What is the Additional Feature ?

Name: LMP91000SD/NOPB
Brand: Texas Instruments
SKU: LMP91000SD/NOPB
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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Texas Instruments LMP91000SD/NOPB

Part No.:: LMP91000SD/NOPB

Manufacturer:: Texas Instruments

Package:: 14-WFDFN Exposed Pad

Datasheet:: LMP91000SD/NOPB.pdf

Description:: IC AFE 1 CHAN 8BIT 14WSON

In Stock:: 2860

Quantity:: Add To Cart

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LMP91000SD/NOPB Typical application Circuitry

LMP91000SD NOPB

LMP91000SD/NOPB is a highly integrated, configurable Analog Front End (AFE) tailored for use in electrochemical sensor applications. It's designed to facilitate the development of sensors for detecting gases and other chemical substances through its support for a wide range of electrochemical sensors.

Application Scenarios

The LMP91000SD/NOPB finds its application in various fields such as:

- Environmental Monitoring: For tracking air quality and detecting harmful gases.

- Healthcare Devices: In gadgets that measure biomarkers in breath or fluids.

- Industrial Safety: For monitoring hazardous gas concentrations to ensure workplace safety.

- Home Safety: In residential carbon monoxide detectors and other gas leak detectors.

Key Features

Notable features of the LMP91000SD/NOPB include:

- Flexible Configuration: It offers programmable settings for the transimpedance amplifier (TIA), enabling it to adapt to different sensor types and requirements.

- Integrated Temperature Compensation: This feature helps maintain accuracy across a range of operating temperatures.

- Low Power Consumption: Ideal for battery-powered applications where efficiency is crucial.

- Variable Voltage Reference: Allows for setting a precise bias voltage for the sensor, optimizing its performance.

Example Application: Industrial Gas Leak Detector

Sensor Integration: Connect the gas sensor's working electrode to the LMP91000SD/NOPB at the WE pin. The reference electrode should be connected to the RE pin, and the counter electrode to the CE pin.

Configuring TIA Gain: Use the I2C communication interface to set the TIA gain according to the gas sensor's sensitivity. For detecting small concentrations of gas, a high gain setting may be required.

Feedback Resistor Selection: Program the LMP91000SD/NOPB to select the appropriate feedback resistor for the TIA, which determines the range and sensitivity of the measurement.

Bias Voltage Setting: Adjust the bias voltage to the sensor via the LMP91000SD/NOPB to optimize sensor response. This voltage is crucial for the electrochemical reaction at the sensor's working electrode.

Output Connection: The output from the LMP91000SD/NOPB should be routed to an ADC input on a microcontroller for digital processing. This step converts the analog signal from the sensor into a digital value that can be analyzed.

Design Considerations

When designing with the LMP91000SD/NOPB, several factors need to be taken into account:

- Sensor Compatibility: Ensure the selected electrochemical sensor operates within the input range supported by the LMP91000SD/NOPB.

- Environmental Conditions: Design the circuit to withstand the specific conditions it will encounter, such as temperature fluctuations and humidity.

- Power Efficiency: For portable devices, it's critical to manage the power consumption of the LMP91000SD/NOPB to extend battery life.

- Calibration and Accuracy: Implement a calibration mechanism to account for sensor drift and ensure the accuracy of measurements over time.

By carefully considering these aspects and leveraging the flexibility of the LMP91000SD/NOPB, designers can develop effective solutions for a wide range of gas detection applications.

LMP91000SD/NOPB information

LMP91000SD/NOPB Specifications

Package/Case:
14-WFDFN Exposed Pad
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®,Bulk
Series:
-
ProductStatus:
Active
NumberofBits:
8
NumberofChannels:
1
Power(Watts):
-
Voltage-SupplyAnalog:
2.7V ~ 5.25V
Voltage-SupplyDigital:
2.7V ~ 5.25V
MountingType:
Surface Mount

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6. What is the process for return or replacement of LMP91000SD/NOPB?

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(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LMP91000SD/NOPB.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations