component
ADS8168IRHBR
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADC), VQFN-32-EP(5x5). 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
markdownADS8168IRHBR
Texas Instruments · Analog To Digital Converters (ADC) · VQFN-32-EP(5x5)
ADS8168IRHBR from Texas Instruments, in a VQFN-32-EP(5x5). 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 | GND | power_in | Ground connection for power return and signal reference. |
| 2 | DECAP | power_out | Internal LDO regulator output nominally 2.85V; connect 1µF decoupling capacitor to GND. |
| 3 | REFIO | bidirectional | External reference input 2.5V to AVDD - 0.3V or internal 4.096V reference output; connect 1µF decoupling capacitor to GND. |
| 4 | REFM | power_in | Reference ground potential; short externally to GND. |
| 5 | REFP | output | Reference buffer output for ADC reference input; short pins 5 and 6 together externally. |
| 6 | REFP | output | Reference buffer output for ADC reference input; short pins 5 and 6 together externally. |
| 7 | REFby2 | output | Analog output voltage equal to REFP/2 for AC-coupled sensor and DC-biased input applications; connect 1µF decoupling capacitor to GND. |
| 8 | AIN-COM | input | Common analog input voltage connected to GND for single-ended or REFby2 for pseudo-differential configuration. |
| 9 | AIN0 | input | Analog input channel 0 for 8-channel multiplexer. |
| 10 | AIN1 | input | Analog input channel 1 for 8-channel multiplexer. |
| 11 | AIN2 | input | Analog input channel 2 for 8-channel multiplexer. |
| 12 | AIN3 | input | Analog input channel 3 for 8-channel multiplexer. |
| 13 | AIN4 | input | Analog input channel 4 for 8-channel multiplexer. |
| 14 | AIN5 | input | Analog input channel 5 for 8-channel multiplexer. |
| 15 | AIN6 | input | Analog input channel 6 for 8-channel multiplexer. |
| 16 | AIN7 | input | Analog input channel 7 for 8-channel multiplexer. |
| 17 | ADC-INP | input | Positive differential analog input to 16-bit SAR ADC converter. |
| 18 | MUXOUT-P | output | Multiplexer positive output connected to optional buffer amplifier and ADC-INP input. |
| 19 | MUXOUT-M | output | Multiplexer negative output connected to optional buffer amplifier and ADC-INM input. |
| 20 | ADC-INM | input | Negative differential analog input to 16-bit SAR ADC converter. |
| 21 | GND | power_in | Ground connection for power return and signal reference. |
| 22 | ALERT | output | Digital alert output active high; logical OR of enabled channel window comparator violations. |
| 23 | CS | input | Chip select input active low; device starts converting on rising edge and controls SDO tri-state when low. |
| 24 | SDI | input | Serial data input pin for SPI interface supporting up to 50MHz clock frequency. |
| 25 | SCLK | input | Serial clock input for SPI-compatible interface timing all data transfers at up to 50MHz. |
| 26 | SDO-0 | tri_state | Serial data output 0 with high-impedance state when CS is high; carries MSB-1, MSB-3, ..., LSB bits. |
| 27 | SDO-1/SEQSTS | tri_state | Multifunction tri-state output carrying sequence status in auto/custom modes or SDO-1 data in dual SDO mode; high-impedance when CS is high. |
| 28 | READY | output | Multifunction output indicating conversion status when CS is high or output protocol strobe when CS is low. |
| 29 | RST | input | Asynchronous reset input active low pulse; resets device and returns all register bits to default states. |
| 30 | DVDD | power_in | Digital interface power supply 1.65V to 5.5V; connect 1µF decoupling capacitor to GND. |
| 31 | GND | power_in | Ground connection for power return and signal reference. |
| 32 | AVDD | power_in | Analog power supply 3V to 5.5V for external reference or 4.5V to 5.5V for internal reference; connect 1µF decoupling capacitor to GND. |
| 33 | Thermal Pad | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VQFN-32-EP(5x5) |
| Category | Data Acquisition |
| Pins | 33 |
CAD (KiCad official)
- Symbol:
ADS8168IRHBR - Footprint:
Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm - 3D model: VQFN-32-EP(5x5) (KiCad packages3D, STEP)
- 3D model files:
ads8168irhbr-etched.step/ads8168irhbr-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ads8168irhbr.step/ads8168irhbr.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (86 pp, sha256
fa97ed7844ff4a62, retrieved 2026-09-27, tier: lcsc) - Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
- Extractor: parts-factory
2.0.0/extract_pins 0.2, primaryclaude-haiku-4-5-20251001(text), consensusclaude-sonnet-4-6(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).