Product details

Resolution (Bits) 16 Sample rate (max) (ksps) 1000 Number of input channels 1 Interface type SPI Architecture SAR Input type Single-ended Rating Catalog Reference mode External Input voltage range (max) (V) 5 Input voltage range (min) (V) 0 Features Daisy-Chainable, Oscillator, Small Size Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 5.5 Analog supply voltage (min) (V) 2.7 Analog supply voltage (max) (V) 3.6 SNR (dB) 93 Digital supply (min) (V) 1.65 Digital supply (max) (V) 3.6
Resolution (Bits) 16 Sample rate (max) (ksps) 1000 Number of input channels 1 Interface type SPI Architecture SAR Input type Single-ended Rating Catalog Reference mode External Input voltage range (max) (V) 5 Input voltage range (min) (V) 0 Features Daisy-Chainable, Oscillator, Small Size Operating temperature range (°C) -40 to 85 Power consumption (typ) (mW) 5.5 Analog supply voltage (min) (V) 2.7 Analog supply voltage (max) (V) 3.6 SNR (dB) 93 Digital supply (min) (V) 1.65 Digital supply (max) (V) 3.6
VSON (DRC) 10 9 mm² (3 mm × 3 mm) VSSOP (DGS) 10 14.7 mm² (3 mm × 4.9 mm)
  • Sample rate: 1 MHz
  • No latency output
  • Unipolar, single-ended input range:
    0 to +VREF
  • SPI™-compatible serial interface with
    daisy-chain option
  • Excellent AC and DC performance:
    • SNR: 93 dB, THD: –108 dB
    • INL: ±1.0 LSB (typ), ±2.0 LSB (max)
    • DNL: ±1.0 LSB (max), 16-bit NMC
  • Wide operating range:
    • AVDD: 2.7 V to 3.6 V
    • DVDD: 1.65 V to 3.6 V
      (independent of AVDD)
    • REF: 2.5 V to 5 V (independent of AVDD)
    • Operating temperature: –40°C to +85°C
  • Low-power dissipation:
    • 5.5 mW at 1 MSPS
    • 0.55 mW at 100 kSPS
    • 55 µW at 10 kSPS
  • Power-down current (AVDD): 50 nA
  • Full-scale step settling to 16 Bits: 290 ns
  • Packages: VSSOP-10 and VSON-10
  • Sample rate: 1 MHz
  • No latency output
  • Unipolar, single-ended input range:
    0 to +VREF
  • SPI™-compatible serial interface with
    daisy-chain option
  • Excellent AC and DC performance:
    • SNR: 93 dB, THD: –108 dB
    • INL: ±1.0 LSB (typ), ±2.0 LSB (max)
    • DNL: ±1.0 LSB (max), 16-bit NMC
  • Wide operating range:
    • AVDD: 2.7 V to 3.6 V
    • DVDD: 1.65 V to 3.6 V
      (independent of AVDD)
    • REF: 2.5 V to 5 V (independent of AVDD)
    • Operating temperature: –40°C to +85°C
  • Low-power dissipation:
    • 5.5 mW at 1 MSPS
    • 0.55 mW at 100 kSPS
    • 55 µW at 10 kSPS
  • Power-down current (AVDD): 50 nA
  • Full-scale step settling to 16 Bits: 290 ns
  • Packages: VSSOP-10 and VSON-10

The ADS8860 is a 16-bit, 1-MSPS, single-ended input, analog-to-digital converter (ADC). The device operates with a 2.5-V to 5-V external reference, offering a wide selection of signal ranges without additional input signal scaling. The reference voltage setting is independent of, and can exceed, the analog supply voltage (AVDD).

The device offers an SPI-compatible serial interface that also supports daisy-chain operation for cascading multiple devices. An optional busy-indicator bit makes synchronizing with the digital host easy.

The device supports unipolar single-ended analog inputs in the range of –0.1 V to VREF + 0.1 V.

Device operation is optimized for very low-power operation. Power consumption directly scales with speed. This feature makes the ADS8860 excellent for lower-speed applications.

The ADS8860 is a 16-bit, 1-MSPS, single-ended input, analog-to-digital converter (ADC). The device operates with a 2.5-V to 5-V external reference, offering a wide selection of signal ranges without additional input signal scaling. The reference voltage setting is independent of, and can exceed, the analog supply voltage (AVDD).

The device offers an SPI-compatible serial interface that also supports daisy-chain operation for cascading multiple devices. An optional busy-indicator bit makes synchronizing with the digital host easy.

The device supports unipolar single-ended analog inputs in the range of –0.1 V to VREF + 0.1 V.

Device operation is optimized for very low-power operation. Power consumption directly scales with speed. This feature makes the ADS8860 excellent for lower-speed applications.

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Technical documentation

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* Data sheet ADS8860 16-bit, 1-MSPS, serial interface, micropower, miniature, single-ended input, SAR analog-to-digital converter datasheet (Rev. B) PDF | HTML Feb 27, 2019
Circuit design Circuit for driving a switched-capacitor SAR ADC w/ a buffered instrument amp (Rev. B) PDF | HTML Sep 24, 2024
Circuit design Circuit for protecting low-voltage SAR ADC from electrical overstress with minim (Rev. A) PDF | HTML Sep 19, 2024
Circuit design Circuit to drive a switched capacitor reference input for high-precision devices (Rev. A) PDF | HTML Sep 19, 2024
Circuit design Inverting circuit for high-to-low voltage level translation to drive ADC (Rev. A) PDF | HTML Sep 19, 2024
Circuit design Noninverting circuit for high-to-low voltage level translation to drive ADC (Rev. A) PDF | HTML Sep 19, 2024
Circuit design Circuit for driving a high-voltage SAR with an instrumentation amplifier (Rev. A) PDF | HTML Sep 18, 2024
Circuit design Circuit for driving a switched-capacitor SAR ADC with an instrumentation amp (Rev. B) PDF | HTML Sep 17, 2024
Circuit design Charge pump circuit (–0.3V) for negative amplifier supply (Rev. A) PDF | HTML Aug 21, 2024
Product overview Bridge Sensor Solution (Rev. A) PDF | HTML Jan 27, 2023
Application brief Understanding and Using SAR ADC SPICE Micromodel PDF | HTML Nov 23, 2021
Analog design Journal Optimizing input and output transient settling times in amplifier circuits PDF | HTML Nov 18, 2021
More literature TI Precision Labs Pro – Session 5 Files Aug 2, 2018
More literature TI Precision Labs Pro – Session 6 Files Aug 2, 2018
More literature TI Precision Labs Pro – Session 4 Files Jun 12, 2018
More literature TI Precision Labs Pro – Session 3 Files Apr 20, 2018
More literature TI Precision Labs Pro – Session 2 Files (Rev. A) Apr 20, 2018
More literature TI Precision Labs Pro – Session 1 Files (Rev. B) Mar 5, 2018
White paper Voltage-reference impact on total harmonic distortion Aug 1, 2016
E-book Best of Baker's Best: Precision Data Converters -- SAR ADCs May 21, 2015

Design & development

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

Evaluation board

ADS8860EVM-PDK — ADS8860 16-bit, 1-MSPS, 1-channel SAR ADC evaluation module performance demonstration kit (PDK)

The ADS8860 evaluation module (EVM) performance demonstration kit (PDK) is an platform for evaluating the ADS8860 product, which is a successive approximation register (SAR) analog-to-digital converter (ADC).

The evaluation kit includes the ADS8860 evaluation board, precision host interface (PHI) (...)

User guide: PDF | HTML
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Evaluation board

PLABS-SAR-EVM-PDK — TI Precision Labs SAR ADC Evaluation Module Performance Demonstration Kit (PDK)

PLABS-SAR-EVM-PDK is an experimental platform used in conjunction with TI Precision Labs videos to gain a deeper understanding of successive approximation register (SAR) analog-to-digital converter (ADC) circuits. The evaluation module (EVM) platform contains two channels for common SAR (...)

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Support software

SBAC182 — Source files for SBAA245

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Support software

SBAC184 — Source Files for SBAA277

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Support software

SBAC249 — Source Files for SBAA372

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Support software

SBAC250 — Source Files for SBAA374

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Support software

SBAC251 — Source files for SBAA375

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Simulation model

ADS8860 PSpice Model (Rev. C)

SBAM454C.ZIP (1413 KB) - PSpice model
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Simulation model

ADS8860 TINA-TI Reference Design (Rev. A)

SBAM179A.ZIP (90 KB) - TINA-TI reference design
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Simulation model

ADS8881 IBIS Model

SBAM172.ZIP (35 KB) - IBIS model
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Calculation tool

ANALOG-ENGINEER-CALC — PC software 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

ADC-DAC-TO-VREF-SELECT-DESIGN-TOOL — The ADC-TO-VREF-SELECT tool enables the pairing of TI ADCs, DACs, and series voltage references.

The ADC-TO-VREF-SELECT tool enables the pairing of TI analog-to-digital converters (ADCs) and series voltage references. Users can select an ADC device and the desired reference voltage, and the tool will list up to two voltage reference recommendations.
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Reference design

TIPD149 — Power-optimized 16-bit 1MSPS Data Acquisition Block for Lowest Distortion and Noise Reference Design

This TI Verified Design is the realization of a high precision, 16-bit 1MSPS data acquisition system suitable for applications such as digital audio that require front-ends with very low distortion and noise. The circuit uses a high performance Successive Approximation Register Analog to Digital (...)

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Reference design

TIPD169 — 16-Bit, 1MSPS Multiplexed Data Acquisition Reference Design

This design is for a 16-bit 1MSPS single-ended, multiplexed data acquisition system (DAQ) for dc inputs. The system is composed of a 16-bit successive-approximation-register (SAR) analog-to-digital converter (ADC), SAR ADC driver, reference driver, and multiplexer. The design shows the process to (...)

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Reference design

TIPD173 — 16 bit 1MSPS Data Acquisition Reference Design for Single-Ended Multiplexed Applications

This TI Precision Verified Design details a systematic design methodology for a 16 bit, 1MSPS, single-ended data acquisition (DAQ) block optimized to achieve excellent settling time, power consumption, static performance and dynamic performance for multiplexed applications.  The design (...)

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Package Pins CAD symbols, footprints & 3D models
VSON (DRC) 10 Ultra Librarian
VSSOP (DGS) 10 Ultra Librarian

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