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Name: LM224N
Brand: STMicroelectronics
SKU: LM224N
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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STMicroelectronics LM224N

Part No.:: LM224N

Manufacturer:: STMicroelectronics

Package:: 14-DIP (0.300, 7.62mm)

Datasheet:: LM224N.pdf

Description:: IC OPAMP GP 4 CIRCUIT 14DIP

In Stock:: 3605

Quantity:: Add To Cart

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LM224N Specifications

Package/Case:
14-DIP (0.300, 7.62mm)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
AmplifierType:
General Purpose
NumberofCircuits:
4
OutputType:
-
SlewRate:
0.4V/µs
GainBandwidthProduct:
1.3 MHz
-3dbBandwidth:
-
Current-InputBias:
20 nA
Voltage-InputOffset:
2 mV
Current-Supply:
1.5mA
Current-Output/Channel:
40 mA
Voltage-SupplySpan(Min):
3 V
Voltage-SupplySpan(Max):
30 V
OperatingTemperature:
-40°C ~ 105°C
MountingType:
Through Hole

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LM224N information

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LM224N Typical application Circuitry

LM224N

The LM224N is an integrated circuit that functions as a quad operational amplifier (op-amp), comprising four separate, internally compensated, high-gain op-amps that can function across a broad voltage range when powered by a single power source. It is versatile for direct operation from the standard 5V supply used in digital systems and can also operate with split power supplies.

Application Scenarios for LM224N

- Sensor Signal Conditioning: Amplifying low-level signals from sensors in measurement and automation systems.

- Active Filters: Using different filter circuits in data processing and audio applications, such as band-pass, high-pass, and low-pass filters.

- Voltage Followers: These circuits that need low output impedance and high input impedance can be buffered.

- Comparator Circuits: Comparing voltages in threshold detection and switching applications.

Parameter Features of LM224N

- Wide Power Supply Range: Operates from a single power supply of 3V to 32V and dual supplies of ±1.5V to ±16V, making it adaptable to various circuit configurations.

- Enter Common-Mode Voltage Range: Including ground, enabling close-to-ground direct sensing.

- Low Input Bias and Offset Currents: Ensures accuracy in measurement and control applications.

- Output Short-Circuit Protection: Enhances reliability by protecting the op-amp from damage due to short circuits.

Application Example: Simple Light Detector Circuit

Designing a Light Detector Using One Amplifier from LM224N

To construct a basic light detector that activates an output when the light intensity exceeds a certain threshold, follow these detailed steps focusing on key pin connections and design considerations:

- Power Supply Connection: Connect the positive supply voltage (up to 32V) to the V+ pin (pin 4) of LM224N and ground to the V- pin (pin 11).

- Photodiode Interface: Connect a photodiode between the positive supply and the non-inverting input (pin 3) of one op-amp inside LM224N. The photodiode conducts more current as light intensity increases, reducing the voltage at the non-inverting input.

- Reference Voltage Setup: Use a voltage divider with two resistors connected from V+ to ground, and tap the midpoint to the inverting input (pin 2) of the same op-amp. This sets the threshold voltage.

- Output Configuration: Connect the output (pin 1) to an LED (with a series resistor) or another indicator. The LED turns on to show that the light intensity has passed the threshold when the voltage at the non-inverting input is greater than the voltage at the inverting input.

Design Considerations for LM224N

When designing circuits with LM224N, consider the following:

- Input Biasing: Ensure the input signals are within the common-mode range of LM224N for accurate operation.

- Power Supply Decoupling: To lower noise and increase stability, place a decoupling capacitor next to the power supply pins.

- Output Load: Take into account the load attached to the LM224N's output. In case of an excessively high load, buffering can be required.

- Thermal Considerations: Although LM224N is not prone to overheating under normal conditions, it's essential to consider thermal issues in enclosed or high-temperature environments.

By carefully considering these aspects, the LM224N can be effectively used in a light detector circuit, showcasing its utility in simple sensor interfacing applications.

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6. What is the process for return or replacement of LM224N?

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 LM224N we delivered, we will accept the replacement or return of the LM224N 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 LM224N.

(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