component
LMP90080QMH
Public Made by Adomby adom
Texas Instruments Analog Front End (AFE), HTSSOP-28. 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
markdownLMP90080QMH
Texas Instruments · Analog Front End (AFE) · HTSSOP-28
LMP90080QMH from Texas Instruments, in a HTSSOP-28. 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 | VA | power_in | Analog power supply pin, specified at +4.75 V to 5.5 V in the Operating Ratings. |
| 2 | VIN0 | input | Analog input pin; voltage on any analog input must stay within -0.3 V to VA+0.3 V per the Absolute Maximum Ratings. |
| 3 | VIN1 | input | Analog input pin; voltage on any analog input must stay within -0.3 V to VA+0.3 V per the Absolute Maximum Ratings. |
| 4 | VIN2 | input | Analog input pin; voltage on any analog input must stay within -0.3 V to VA+0.3 V per the Absolute Maximum Ratings. |
| 5 | VIN3 | input | Analog input pin; voltage on any analog input must stay within -0.3 V to VA+0.3 V per the Absolute Maximum Ratings. |
| 6 | VIN4 | input | Analog input pin; voltage on any analog input must stay within -0.3 V to VA+0.3 V per the Absolute Maximum Ratings. |
| 7 | VIN5 | input | Analog input pin; voltage on any analog input must stay within -0.3 V to VA+0.3 V per the Absolute Maximum Ratings. |
| 8 | VREFP1 | input | Positive reference input for the ADC; reference voltage operating range is +0.5 V to VA. |
| 9 | VREFN1 | input | Negative reference input for the ADC; reference voltage is referenced to GND and must keep VREF within +0.5 V to VA. |
| 10 | VIN6/VREFP2 | input | Analog input pin or, alternatively, the VREFP2 positive reference input. |
| 11 | VIN7/VREFN2 | input | Analog input pin or, alternatively, the VREFN2 negative reference input. |
| 12 | IB2 | output | Matched excitation current source for external RTD/sensor use, selectable from 100 µA to 1000 µA in 100 µA steps. |
| 13 | IB1 | output | Matched excitation current source for external RTD/sensor use, selectable from 100 µA to 1000 µA in 100 µA steps. |
| 14 | XOUT | output | External crystal oscillator connection output. |
| 15 | XIN/CLK | input | External crystal oscillator connection or external clock input. |
| 16 | GND | power_in | Power supply ground; all voltages are measured with respect to this pin. |
| 17 | CSB | input | Digital chip select input (active low, chip select bar). |
| 18 | SCLK | input | Digital serial clock input for the SPI interface. |
| 19 | SDI | input | Digital serial data input for the SPI interface. |
| 20 | SDO/DRDYB | output | Serial data output and data-ready bar; source/sink current is limited to 3 mA and output is referenced to VIO. |
| 21 | D0 | bidirectional | General-purpose digital input/output (GPIO) pin, referenced to the VIO supply (VIO +2.7 V to 5.5 V). |
| 22 | D1 | bidirectional | General-purpose digital input/output (GPIO) pin, referenced to the VIO supply (VIO +2.7 V to 5.5 V). |
| 23 | D2 | bidirectional | General-purpose digital input/output (GPIO) pin, referenced to the VIO supply (VIO +2.7 V to 5.5 V). |
| 24 | D3 | bidirectional | General-purpose digital input/output (GPIO) pin, referenced to the VIO supply (VIO +2.7 V to 5.5 V). |
| 25 | D4 | bidirectional | General-purpose digital input/output (GPIO) pin, referenced to the VIO supply (VIO +2.7 V to 5.5 V). |
| 26 | D5 | bidirectional | General-purpose digital input/output (GPIO) pin, referenced to the VIO supply (VIO +2.7 V to 5.5 V). |
| 27 | D6/DRDYB | bidirectional | General-purpose digital input/output pin or data-ready bar output, referenced to the VIO supply (VIO +2.7 V to 5.5 V). |
| 28 | VIO | power_in | Digital input/output supply pin, specified at +2.7 V to 5.5 V in the Operating Ratings. |
| 29 | Thermal Pad | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | HTSSOP-28 |
| Category | Data Acquisition |
| Pins | 29 |
CAD (KiCad official)
- Symbol:
LMP90080QMH - Footprint:
Package_SO:TSSOP-28-1EP_4.4x9.7mm_P0.65mm_EP2.85x6.7mm - 3D model: HTSSOP-28 (KiCad packages3D, STEP)
- 3D model files:
lmp90080qmh-etched.step/lmp90080qmh-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);lmp90080qmh.step/lmp90080qmh.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (66 pp, sha256
89e5daae6bfad4a2, retrieved 2026-10-08, 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 0.3, 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).