LMP7731MF

Ultra-low power operational amplifier
7,735 Effective Inventory

LMP7731MF

Effective Inventory7,735

Ultra-low power operational amplifier

  • Manufacturer Part # : LMP7731MF

  • Package/Case: SOT23-5

  • Part Status : Active

  • Brand: Texas Instruments

  • Product Categories : Instrumentation, OP Amps, Buffer Amps

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Shipping & Payment

Shipping & Payment

About Shipping

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Service & Packaging

Service & Packaging

About After Sales Service

All Parts Extended Quality Guarantee

Initiate the application within 90 days from the shipment date.

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LMP7731MF DataSheet

Pricing (USD)

Quantity Unit Price Ext. Price
1 $0.809 $0.81
200 $0.314 $62.80
500 $0.303 $151.50
1000 $0.297 $297.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

Rapid Quote

Please submit RFQ for LMP7731MF or email to us: Email: [email protected], we will contact you in 12 hours.

Details

for the LMP7731The LMP7731 is a single, low noise, rail-to-rail input and output, low voltage amplifier. The LMP7731 is part of the LMP precision amplifier family and is ideal for precision and low noise applications with low voltage requirements.This operational amplifier offers low voltage noise of 2.9 nV/√Hz with a 1/f corner of only 3 Hz. The LMP7731 has bipolar input stages with a bias current of only 1.5 nA. This low input bias current, complemented by the very low level of voltage noise, makes the LMP7731 an excellent choice for photometry applications.The LMP7731 provides a wide GBW of 22 MHz while consuming only 2 mA of current. This high gain bandwidth along with the high open loop gain of 130 dB enables accurate signal conditioning in applications with high closed loop gain requirements.The LMP7731 has a supply voltage range of 1.8V to 5.5V, making it an ideal choice for battery operated portable applications. The LMP7731 is offered in the space saving 5-Pin SOT-23 and 8-Pin SOIC packages.

Key Features

    (Typical Values, TA = 25°C, VS = 5V)

  • Input Voltage Noise
    • f = 3 Hz 3.3 nV/√Hz
    • f = 1 kHz 2.9 nV/√Hz
  • CMRR 130 dB
  • Open Loop Gain 130 dB
  • GBW 22 MHz
  • Slew Rate 2.4 V/µs
  • THD @ f = 10 kHz, AV = +1, RL = 2 kΩ 0.001%
  • Supply Current per Channel 2.2 mA
  • Supply Voltage Range 1.8V to 5.5V
  • Operating Temperature Range −40°C to 125°C
  • Input Bias Current ±1.5 nA
  • RRIO

All trademarks are the property of their respective owners.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category ! Operational Amplifiers - Op Amps Mounting Style SMD/SMT
Package / Case SOT-23-5 Number of Channels 1 Channel
Supply Voltage - Max 5.5 V GBP - Gain Bandwidth Product 22 MHz
SR - Slew Rate 2.4 V/us Vos - Input Offset Voltage 500 uV
Supply Voltage - Min 1.8 V Minimum Operating Temperature - 40 C
Maximum Operating Temperature ! + 125 C Ib - Input Bias Current 50 nA
Operating Supply Current 3.4 mA Shutdown No Shutdown
en - Input Voltage Noise Density 2.9 nV/sqrt Hz Amplifier Type General Purpose Amplifier
Brand Texas Instruments Height 1.02 mm
In - Input Noise Current Density 2.2 pA/sqrt Hz Length 2.92 mm
Operating Supply Voltage ! 3 V, 5 V Product Type ! Op Amps - Operational Amplifiers
PSRR - Power Supply Rejection Ratio 111 dB Subcategory Amplifier ICs
Supply Type Single Type General Purpose Amplifiers
Voltage Gain dB 130 dB Width 1.6 mm
Unit Weight 0.000617 oz

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LMP7731MF PDF Download

FAQs

What is LMP7731MF?

The LMP7731MF is a precision, low-power operational amplifier manufactured by Texas Instruments. It is designed for applications requiring high precision, low input offset voltage, and low quiescent current, making it suitable for sensor interfaces, instrumentation, and battery-powered devices.

How Does LMP7731MF Work?

The LMP7731MF functions as a precision operational amplifier with low offset voltage and low input bias current. It amplifies input signals accurately with minimal power consumption, providing stable and reliable performance in precision applications. The amplifier features rail-to-rail input and output, ensuring maximum signal swing even at low supply voltages.

How Many Pins does LMP7731MF have and What are the Functions of the Pinout Configuration?

The LMP7731MF is housed in a 5-pin SOT-23 package. The pinout configuration includes:

  • V+: Positive power supply pin.
  • V-: Negative power supply pin.
  • IN+: Non-inverting input pin.
  • IN-: Inverting input pin.
  • OUT: Output pin.

What are the Pros and Cons of LMP7731MF?

Pros:

  • Low Power Consumption: Operates with low quiescent current, ideal for battery-powered devices.
  • Precision: Provides low offset voltage and high accuracy for precise signal amplification.
  • Rail-to-Rail Input and Output: Maximizes signal range, suitable for low voltage applications.
  • Small Package: The compact SOT-23 package saves space in compact designs.

Cons:

  • Limited Power Handling: May not be suitable for high-power applications.
  • Limited Bandwidth: Might have limitations in high-frequency applications.
  • SOT-23 Package: SOT-23 packages can be challenging to solder without proper equipment.

Are There Any Equivalents/Alternatives to LMP7731MF for Recommendation?

  • The LT1672 from Linear Technology (Analog Devices) is an alternative precision op-amp with similar features.
  • Another alternative to the LMP7731MF is the MCP6001 from Microchip Technology.

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