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Name: LM224AD
Brand: STMicroelectronics
SKU: LM224AD
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 LM224AD

Part No.:: LM224AD

Manufacturer:: STMicroelectronics

Package:: 14-SOIC (0.154, 3.90mm Width)

Datasheet:: LM224AD.pdf

Description:: IC OPAMP GP 4 CIRCUIT 14SO

In Stock:: 3364

Quantity:: Add To Cart

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LM224AD Specifications

Package/Case:
14-SOIC (0.154, 3.90mm Width)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
AmplifierType:
General Purpose
NumberofCircuits:
4
OutputType:
-
SlewRate:
0.4V/µs
GainBandwidthProduct:
1.2 MHz
-3dbBandwidth:
-
Current-InputBias:
20 nA
Voltage-InputOffset:
2 mV
Current-Supply:
1.5mA
Current-Output/Channel:
30 mA
Voltage-SupplySpan(Min):
3 V
Voltage-SupplySpan(Max):
30 V
OperatingTemperature:
-40°C ~ 105°C
MountingType:
Surface Mount

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LM224AD information

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LM224AD Typical application Circuitry

LM224AD

The LM224AD is a low-power quad operational amplifier (op-amp) integrated circuit, designed for a wide range of applications. It consists of four independent, high-gain, internally frequency-compensated op-amps that are designed to operate from a single power supply or split power supplies.

Applications

The LM224AD is used in various scenarios, such as:

1. Analog Signal Processing: It is often employed in circuits for amplifying, filtering, or conditioning analog signals.

2. Instrumentation: The LM224AD is used in measurement devices for signal amplification and data acquisition.

3. Audio Processing: It finds applications in audio circuits for mixing, equalizing, and amplifying audio signals.

Key Parameters

Some important parameters of the LM224AD include:

1. Supply Voltage Range: It operates with a supply voltage range from 3V to 32V, accommodating a variety of power sources.

2. Input Offset Voltage: The low input offset voltage ensures accurate signal amplification without significant distortion.

3. Common-Mode Rejection Ratio (CMRR): High CMRR enhances the ability of the op-amp to reject common-mode signals, improving noise immunity.

Circuit Design Example: Summing Amplifier

A common application of the LM224AD is in a summing amplifier circuit:

1. Power Supply Connections: Connect the positive supply voltage (V+) to pin 4 and the negative supply voltage (V-) to pin 11 of the LM224AD.

2. Input Resistors: Connect resistors (R1, R2, R3) from each input signal to the inverting input (pin 2) of one of the op-amps.

3. Feedback Resistor: To adjust the amplifier's gain, place a resistor (Rf) between the output (pin 1) and the inverting input (pin 2).

4. Non-Inverting Input: Connect the non-inverting input (pin 3) to ground to maintain a reference voltage of zero.

5. Output: The output (pin 1) provides the sum of the input signals, each scaled by the ratio of Rf to their respective input resistors.

Design Considerations

When designing circuits with the LM224AD, several factors should be considered:

1. Gain Setting: The values of the feedback and input resistors should be chosen carefully to set the desired gain for each input signal.

2. Input Impedance: The input impedance of the circuit should be high enough to avoid loading the signal sources.

3. Decoupling of the Power Supply: Decoupling capacitors placed close to the power supply pins can reduce noise and give the op-amp a steady operating environment.

To sum up, the LM224AD is a flexible quad operational amplifier that is employed for signal conditioning and processing in a variety of electronic circuits. It is appropriate for a variety of applications due to its broad input voltage range and low power consumption. To guarantee optimum performance and dependability when building circuits with this integrated circuit, much attention must be paid to the gain setting, input impedance, and power supply decoupling.

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6. What is the process for return or replacement of LM224AD?

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 LM224AD we delivered, we will accept the replacement or return of the LM224AD 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 LM224AD.

(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