Support software
ADS7066-C-EXAMPLE-CODE — ADS7066 example C code
Expedite your embedded design using this example C code for the ADS7066 product family
ADS7066
Eight-channel, 250-kSPS, 16-bit analog-to-digital converter with internal reference, GPIOs and SPI
Data sheet
ADS7066
- 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.
Technical documentation
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View all 5 | Top documentation | Type | Title | Format options | Date |
|---|---|---|---|---|
| * | Data sheet | ADS7066 Small, 8-Channel, 16-Bit, 250-kSPS SAR ADC With GPIOs datasheet (Rev. C) | PDF | HTML | 15 Sep 2023 |
| Application note | A Simple, Java-Based CRC Calculator | PDF | HTML | 04 Mar 2026 | |
| 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 & 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
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
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 (...)
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
| Package | Pins | CAD symbols, footprints & 3D models |
|---|---|---|
| DSBGA (YBH) | 16 | Ultra Librarian |
| WQFN (RTE) | 16 | Ultra Librarian |
Ordering & quality
Information included:
- RoHS
- REACH
- Device marking
- Lead finish/Ball material
- MSL rating/Peak reflow
- MTBF/FIT estimates
- Material content
- Qualification summary
- Ongoing reliability monitoring
Information included:
- Fab location
- Assembly location
Recommended products may have parameters, evaluation modules or reference designs related to this TI product.
Support & training
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