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LMP90100MHX

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Texas Instruments Analog Front End (AFE), HTSSOP-28. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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3D Model

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Symbol & Footprint

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PCB Footprint

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Datasheet

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Contents

README

markdown

LMP90100MHX

Texas Instruments · Analog Front End (AFE) · HTSSOP-28

LMP90100MHX from Texas Instruments, in a HTSSOP-28. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VA power_in Analog power supply pin, voltage range 2.85V to 5.5V.
2 VIN0 input Analog input pin, can be configured as differential input positive or single-ended input.
3 VIN1 input Analog input pin, can be configured as differential input or reference.
4 VIN2 input Analog input pin, can be configured as differential input or reference.
5 VIN3 input Analog input pin, available for LMP90100 and LMP90099 only.
6 VIN4 input Analog input pin, available for LMP90100 and LMP90099 only.
7 VIN5 input Analog input pin, available for LMP90100 and LMP90099 only.
8 VREFP1 input Positive reference input for first reference pair, voltage range 0.5V to VA.
9 VREFN1 input Negative reference input for first reference pair, voltage range GND to 0.5V below VREFP1.
10 VIN6/VREFP2 input Analog input pin or positive reference input for second reference pair, configurable per channel.
11 VIN7/VREFN2 input Analog input pin or negative reference input for second reference pair, configurable per channel.
12 IB2 output Excitation current source output, 100µA to 1000µA in 100µA steps, LMP90100/LMP90098 only.
13 IB1 output Excitation current source output, 100µA to 1000µA in 100µA steps, LMP90100/LMP90098 only.
14 XOUT output External crystal oscillator output connection for 1.8MHz to 7.2MHz crystal.
15 XIN/CLK input External crystal oscillator input or external clock input, frequency range 1.8MHz to 7.2MHz.
16 GND power_in Power supply ground reference.
17 CSB input Chip select bar, active low SPI control signal, setup time 5ns before SCLK rising edge.
18 SCLK input Serial clock input for SPI interface, maximum frequency 10MHz.
19 SDI input Serial data input for SPI interface, setup time 5ns before SCLK rising edge.
20 SDO/DRDYB output Serial data output for SPI reads and multiplexed data ready bar signal indicating fresh conversion data.
21 D0 bidirectional General purpose input/output pin, configurable as input or output via GPIO_DIRCN register.
22 D1 bidirectional General purpose input/output pin, configurable as input or output via GPIO_DIRCN register.
23 D2 bidirectional General purpose input/output pin, configurable as input or output via GPIO_DIRCN register.
24 D3 bidirectional General purpose input/output pin, configurable as input or output via GPIO_DIRCN register.
25 D4 bidirectional General purpose input/output pin, configurable as input or output via GPIO_DIRCN register.
26 D5 bidirectional General purpose input/output pin, configurable as input or output via GPIO_DIRCN register.
27 D6/DRDYB bidirectional General purpose input/output pin or data ready bar output when SPI_DRDYB_D6 bit is set.
28 VIO power_in Digital input/output supply voltage, voltage range 2.7V to 5.5V.
29 EP 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: LMP90100MHX
  • Footprint: Package_SO:TSSOP-28-1EP_4.4x9.7mm_P0.65mm_EP2.85x6.7mm
  • 3D model: HTSSOP-28 (KiCad packages3D, STEP)
  • 3D model files: lmp90100mhx-etched.step / lmp90100mhx-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lmp90100mhx.step / lmp90100mhx.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (75 pp, sha256 5e1768e9d6941d7d, retrieved 2026-09-18, 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, primary claude-haiku-4-5-20251001 (text), consensus claude-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).

Datasheet PDF