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ADS5231IPAGT
Public Made by Adomby adom
Texas Instruments Analog To Digital Converters (ADC), TQFP-64(10x10). 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
markdownADS5231IPAGT
Texas Instruments · Analog To Digital Converters (ADC) · TQFP-64(10x10)
ADS5231IPAGT from Texas Instruments, in a TQFP-64(10x10). 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 | SEL | input | Serial interface select: 0 configures pins 41, 42, 45 as MSBI, OEA, STPD, 1 enables the serial interface (SEN, SCLK, SDATA), and a low-going pulse on SEL at power-up resets the serial registers. |
| 2 | AGND | power_in | Analog ground. |
| 3 | AVDD | power_in | Analog supply, 3.0V to 3.6V recommended (3.3V typ). |
| 4 | GND | power_in | Output buffer ground. |
| 5 | VDRV | power_in | Output buffer supply, 3.0V to 3.6V recommended (3.3V typ). |
| 6 | OEB | input | Output enable for channel B: 0 = enabled (default), 1 = tri-state. |
| 7 | GND | power_in | Output buffer ground. |
| 8 | VDRV | power_in | Output buffer supply, 3.0V to 3.6V recommended (3.3V typ). |
| 9 | OVRB | output | Over-range indicator for channel B. |
| 10 | D0_B | output | Channel B data output bit D0 (LSB). |
| 11 | D1_B | output | Channel B data output bit D1. |
| 12 | D2_B | output | Channel B data output bit D2. |
| 13 | D3_B | output | Channel B data output bit D3. |
| 14 | D4_B | output | Channel B data output bit D4. |
| 15 | D5_B | output | Channel B data output bit D5. |
| 16 | D6_B | output | Channel B data output bit D6. |
| 17 | D7_B | output | Channel B data output bit D7. |
| 18 | D8_B | output | Channel B data output bit D8. |
| 19 | D9_B | output | Channel B data output bit D9. |
| 20 | D10_B | output | Channel B data output bit D10. |
| 21 | D11_B | output | Channel B data output bit D11 (MSB). |
| 22 | DVB | output | Data valid output, channel B. |
| 23 | GND | power_in | Output buffer ground. |
| 24 | CLK | input | Clock input; low-level voltage max 0.6V, high-level voltage min 2.2V. |
| 25 | GND | power_in | Output buffer ground. |
| 26 | DVA | output | Data valid output, channel A. |
| 27 | D0_A | output | Channel A data output bit D0 (LSB). |
| 28 | D1_A | output | Channel A data output bit D1. |
| 29 | D2_A | output | Channel A data output bit D2. |
| 30 | D3_A | output | Channel A data output bit D3. |
| 31 | D4_A | output | Channel A data output bit D4. |
| 32 | D5_A | output | Channel A data output bit D5. |
| 33 | D6_A | output | Channel A data output bit D6. |
| 34 | D7_A | output | Channel A data output bit D7. |
| 35 | D8_A | output | Channel A data output bit D8. |
| 36 | D9_A | output | Channel A data output bit D9. |
| 37 | D10_A | output | Channel A data output bit D10. |
| 38 | D11_A | output | Channel A data output bit D11 (MSB). |
| 39 | OVRA | output | Over-range indicator for channel A. |
| 40 | VDRV | power_in | Output buffer supply, 3.0V to 3.6V recommended (3.3V typ). |
| 41 | MSBI/SEN | input | When SEL = 0, MSBI: 1 = binary two's complement, 0 = straight offset binary (default); when SEL = 1, serial write enable (SEN). |
| 42 | OEA/SCLK | input | When SEL = 0, OEA: 0 = enabled (default), 1 = tri-state for channel A; when SEL = 1, serial write clock (SCLK). |
| 43 | VDRV | power_in | Output buffer supply, 3.0V to 3.6V recommended (3.3V typ). |
| 44 | GND | power_in | Output buffer ground. |
| 45 | STPD/SDATA | input | When SEL = 0, STPD power-down: 0 = normal operation (default), 1 = enabled; when SEL = 1, serial write data (SDATA). |
| 46 | AVDD | power_in | Analog supply, 3.0V to 3.6V recommended (3.3V typ). |
| 47 | AGND | power_in | Analog ground. |
| 48 | AGND | power_in | Analog ground. |
| 49 | AGND | power_in | Analog ground. |
| 50 | INA+ | input | Analog input, channel A. |
| 51 | INA- | input | Complementary analog input, channel A. |
| 52 | CM | output | Common-mode voltage output. |
| 53 | REFT | bidirectional | Top reference/bypass pin, use a 2Ω resistor in series with a 0.1µF capacitor to ground. |
| 54 | REFB | bidirectional | Bottom reference/bypass pin, use a 2Ω resistor in series with a 0.1µF capacitor to ground. |
| 55 | AGND | power_in | Analog ground. |
| 56 | INT/EXT | input | Reference select: 0 = external (default), 1 = internal; force high for internal reference operation. |
| 57 | AVDD | power_in | Analog supply, 3.0V to 3.6V recommended (3.3V typ). |
| 58 | AGND | power_in | Analog ground. |
| 59 | AGND | power_in | Analog ground. |
| 60 | ISET | passive | Bias current setting resistor of 56.2kΩ to ground. |
| 61 | AGND | power_in | Analog ground. |
| 62 | INB- | input | Complementary analog input, channel B. |
| 63 | INB+ | input | Analog input, channel B. |
| 64 | AGND | power_in | Analog ground. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TQFP-64(10x10) |
| Category | Data Acquisition |
| Pins | 64 |
CAD (KiCad official)
- Symbol:
ADS5231IPAGT - Footprint:
Package_QFP:TQFP-64_10x10mm_P0.5mm - 3D model: TQFP-64(10x10) (KiCad packages3D, STEP)
- 3D model files:
ads5231ipagt-etched.step/ads5231ipagt-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ads5231ipagt.step/ads5231ipagt.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (32 pp, sha256
9e8605025b6d3662, retrieved 2026-09-30, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-4-5-20251001(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).