Produktdetails

Resolution (Bits) 16 Sample rate (max) (ksps) 250 Number of input channels 8 Interface type SPI Architecture SAR Input type Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 5.5 Input voltage range (min) (V) 0 Features Daisy-Chainable, GPIO, Small Size Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 4 Analog supply voltage (min) (V) 3 Analog supply voltage (max) (V) 5.5 SNR (dB) 86 Digital supply (min) (V) 1.65 Digital supply (max) (V) 5.5
Resolution (Bits) 16 Sample rate (max) (ksps) 250 Number of input channels 8 Interface type SPI Architecture SAR Input type Single-ended Multichannel configuration Multiplexed Rating Catalog Reference mode External, Internal Input voltage range (max) (V) 5.5 Input voltage range (min) (V) 0 Features Daisy-Chainable, GPIO, Small Size Operating temperature range (°C) -40 to 125 Power consumption (typ) (mW) 4 Analog supply voltage (min) (V) 3 Analog supply voltage (max) (V) 5.5 SNR (dB) 86 Digital supply (min) (V) 1.65 Digital supply (max) (V) 5.5
DSBGA (YBH) 16 2.56 mm² 1.6 x 1.6 WQFN (RTE) 16 9 mm² 3 x 3
  • Small solution size:
    • DSBGA and WQFN packages
    • Space-saving, capless, 2.5-V internal reference
  • 8 channels configurable as any combination of:
    • Up to 8 analog inputs, digital inputs, or digital outputs
  • Programmable averaging filters:
    • Programmable sample size for averaging
    • Averaging with internal conversions
    • 20-bit resolution for average output
  • Low-leakage multiplexer with channel sequencer:
    • Manual mode, on-the-fly mode, and auto-sequence mode
  • Excellent AC and DC performance:
    • SNR: 91.9 dB, THD: –100 dB
    • Improved SNR with programmable averaging filters
    • INL: ±1 LSB, 16-bit no missing codes
    • Internal calibration improves offset and drift
    • 250 kSPS sample rate with no latency
  • Wide operating range:
    • ADC input range: 0 V to V REF and 2 × V REF
    • Analog supply: 3 V to 5.5 V
    • Digital supply: 1.65 V to 5.5 V
    • Temperature range: –40°C to +125°C
  • Enhanced-SPI digital interface:
    • High-speed, 60-MHz SPI
  • Small solution size:
    • DSBGA and WQFN packages
    • Space-saving, capless, 2.5-V internal reference
  • 8 channels configurable as any combination of:
    • Up to 8 analog inputs, digital inputs, or digital outputs
  • Programmable averaging filters:
    • Programmable sample size for averaging
    • Averaging with internal conversions
    • 20-bit resolution for average output
  • Low-leakage multiplexer with channel sequencer:
    • Manual mode, on-the-fly mode, and auto-sequence mode
  • Excellent AC and DC performance:
    • SNR: 91.9 dB, THD: –100 dB
    • Improved SNR with programmable averaging filters
    • INL: ±1 LSB, 16-bit no missing codes
    • Internal calibration improves offset and drift
    • 250 kSPS sample rate with no latency
  • Wide operating range:
    • ADC input range: 0 V to V REF and 2 × V REF
    • Analog supply: 3 V to 5.5 V
    • Digital supply: 1.65 V to 5.5 V
    • Temperature range: –40°C to +125°C
  • Enhanced-SPI digital interface:
    • High-speed, 60-MHz SPI

The ADS7066 is a small, 16-bit, 8-channel, high-precision successive-approximation register (SAR) analog-to-digital converter (ADC). The ADS7066 has an integrated capless reference and a reference buffer that helps reduce the overall solution size by requiring fewer external components. The device family includes the ADS7067 (800 kSPS) and the ADS7066 (250 kSPS) speed variants.

The ADS7066 features built-in offset calibration for improved accuracy over wide operating conditions of the system. The programmable averaging filters enable higher resolution measurement. The eight channels of the ADS7066 can be individually configured as analog inputs, digital inputs, or digital outputs that simplify circuit design for mixed signal feedback and digital control.

The enhanced-SPI enables the ADS7066 in achieving high throughput at lower clock speeds, thereby simplifying the board layout and lowering system cost. The ADS7066 features a cyclic redundancy check (CRC) for data read and write operations and the power-up configuration.

The ADS7066 is a small, 16-bit, 8-channel, high-precision successive-approximation register (SAR) analog-to-digital converter (ADC). The ADS7066 has an integrated capless reference and a reference buffer that helps reduce the overall solution size by requiring fewer external components. The device family includes the ADS7067 (800 kSPS) and the ADS7066 (250 kSPS) speed variants.

The ADS7066 features built-in offset calibration for improved accuracy over wide operating conditions of the system. The programmable averaging filters enable higher resolution measurement. The eight channels of the ADS7066 can be individually configured as analog inputs, digital inputs, or digital outputs that simplify circuit design for mixed signal feedback and digital control.

The enhanced-SPI enables the ADS7066 in achieving high throughput at lower clock speeds, thereby simplifying the board layout and lowering system cost. The ADS7066 features a cyclic redundancy check (CRC) for data read and write operations and the power-up configuration.

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Technische Dokumentation

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* Data sheet ADS7066 Small, 8-Channel, 16-Bit, 250-kSPS SAR ADC With GPIOs datasheet (Rev. C) PDF | HTML 15 Sep 2023
Product overview High Speed Amplifiers for In-Vitro Diagnostics (IVD) Analog Front End PDF | HTML 10 Apr 2025
Application brief Implementation of CRC for ADS7066 PDF | HTML 20 Aug 2020
Application brief Resolution-Boosting ADS7066 Using Programmable Averaging Filter PDF | HTML 27 Apr 2020

Design und Entwicklung

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Evaluierungsplatine

ADS7066EVM-PDK — Leistungs-Demokit für den ADS7066-ADC mit 8 Kanälen, 250 KSPS, 16 Bit, interner Referenz

Das Leistungs-Demokit (Performance Demonstration Kit, PDK) für das Evaluierungsmodul (EVM) ADS7066 ist eine Plattform zur Leistungsevaluierung des ADS7066-Analog-Digital-Wandlers (Analog-to-Digital Converter, ADC) mit Iterationsregister (Successive Approximation Register, SAR)

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Support-Software

ADS7066-C-EXAMPLE-CODE ADS7066 example C code

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