LCSC Electronics logoLCSC Electronics svg logo
Sign In
USD
Cart
TI LMP91002SDE/NOPB product image
  • LMP91002SDE/NOPB thumbnail 1
  • LMP91002SDE/NOPB thumbnail 2
  • LMP91002SDE/NOPB thumbnail 3
  • Pinout
  • Footprint
Images for reference only

TI LMP91002SDE/NOPB

Manufacturer
TI
MPN
LMP91002SDE/NOPB
LCSC Part #
C2651558
Packaging
WSON-14(4x4)
Customer #
Key Attributes
LMP91002 Sensor Analog Front End (AFE) System
DatasheetTI LMP91002SDE/NOPB
RoHS Compliance2 documents available
In-Stock: 2
2 In stock, ships now
Discontinued
Once stock is depleted, this item will be marked as "Out of Stock."
Notify Me
Minimum: 1Multiple: 1Sales Unit: Piece
QtyUnit PriceTotal Amount
1+$ 2.8932$ 2.89
10+$ 2.8252$ 28.25
30+$ 2.7803$ 83.41
100+$ 2.7354$ 273.54
Standard Packaging250/Full Reel

Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Data Acquisition/Analog Front End (AFE)
ManufacturerTI
PackagingWSON-14(4x4)
Clock Frequency10kHz~100kHz
Voltage Reference Value2.5V
InterfaceI2C
Resolution(Bits)-;-
S/N Ratio-
Quiescent Current (Iq)0.85uA
Voltage - Supply2.7V~3.6V
FunctionProgrammable gain;ESD protection
Operating Temperature-40℃~+85℃
Help & FeedbackShow similar products (0) >

Introduction

AI Translation

The LMP91002 device is a programmable analog front-end (AFE) suitable for micropower electrochemical sensing applications. It provides a complete signal path solution between the non-biased gas sensor and the microcontroller, which can generate an output voltage proportional to the cell current. The programmability of the LMP91002 enables it to support non-biased electrochemical gas sensors with a single design. The LMP91002 supports gas sensitivities in the range of 0.5 nA/ppm to 9500 nA/ppm. The device can also achieve simple conversion within a full-scale current range of 5 μA to 750 μA. The gain of the transimpedance amplifier (TIA) of the LMP91002 can be programmed via the I²C interface. The I²C interface can also be used for sensor diagnostics. The LMP91002 is optimized for micropower applications, with an operating voltage range of 2.7 V to 3.6 V and a total current consumption of less than 10 μA. Further power savings can be achieved by turning off the TIA amplifier and using an internal switch to short the reference electrode to the working electrode.

Features

AI Translation
  • Supply voltage range: 2.7V to 3.6V
  • Supply current (average over time) <10μA
  • Battery regulation current up to 10mA
  • Reference electrode bias current (85°C) 900pA (maximum)
  • Output drive current 750μA
  • Complete potentiostat circuit for interfacing with most unbiased gas sensors
  • Low bias voltage drift
  • Programmable transimpedance amplifier (TIA) gain: 2.75kΩ to 350kΩ
  • I²C-compatible digital interface
  • Ambient operating temperature range: -40°C to 85°C
  • 14-pin wafer-level small outline no-lead (WSON) package
  • Supported by Webench Sensor AFE design tool

Applications

AI Translation
  • Gas detector galvanometer applications
  • Electrochemical blood glucose meter