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

DAC80508

ACTIVE

True 16-bit, 8-channel, SPI, voltage-output DAC with precision internal reference

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Data sheet

DAC80508

ACTIVE
Data sheet Order now

Product details

Resolution (Bits) 16 Number of DAC channels 8 Interface type SPI Output type Buffered Voltage Settling time (µs) 5 Features Small Size Reference type Int Architecture R-2R Rating Catalog Output range (max) (mA/V) 5 Output range (min) (mA/V) 0 Sample/update rate (Msps) 0.2 Power consumption (typ) (mW) 33 Operating temperature range (°C) -40 to 125
Resolution (Bits) 16 Number of DAC channels 8 Interface type SPI Output type Buffered Voltage Settling time (µs) 5 Features Small Size Reference type Int Architecture R-2R Rating Catalog Output range (max) (mA/V) 5 Output range (min) (mA/V) 0 Sample/update rate (Msps) 0.2 Power consumption (typ) (mW) 33 Operating temperature range (°C) -40 to 125
DSBGA (YZF) 16 4.8125 mm² 1.75 x 2.75 WQFN (RTE) 16 9 mm² 3 x 3
  • Performance
    • INL: ±1 LSB Maximum at 16-Bit Resolution
    • TUE: ±0.1% of FSR Maximum
  • Integrated 2.5 V Precision Internal Reference
    • Initial Accuracy: ±5 mV Maximum
    • Low Drift: 2 ppm/°C Typical, DAC80508
  • High Drive Capability: 20 mA with 0.5 V from Supply Rails
  • Flexible Output Configuration
    • User Selectable Gain: 2, 1 or ½
    • Reset to Zero Scale or Midscale
    • Clear Output Function: DACx0508C
  • Wide Operating Range
    • Power Supply: 2.7 V to 5.5 V
    • Temperature Range: –40˚C to 125˚C
  • 50 MHz SPI Compatible Serial Interface
    • 1.7 V to 5.5 V Operation
    • Daisy Chain Operation
    • CRC Error Check
  • Low Power: 0.6 mA/Channel at 5.5 V
  • Small Packages:
    • 3 mm × 3 mm, 16-Pin WQFN
    • 2.4 mm x 2.4 mm, 16-Pin DSBGA
  • Performance
    • INL: ±1 LSB Maximum at 16-Bit Resolution
    • TUE: ±0.1% of FSR Maximum
  • Integrated 2.5 V Precision Internal Reference
    • Initial Accuracy: ±5 mV Maximum
    • Low Drift: 2 ppm/°C Typical, DAC80508
  • High Drive Capability: 20 mA with 0.5 V from Supply Rails
  • Flexible Output Configuration
    • User Selectable Gain: 2, 1 or ½
    • Reset to Zero Scale or Midscale
    • Clear Output Function: DACx0508C
  • Wide Operating Range
    • Power Supply: 2.7 V to 5.5 V
    • Temperature Range: –40˚C to 125˚C
  • 50 MHz SPI Compatible Serial Interface
    • 1.7 V to 5.5 V Operation
    • Daisy Chain Operation
    • CRC Error Check
  • Low Power: 0.6 mA/Channel at 5.5 V
  • Small Packages:
    • 3 mm × 3 mm, 16-Pin WQFN
    • 2.4 mm x 2.4 mm, 16-Pin DSBGA

The DACx0508 is a pin-compatible family of low power, eight-channel, buffered voltage-output, digital-to-analog converters (DACs) with 16-, 14- and 12-bit resolution. The DACx0508 includes a 2.5-V, 5-ppm/°C internal reference, eliminating the need for an external precision reference in most applications. A user selectable gain configuration provides full-scale output voltages of 1.25 V (gain = ½), 2.5 V (gain = 1) or 5 V (gain = 2). The device operates from a single 2.7-V to 5.5-V supply, is specified monotonic and provides high linearity of ±1 LSB INL.

Communication to the DACx0508 is performed through a serial interface that operates at clock rates up to 50 MHz. The VIO pin enables serial interface operation from 1.7 V to 5.5 V. The DACx0508 flexible interface enables operation with a wide range of industry-standard microprocessors and microcontrollers.

The DACx0508 incorporates a power-on-reset circuit that powers up and maintains the DAC outputs at either zero scale or midscale until a valid code is written to the device. The device consumes low current of 0.6 mA/channel at 5.5 V, making it suitable for battery-operated equipment. A per-channel power-down feature reduces the device current consumption to 15 µA.

The DACx0508 is characterized for operation over the temperature range of –40°C to 125°C and is available in small packages.

The DACx0508 is a pin-compatible family of low power, eight-channel, buffered voltage-output, digital-to-analog converters (DACs) with 16-, 14- and 12-bit resolution. The DACx0508 includes a 2.5-V, 5-ppm/°C internal reference, eliminating the need for an external precision reference in most applications. A user selectable gain configuration provides full-scale output voltages of 1.25 V (gain = ½), 2.5 V (gain = 1) or 5 V (gain = 2). The device operates from a single 2.7-V to 5.5-V supply, is specified monotonic and provides high linearity of ±1 LSB INL.

