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ADS7067

ACTIVE

Eight-channel, 800-kSPS, 16-bit SAR analog-to-digital converter (ADC) with GPIOs and SPI

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Data sheet

ADS7067

ACTIVE
Data sheet Order now

Product details

Resolution (Bits) 16 Sample rate (max) (ksps) 800 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) 5 Analog supply voltage (min) (V) 3 Analog supply voltage (max) (V) 5.5 SNR (dB) 85.3 Digital supply (min) (V) 1.65 Digital supply (max) (V) 5.5
Resolution (Bits) 16 Sample rate (max) (ksps) 800 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) 5 Analog supply voltage (min) (V) 3 Analog supply voltage (max) (V) 5.5 SNR (dB) 85.3 Digital supply (min) (V) 1.65 Digital supply (max) (V) 5.5
WQFN (RTE) 16 9 mm² (3 mm × 3 mm) DSBGA (YBH) 16 2.56 mm² (0 mm × 0 mm)
  • Package options:
    • 1.636mm × 1.636mm DSBGA and 3mm × 3mm WQFN
    • Space-saving, capless, 2.5V 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
    • Auto-sequence mode
  • Excellent AC and DC performance:
    • SNR: 90dB, THD: –100dB
    • Improved SNR with programmable averaging filters
    • INL: ±1LSB, 16-bit no missing codes
    • Internal calibration improves offset and drift
    • High sample rate with no latency output: 800kSPS
  • Wide operating range:
    • ADC input range: 0V to VREF and 2 × VREF
    • Analog supply: 3V to 5.5V
    • Digital supply: 1.65V to 5.5V
    • Temperature range: –40°C to +125°C
  • Enhanced-SPI digital interface:
    • High-speed, 60MHz SPI interface
  • Package options:
    • 1.636mm × 1.636mm DSBGA and 3mm × 3mm WQFN
    • Space-saving, capless, 2.5V 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
    • Auto-sequence mode
  • Excellent AC and DC performance:
    • SNR: 90dB, THD: –100dB
    • Improved SNR with programmable averaging filters
    • INL: ±1LSB, 16-bit no missing codes
    • Internal calibration improves offset and drift
    • High sample rate with no latency output: 800kSPS
  • Wide operating range:
    • ADC input range: 0V to VREF and 2 × VREF
    • Analog supply: 3V to 5.5V
    • Digital supply: 1.65V to 5.5V
    • Temperature range: –40°C to +125°C
  • Enhanced-SPI digital interface:
    • High-speed, 60MHz SPI interface

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

The ADS7067 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 ADS7067 can be individually configured as analog inputs, digital inputs, or digital outputs that enable smaller system size and simplify circuit design for mixed signal feedback and digital control.

The enhanced-SPI enables the ADS7067 in achieving high throughput at lower clock speeds, thereby simplifying the board layout and lowering system cost. The ADS7067 features a cyclic redundancy check (CRC) for data read and write operations and the power-up configuration.

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

The ADS7067 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 ADS7067 can be individually configured as analog inputs, digital inputs, or digital outputs that enable smaller system size and simplify circuit design for mixed signal feedback and digital control.

The enhanced-SPI enables the ADS7067 in achieving high throughput at lower clock speeds, thereby simplifying the board layout and lowering system cost. The ADS7067 features a cyclic redundancy check (CRC) for data read and write operations and the power-up configuration.
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ADS7066 ACTIVE Eight-channel, 250-kSPS, 16-bit analog-to-digital converter with internal reference, GPIOs and SPI ADS7066 is a lower-speed variant of ADS7067.

Technical documentation

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Top documentation Type Title Format options Date
* Data sheet ADS7067 Small, 8-Channel, 16-Bit, 800-kSPS SAR ADC With GPIOs datasheet (Rev. B) PDF | HTML Sep 18, 2024
Application note A Simple, Java-Based CRC Calculator PDF | HTML Mar 4, 2026

Design & development

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

Evaluation board

ADS7066EVM-PDK — ADS7066 performance demonstration kit for eight-channel, 250-kSPS, 16-bit, internal-reference ADC

The ADS7066 evaluation module (EVM) performance demonstration kit (PDK) is a platform for evaluating the performance of the ADS7066 successive approximation register (SAR) analog-to-digital converter (ADC)

The ADS7066EVM-PDK provides power and a communications card complete with a graphical user (...)

User guide: PDF
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Support software

ADS7066-C-EXAMPLE-CODE — ADS7066 example C code

Expedite your embedded design using this example C code for the ADS7066 product family
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Simulation model

ADS7066 IBIS Model

SBAM441.ZIP (71 KB) - IBIS model
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Simulation model

ADS7066 TINA-TI Reference Design

SBAM445.TSC (22 KB) - TINA-TI reference design
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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 (...)

Supported products & hardware
Calculation tool

SBAR007 — ADS7066 CRC Calculator

Supported products & hardware
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.
Supported products & hardware
Package Pins CAD symbols, footprints & 3D models
WQFN (RTE) 16 Ultra Librarian
DSBGA (YBH) 16 Ultra Librarian
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