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Name: LMV321M5X
Brand: Texas Instruments
SKU: LMV321M5X
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 LMV321M5X

Part No.:: LMV321M5X

Manufacturer:: Texas Instruments

Package:: SC-74A, SOT-753

Datasheet:: LMV321M5X.pdf

Description:: IC OPAMP GP 1 CIRCUIT SOT23-5

In Stock:: 3958

Quantity:: Add To Cart

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LMV321M5X Specifications

Package/Case:
SC-74A, SOT-753
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Obsolete
AmplifierType:
General Purpose
NumberofCircuits:
1
OutputType:
Rail-to-Rail
SlewRate:
1V/µs
GainBandwidthProduct:
1 MHz
-3dbBandwidth:
-
Current-InputBias:
15 nA
Voltage-InputOffset:
1.7 mV
Current-Supply:
130µA
Current-Output/Channel:
160 mA
Voltage-SupplySpan(Min):
2.7 V
Voltage-SupplySpan(Max):
5.5 V
OperatingTemperature:
-40°C ~ 85°C
MountingType:
Surface Mount

LMV321M5X this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LMV321M5X price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for LMV321M5X to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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LMV321M5X information

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LMV321M5X Typical application Circuitry

LMV321M5X

LMV321M5X is a single, low-voltage, low-power operational amplifier (op-amp) from Texas Instruments, optimized for use in battery-powered and portable applications due to its low power consumption and wide supply voltage range. It is available in a compact SOT-23-5 package, making it an excellent choice for space-constrained applications.

Application Scenario

An ideal application for LMV321M5X is in an audio preamplifier circuit for a portable speaker system. In this scenario, LMV321M5X can amplify the low-level audio signal from a source (like a smartphone) to a level that is suitable for further amplification by the power amplifier stage.

Parameter Features

- Supply Voltage Range: 2.7V to 5.5V, allowing operation in both 3.3V and 5V systems.

- Low Power Consumption: Essential for maximizing battery life in portable devices.

- Input Offset Voltage: Features a low input offset, enhancing the accuracy of signal amplification.

- Package: Comes in a SOT-23-5 package, providing a minimal footprint on the PCB.

Circuit Design Considerations

When integrating LMV321M5X into a design, it's crucial to ensure that the input signal levels are within the device's input common-mode range, to provide a stable and clean power supply, and to consider the loading effect on the output.

Detailed Circuit Connection

Power Supply Connection

Connect the VCC pin (pin 5) of LMV321M5X to a clean, stable power source within the 2.7V to 5.5V range, ensuring that the op-amp receives the proper operating voltage.

Audio Signal Input

Apply the audio signal from the source to the non-inverting input (IN+, pin 3) of LMV321M5X. If necessary, a DC blocking capacitor can be placed in series with this input to prevent any DC offset from the source from affecting the amplification.

Feedback and Gain Setting

Establish the desired gain of the preamplifier by connecting a feedback resistor between the output (OUT, pin 1) and the inverting input (IN-, pin 2), and placing another resistor from IN- to ground. The gain is determined by the ratio of these resistors according to the standard non-inverting op-amp gain formula.

Output to Power Amplifier

The amplified audio signal is available at the OUT pin (pin 1) and can be directly fed into the input of a power amplifier stage for further amplification. A coupling capacitor may be used here to block any DC component.

Grounding

Ensure that the GND pin (pin 4) is connected to the system's ground plane for a stable reference point and to minimize noise in the signal amplification.

In designing circuits with LMV321M5X, careful attention should be paid to the layout to minimize the path lengths of the signal traces, particularly around the IN+ and IN- pins, to reduce noise pickup and potential feedback issues. Additionally, power supply decoupling with a capacitor placed close to the VCC and GND pins is recommended to filter out noise and provide a stable supply voltage to the op-amp.

LMV321M5X FAQ

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6. What is the process for return or replacement of LMV321M5X?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LMV321M5X we delivered, we will accept the replacement or return of the LMV321M5X only when all of the below conditions are fulfilled:

(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 LMV321M5X.

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

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations