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Name: LMV321M5X/HALF
Brand: National Semiconductor
SKU: LMV321M5X/HALF
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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National Semiconductor LMV321M5X/HALF

Part No.:: LMV321M5X/HALF

Manufacturer:: National Semiconductor

Package:: SC-74A, SOT-753

Datasheet:

Description:: IC OPAMP GP 1 CIRCUIT SOT23-5

In Stock:: 5500

Quantity:: Add To Cart

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LMV321M5X/HALF Specifications

Package/Case:
SC-74A, SOT-753
Packaging:
Bulk
Series:
Automotive, AEC-Q100, LMV®
ProductStatus:
Active
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 ~ 125°C
MountingType:
Surface Mount

LMV321M5X/HALF this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including LMV321M5X/HALF 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/HALF 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/HALF information

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LMV321M5X/HALF Typical application Circuitry

LMV321M5X HALF

LMV321M5X/HALF is a specific configuration or packaging variant of the LMV321 series operational amplifiers from Texas Instruments. These op-amps are known for their low-voltage, low-power operation, suitable for battery-operated devices and portable applications.

Application Scenario

A typical application for an op-amp like LMV321M5X/HALF would be in a low-power sensor interface circuit, such as a photodiode amplifier in a wearable fitness tracker. In this scenario, the op-amp can amplify the current signal from a photodiode that detects heart rate or blood oxygen levels.

Parameter Features

- Supply Voltage Range: Typically 2.7V to 5.5V, compatible with various low-voltage sources.

- Low Power Consumption: Essential for extending the battery life of portable devices.

- Input Offset Voltage: Low, enhancing the precision of signal amplification.

- Package: The SOT-23-5 package is compact, saving space on the PCB.

Circuit Design Considerations

Designing with LMV321M5X/HALF requires careful consideration of the input signal range, ensuring a stable power supply, and managing the load driven by the output to ensure the op-amp can perform effectively.

Detailed Circuit Connection

Power Supply Configuration

Connect the VCC pin (pin 5) of LMV321M5X/HALF to a clean, stable power source within its operational voltage range (2.7V to 5.5V), ensuring optimal performance.

Photodiode Signal Interface

Attach the photodiode to the inverting input (IN-, pin 2), potentially through a current-to-voltage conversion resistor. The non-inverting input (IN+, pin 3) can be connected to a reference voltage or ground, depending on the desired operating point.

Feedback Loop for Amplification

Link a feedback resistor from the output (OUT, pin 1) back to the inverting input (IN-, pin 2) to set the amplification level based on the current-to-voltage conversion. The value of this resistor determines the gain for the photodiode signal.

Output to Further Processing

The amplified signal at the OUT pin (pin 1) can be directed to additional stages, such as an ADC for digital processing. Use a coupling capacitor if necessary to block DC components.

Grounding Scheme

Ensure the GND pin (pin 4) is connected to the system's ground plane for stable operation and minimal signal noise.

When implementing circuits with LMV321M5X/HALF, minimizing noise pickup in the signal path is crucial, particularly in sensitive applications like photodiode amplification. Additionally, power supply decoupling with capacitors near the VCC and GND pins is recommended to provide a stable operating environment. It's also important to select the feedback resistor carefully to achieve the desired gain while considering the bandwidth and noise characteristics of the op-amp to maintain signal integrity.

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

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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 LMV321M5X/HALF.

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

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(1)Inform us within 90 days

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