Communication to the DACx0508 is performed through a serial interface that operates at clock rates up to 50 MHz. The VIO pin enables serial interface operation from 1.7 V to 5.5 V. The DACx0508 flexible interface enables operation with a wide range of industry-standard microprocessors and microcontrollers.

The DACx0508 incorporates a power-on-reset circuit that powers up and maintains the DAC outputs at either zero scale or midscale until a valid code is written to the device. The device consumes low current of 0.6 mA/channel at 5.5 V, making it suitable for battery-operated equipment. A per-channel power-down feature reduces the device current consumption to 15 µA.

The DACx0508 is characterized for operation over the temperature range of –40°C to 125°C and is available in small packages.
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Technical documentation

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Type Title Date
* Data sheet DACx0508 Octal, 16-, 14-, 12-Bit, SPI, Voltage Output DAC with Internal Reference datasheet (Rev. D) PDF | HTML 28 Aug 2018
EVM User's guide DAC80508-04 Evaluation Module User's Guide PDF | HTML 13 Nov 2023
Certificate DAC80508-04EVM EU Declaration of Conformity (DoC) 13 Nov 2023
White paper 設計準確且多功能的鋰離子 電池測試解決方案 10 Nov 2020
White paper Designing an Accurate, Multifunction Lithium-Ion Battery-Testing Solution 24 Sep 2020
Circuit design Circuit for differential output from a single-ended precision DAC 28 Jan 2019
Circuit design Circuit for offset adjustment of input signals using precision DAC 25 Jan 2019
Circuit design Programmable voltage output with sense connections circuit 07 Jan 2019
Circuit design Programmable, two-stage, high-side current source circuit 20 Dec 2018
Application note High-Density DACs Offer Superior Noise And Accuracy for Laser Drive Applications 02 Oct 2018
EVM User's guide DACx0508 Evaluation Module User's Guide (Rev. A) 23 Oct 2017
EVM User's guide DAC80508 Evaluation Module User's Guide 19 Jun 2017

Design & development

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

Evaluation board

DAC80508EVM — DAC80508 8-channel, true 16-bit, SPI, voltage-output DAC evaluation module

The DAC80508 evaluation module (EVM) is an easy-to-use platform for evaluating the functionality and performance of the DAC80508 device. DAC80508 is a 16-bit buffered voltage-output digital-to-analog converter (DAC). This device includes a 2.5-V, 5-ppm/°C internal reference and a (...)

User guide: PDF
Not available on TI.com
Simulation model

DACx0508 IBIS Model (Rev. D)

SLAM325D.ZIP (56 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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Design tool

SBAC228 — Source files for SBAA335

Supported products & hardware

Supported products & hardware

Products
Precision DACs (≤10 MSPS)
DAC80501 — True 16-bit, 1-ch, SPI/I2C, voltage-output DAC in WSON package with precision internal reference DAC80508 — True 16-bit, 8-channel, SPI, voltage-output DAC with precision internal reference DAC81416 — 16-channel 16-bit high-voltage output DAC with integrated internal reference
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Design tool

SBAM419 — Source Files for SBAA344

Supported products & hardware

Supported products & hardware

Products
High-speed op amps (GBW ≥ 50 MHz)
OPA365 — 2.2V, 50MHz, Low-Noise, Single-Supply Rail-to-Rail Operational Amplifier
Precision DACs (≤10 MSPS)
DAC80501 — True 16-bit, 1-ch, SPI/I2C, voltage-output DAC in WSON package with precision internal reference DAC80508 — True 16-bit, 8-channel, SPI, voltage-output DAC with precision internal reference DAC8562 — 16-bit, dual-channel, low-power, ultra-low glitch, voltage output DAC with 2.5V, 4ppm/°C reference
Precision op amps (Vos<1mV)
OPA320 — Precision, zero-crossover, 20-MHz, 0.9-pA Ib, RRIO, CMOS operational amplifier
Download
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
View options
Reference designs

TIDA-01525 — 8-channel, 16-bit, 200mA current output DAC reference design

This reference design combines the small size and high performance of the DAC80508 8-channel, 16-bit digital-to-analog converter (DAC) with precision op-amps to create a high-density and accurate current-source solution. The reference design has an maximum output current of 200 mA and allows for a (...)
Design guide: PDF
Schematic: PDF
Reference designs

TIDA-01583 — Ultra-Low Noise Bias Voltage Reference Design for Microbolometer Detectors in Thermal Cameras

Uncooled microbolometer detectors require accurate and ultra-low noise bias voltages for their operation. Such requirements cannot be simply met by switching power supplies, LDO or DAC outputs. Enabled by Texas Instruments’ precision DAC, low noise precision amplifier and high PSRR, low (...)
Design guide: PDF
Schematic: PDF
Package Pins Download
DSBGA (YZF) 16 View options
WQFN (RTE) 16 View options
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