) 16 Number of DAC channels 4 Interface type SPI Output type Buffered Current, Buffered Voltage Output voltage range (V) -10 to 10, -12 to 12, -5 to 5, 0 to 10, 0 to 5, 0 to 6 INL (max) (±LSB) 12 Settling time (µs) 10 Reference type Ext, Int Architecture String Rating Catalog Features Integrated Buck Boost Converter, Low Power Sample/update rate (Msps) 0.033 Power consumption (typ) (mW) 530 Operating temperature range (°C) -40 to 125 Product type Special-function DAC
VQFN (RWF) 72 100 mm² 10 x 10
  • Output Current:
    • 0 mA to 24 mA; 3.5 mA to 23.5 mA; 0 mA to 20 mA; 4 mA to 20 mA; ±24 mA
  • Output Voltage (with/without 20% over-range):
    • 0 V to 5 V; 0 V to 10 V; ±5 V; ±10 V
    • 0 V to 6 V; 0 V to 12 V; ±6 V; ±12 V
  • Adaptive Power Management
  • Single Wide Power Supply Pin (12 V – 36 V)
  • ±0.1% FSR Total Unadjusted Error (TUE)
  • DNL: ±1 LSB Max
  • Internal 5-V Reference (10 ppm/°C max)
  • Internal 5-V Digital Power Supply Output
  • CRC/Frame Error Check, Watchdog Timer
  • Thermal Alarm, Open/Short Circuit for System Reliability
  • Safe Actions on Alarm Condition
  • Auto Learn Load Detection
  • Wide Temperature Range: –40°C to +125°C
  • Output Current:
    • 0 mA to 24 mA; 3.5 mA to 23.5 mA; 0 mA to 20 mA; 4 mA to 20 mA; ±24 mA
  • Output Voltage (with/without 20% over-range):
    • 0 V to 5 V; 0 V to 10 V; ±5 V; ±10 V
    • 0 V to 6 V; 0 V to 12 V; ±6 V; ±12 V
  • Adaptive Power Management
  • Single Wide Power Supply Pin (12 V – 36 V)
  • ±0.1% FSR Total Unadjusted Error (TUE)
  • DNL: ±1 LSB Max
  • Internal 5-V Reference (10 ppm/°C max)
  • Internal 5-V Digital Power Supply Output
  • CRC/Frame Error Check, Watchdog Timer
  • Thermal Alarm, Open/Short Circuit for System Reliability
  • Safe Actions on Alarm Condition
  • Auto Learn Load Detection
  • Wide Temperature Range: –40°C to +125°C

The DAC8775 is a quad-channel precision, fully integrated, 16-bit, digital-to-analog converter (DAC) with adaptive power management, and is designed to meet the requirements of industrial control applications. The adaptive power management circuit, when enabled, minimizes the power dissipation of the chip. When programmed as a current output, the supply voltage on the current output driver is regulated between 4.5 V and 32 V based on continuous feedback of voltage on the current output pin via an integrated buck/boost converter. When programmed as a voltage output, this circuit generates a programmable supply voltage for the voltage output stage (±15 V). DAC8775 also contains an LDO to generate the digital supply (5 V) from a single power supply pin.

DAC8775 is also implemented with a Highway Addressable Remote Transducer (HART) Signal Interface to superimpose an external HART signal on the current output. The slew rate of the current output DAC is register programmable. The device can operate with a single external power supply of +12 V to +36 V using the integrated buck/boost converters or with external power supplies when the buck/boost converters are disabled.

The DAC8775 is a quad-channel precision, fully integrated, 16-bit, digital-to-analog converter (DAC) with adaptive power management, and is designed to meet the requirements of industrial control applications. The adaptive power management circuit, when enabled, minimizes the power dissipation of the chip. When programmed as a current output, the supply voltage on the current output driver is regulated between 4.5 V and 32 V based on continuous feedback of voltage on the current output pin via an integrated buck/boost converter. When programmed as a voltage output, this circuit generates a programmable supply voltage for the voltage output stage (±15 V). DAC8775 also contains an LDO to generate the digital supply (5 V) from a single power supply pin.

DAC8775 is also implemented with a Highway Addressable Remote Transducer (HART) Signal Interface to superimpose an external HART signal on the current output. The slew rate of the current output DAC is register programmable. The device can operate with a single external power supply of +12 V to +36 V using the integrated buck/boost converters or with external power supplies when the buck/boost converters are disabled.
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Technical documentation

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Type Title Date
* Data sheet DAC8775 Quad-Channel, 16-Bit Programmable Current Output and Voltage Output Digital-to-Analog Converter with Adaptive Power Management datasheet PDF | HTML 07 Feb 2017
Circuit design Programmable, two-stage, high-side current source circuit (Rev. A) PDF | HTML 19 Sep 2024
Application note A Basic Guide to the HART Protocol PDF | HTML 09 Nov 2023
Application brief Thermal Management to Increase Density in PLC AO Modules 12 Jun 2018
EVM User's guide DAC8775EVM User's Guide 02 Dec 2016

Design & development

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

Evaluation board

DAC8775EVM — DAC8775 Evaluation Module

The DAC8775 evaluation module (EVM) is an easy-to-use platform for evaluating the functionality and performance of the DAC8775 device. The DAC8775 is a 16-bit, quad-channel, programmable-current or voltage-output digital-to-analog converter (DAC) with adaptive power management. The EVM is a (...)

User guide: PDF
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Simulation model

DAC8775 IBIS Model

SLVMBZ7.ZIP (49 KB) - IBIS Model
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Calculation tool

ANALOG-ENGINEER-CALC — Analog engineer's calculator

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 operational-amplifier (...)
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Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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Simulation tool

TINA-TI — SPICE-based analog simulation program

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 (...)
User guide: PDF
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Reference designs

TIPD216 — Quad-Channel Industrial Voltage and Current Output Driver Reference Design (EMC/EMI Tested)

This quad-channel analog outputs module delivers voltage and current outputs using the highly integrated DAC8775 analog front-end. Integrated adaptive power management minimizes the power dissipation of the chip. Additionally, an external protection circuit is implemented to provide immunity to the (...)
Design guide: PDF
Schematic: PDF
Reference designs

TIPD215 — Less Than 1-W, Quad-Channel, Analog Output Module With Adaptive Power Management Reference Design

This quad-channel, analog output module delivers voltage and current outputs using the highly integrated DAC8775 digital-to-analog converter (DAC). Integrated adaptive power management, along with the LM5166 buck converter, reduces the total power dissipation of the reference design to less than 1 (...)
Design guide: PDF
Schematic: PDF
Package Pins CAD symbols, footprints & 3D models
VQFN (RWF) 72 Ultra Librarian
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