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ADS8866IDRCT
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Texas Instruments Analog To Digital Converters (ADC), WSON-10-EP(3x3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownADS8866IDRCT
Texas Instruments · Analog To Digital Converters (ADC) · WSON-10-EP(3x3)
ADS8866IDRCT from Texas Instruments, in a WSON-10-EP(3x3). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | REF | input | Positive reference input; this pin must be decoupled with a 10-µF or larger capacitor, and the reference voltage is 2.5 V to 5 V. |
| 2 | AVDD | power_in | Analog power supply; this pin must be decoupled to GND with a 1-µF capacitor, and AVDD is 2.7 V to 3.6 V. |
| 3 | AINP | input | Noninverting analog signal input, with a unipolar single-ended input range of 0 to +VREF. |
| 4 | AINN | input | Inverting analog signal input, which is the reference side of the single-ended input. |
| 5 | GND | power_in | Device ground; this common pin serves both the analog supply (AVDD) and the digital I/O supply (DVDD), and the reference return is internally connected to it. |
| 6 | CONVST | input | Convert input that also functions as the CS input in 3-wire interface mode. |
| 7 | DOUT | output | Serial data output, synchronized with the SCLK clock. |
| 8 | SCLK | input | Clock input for the serial interface; data on DOUT is synchronized with this clock. |
| 9 | DIN | input | Serial data input; the DIN level at the start of a conversion selects the operating mode (such as CS or daisy-chain mode), and it also serves as the CS input in 4-wire interface mode. |
| 10 | DVDD | power_in | Digital interface power supply; this pin must be decoupled to GND with a 1-µF capacitor, and DVDD is 1.65 V to 3.6 V. |
| 11 | EP | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | WSON-10-EP(3x3) |
| Category | Data Acquisition |
| Pins | 11 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| AINP to GND or AINN to GND | -0.3 | V | maximum printed as REF + 0.3 | 5 | |||
| AVDD to GND or DVDD to GND | -0.3 | 4 | V | 5 | |||
| REF to GND | -0.3 | 5.7 | V | 5 | |||
| Digital input voltage to GND | -0.3 | V | maximum printed as DVDD + 0.3 | 5 | |||
| Digital output to GND | -0.3 | V | maximum printed as DVDD + 0.3 | 5 | |||
| Input current to any pin except supply pins | -10 | 10 | mA | 5 | |||
| Operating temperature | TA | -40 | 85 | °C | 5 | ||
| Storage temperature | Tstg | -65 | 150 | °C | 5 | ||
| Electrostatic discharge, human-body model | V(ESD) | -2000 | 2000 | V | HBM per ANSI/ESDA/JEDEC JS-001 | 5 | |
| Electrostatic discharge, charged-device model | V(ESD) | -500 | 500 | V | CDM per JEDEC JESD22-C101 | 5 | |
| Analog power supply | AVDD | 3 | V | 5 | |||
| Digital power supply | DVDD | 3 | V | 5 | |||
| Reference voltage | VREF | 5 | V | 5 | |||
| Junction-to-ambient thermal resistance | RθJA | 111.1 | °C/W | DRC (VSON) package | 5 | ||
| Junction-to-case (top) thermal resistance | RθJC(top) | 46.4 | °C/W | DRC (VSON) package | 5 | ||
| Junction-to-board thermal resistance | RθJB | 45.9 | °C/W | DRC (VSON) package | 5 | ||
| Junction-to-top characterization parameter | ψJT | 3.5 | °C/W | DRC (VSON) package | 5 | ||
| Junction-to-board characterization parameter | ψJB | 45.5 | °C/W | DRC (VSON) package | 5 | ||
| Full-scale input span | 0 | V | AINP, AINN; maximum printed as VREF | 6 | |||
| Operating input range AINP | -0.1 | V | AINP; maximum printed as VREF + 0.1 | 6 | |||
| Operating input range AINN | -0.1 | 0.1 | V | AINN | 6 | ||
| VREF input range | VREF | 2.5 | 5 | V | 6 | ||
| Decoupling capacitor at the REF input | CREF | 10 | 22 | µF | 6 | ||
| Differential linearity | DNL | -0.99 | 0.6 | 1 | LSB | 6 | |
| Integral linearity | INL | -2 | 0.8 | 2 | LSB | 6 | |
| Offset error | EO | -4 | 1 | 4 | mV | 6 | |
| Offset error drift with temperature | -1.5 | 1.5 | µV/°C | 6 | |||
| Gain error | EG | -0.01 | 0.005 | 0.01 | %FSR | 6 | |
| Gain error drift with temperature | -0.15 | 0.15 | ppm/°C | 6 | |||
| Common-mode rejection ratio | CMRR | 90 | 100 | dB | With common-mode input signal = 5 VPP at dc | 6 | |
| Signal-to-noise + distortion at 1 kHz | SINAD | 90.5 | 92.9 | dB | At 1 kHz, VREF = 5 V | 7 | |
| Signal-to-noise ratio at 1 kHz | SNR | 92 | 93 | dB | At 1 kHz, VREF = 5 V | 7 | |
| Analog supply voltage | AVDD | 2.7 | 3 | 3.6 | V | Analog supply | 7 |
| Digital supply voltage range | DVDD | 1.65 | 1.8 | 3.6 | V | Digital supply range | 7 |
| Supply current AVDD | IAVDD | 0.23 | 0.4 | mA | 100-kHz sample rate, AVDD = 3 V | 7 | |
| Power dissipation | PVA | 0.7 | 1.2 | mW | 100-kHz sample rate, AVDD = 3 V | 7 | |
| Digital input leakage current | ILK | -100 | 10 | 100 | nA | 7 | |
| Conversion time | tconv | 500 | 8800 | ns | 8 | ||
| SCLK frequency | fSCLK | 16 | 66.6 | MHz | 8 | ||
| SCLK period | tSCLK | 15 | 62.5 | ns | 8 | ||
| SCLK low time | tclkl | 0.45 | 0.55 | tSCLK | 8 | ||
| SCLK high time | tclkh | 0.45 | 0.55 | tSCLK | 8 |
CAD (KiCad official)
- Symbol:
ADS8866IDRCT - Footprint:
Package_SON:VSON-10-1EP_3x3mm_P0.5mm_EP1.2x2mm - 3D model: WSON-10-EP(3x3) (KiCad packages3D, STEP)
- 3D model files:
ads8866idrct-etched.step/ads8866idrct-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ads8866idrct.step/ads8866idrct.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (48 pp, sha256
27f211b009303a09, retrieved 2026-11-05, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-sonnet-5-5(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).