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Name: LMV321M5
Brand: Texas Instruments
SKU: LMV321M5
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 LMV321M5

Part No.:: LMV321M5

Manufacturer:: Texas Instruments

Package:: SC-74A, SOT-753

Datasheet:: LMV321M5.pdf

Description:: IC OPAMP GP 1 CIRCUIT SOT23-5

In Stock:: 7681

Quantity:: Add To Cart

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LMV321M5 Specifications

Package/Case:
SC-74A, SOT-753
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Not For New Designs
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

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LMV321M5 information

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LMV321M5 Typical application Circuitry

LMV321M5

LMV321M5 is a low-voltage, low-power operational amplifier (op-amp) from Texas Instruments, designed for general-purpose applications. It operates with a supply voltage range from 2.7V to 5.5V, making it suitable for battery-operated devices, portable electronics, and other low-power applications. The device comes in a compact SOT-23-5 package, ideal for space-constrained applications.

Application Scenario

A common application for LMV321M5 is in a sensor signal conditioning circuit within a portable device, where it can amplify a small sensor output voltage to a higher level suitable for analog-to-digital conversion or further processing.

Parameter Features

- Supply Voltage Range: 2.7V to 5.5V, compatible with a variety of power sources, including 3.3V and 5V systems.

- Low Power Consumption: Ensures minimal impact on battery life, crucial for portable applications.

- Input Offset Voltage: Low input offset voltage improves accuracy in precision applications.

- Package: Available in a SOT-23-5 package, offering a compact footprint for space-saving designs.

Circuit Design Considerations

When designing a circuit with LMV321M5, it's important to ensure that the input signals are within the supply voltage range, to provide a stable power supply, and to consider the load driven by the output to ensure proper operation.

Detailed Circuit Connection

Power Supply Connection

Attach the LMV321M5's VCC pin (pin 5) to a reliable power supply that operates between 2.7 and 5.5 volts. This connection ensures the op-amp operates within its specified supply voltage range for optimal performance.

Input Signal Conditioning

Apply the sensor output to the non-inverting input (IN+, pin 3). If the sensor signal is very small, a resistor network can be used to set an appropriate bias voltage at this input, ensuring the signal is within the op-amp's input common-mode range.

Feedback Network

Connect a feedback resistor from the output (OUT, pin 1) to the inverting input (IN-, pin 2) and another resistor from IN- to the ground to set the desired gain of the amplifier. The ratio of these resistors determines the amplification factor according to the standard op-amp gain formula.

Output Signal

The OUT pin (pin 1) provides the amplified signal. This output can be connected to subsequent stages, such as an analog-to-digital converter (ADC) or another processing circuit, for further analysis or processing.

Grounding

The GND pin (pin 4) should be connected to the system ground. For the LMV321M5 to function steadily and precisely, a strong ground connection is necessary.

In circuits using LMV321M5, careful attention should be paid to the layout to minimize noise, especially in the input and feedback paths, as noise can significantly affect the accuracy of the signal conditioning. Additionally, proper decoupling of the power supply pin with capacitors close to the op-amp is recommended to maintain stability and reduce susceptibility to power supply fluctuations.

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6. What is the process for return or replacement of LMV321M5?

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 LMV321M5 we delivered, we will accept the replacement or return of the LMV321M5 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 LMV321M5.

(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