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Analog-Digital-Wandler (ADCs)
Präzisions-ADCs

ADS8860

AKTIV

1-Kanal-SAR-ADC, 16-Bit, 1 MSPS, mit unsymmetrischem Eingang, SPI und Daisy-Chain

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Datenblatt

ADS8860

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

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 (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 (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 x 3 VSSOP (DGS) 10 14.7 mm² 3 x 4.9
  • 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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Technische Dokumentation

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Typ Titel Datum
* Data sheet ADS8860 16-bit, 1-MSPS, serial interface, micropower, miniature, single-ended input, SAR analog-to-digital converter datasheet (Rev. B) PDF | HTML 27 Feb 2019
Product overview Bridge Sensor Solution (Rev. A) PDF | HTML 27 Jan 2023
Application brief Understanding and Using SAR ADC SPICE Micromodel PDF | HTML 23 Nov 2021
Analog Design Journal Optimizing input and output transient settling times in amplifier circuits PDF | HTML 18 Nov 2021
EVM User's guide ADS8860EVM-PDK User's Guide (Rev. A) PDF | HTML 08 Jul 2020
Circuit design Circuit to drive a switched capacitor reference input for high-precision devices 17 Jun 2019
Circuit design Charge pump circuit (–0.3V) for negative amplifier supply 16 Jun 2019
Circuit design Noninverting circuit for high-to-low voltage level translation to drive ADC 16 Jun 2019
Circuit design Inverting circuit for high-to-low voltage level translation to drive ADC 15 Jun 2019
Circuit design Circuit for protecting low-voltage SAR ADC from electrical overstress with minim 25 Mai 2019
Circuit design Circuit for driving a switched-capacitor SAR ADC w/ a buffered instrument amp (Rev. A) 08 Mär 2019
Circuit design Circuit for driving a switched-capacitor SAR ADC with an instrumentation amp (Rev. A) 07 Mär 2019
Circuit design Circuit for driving a high-voltage SAR with an instrumentation amplifier 04 Okt 2018
More literature TI Precision Labs Pro – Session 5 Files 02 Aug 2018
More literature TI Precision Labs Pro – Session 6 Files 02 Aug 2018
More literature TI Precision Labs Pro – Session 4 Files 12 Jun 2018
More literature TI Precision Labs Pro – Session 2 Files (Rev. A) 20 Apr 2018
More literature TI Precision Labs Pro – Session 3 Files 20 Apr 2018
More literature TI Precision Labs Pro – Session 1 Files (Rev. B) 05 Mär 2018
White paper Voltage-reference impact on total harmonic distortion 01 Aug 2016
E-book Best of Baker's Best: Precision Data Converters -- SAR ADCs 21 Mai 2015

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