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Name: NJM2521D
Brand: Nisshinbo Micro Devices Inc.
SKU: NJM2521D
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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Nisshinbo Micro Devices Inc. NJM2521D

Part No.:: NJM2521D

Manufacturer:: Nisshinbo Micro Devices Inc.

Package:: 8-DIP (0.300, 7.62mm)

Datasheet:: NJM2521D.pdf

Description:: IC AUDIO SWITCH 8DIP

In Stock:: 2794

Quantity:: Add To Cart

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NJM2521D Specifications

Package/Case:
8-DIP (0.300, 7.62mm)
Packaging:
Tube
Series:
-
ProductStatus:
Obsolete
Function:
Audio Switch
Applications:
Audio Systems
NumberofChannels:
1
Interface:
Analog
Voltage-Supply:
4.75V ~ 13V
OperatingTemperature:
-20°C ~ 75°C (TA)
Specifications:
2 x SPDT
MountingType:
Through Hole

NJM2521D this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including NJM2521D 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 NJM2521D 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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NJM2521D information

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Basic introduction and simple engineering application of NJM2521D

NJM2521D is a dual low-noise operational amplifier, commonly used in audio and instrumentation applications. It features low distortion, low input bias current, and wide bandwidth.

Application Scenario:

In audio systems, NJM2521D can be utilized to amplify weak signals from microphones or musical instruments while maintaining high fidelity.

Circuit Design:

To design a simple microphone preamplifier using NJM2521D, follow these steps:

1. Microphone Connection:

Connect the microphone to the input pins of NJM2521D, typically pins 2 and 3. Ensure proper biasing and coupling capacitors are used to interface with the microphone.

2. Gain Control:

Configure the feedback resistors, R1 and R2, connected between the output and inverting input of NJM2521D to set the desired gain of the amplifier. The gain can be calculated using the formula: Gain = 1 + (R2 / R1).

3. Power Supply:

Provide a stable power supply voltage, typically between ±5V to ±15V, to the power pins of NJM2521D. Use decoupling capacitors near the power supply pins to minimize noise.

4. Output Connection:

Connect the output of NJM2521D to the input of the audio recording or amplification device. Ensure proper impedance matching and signal conditioning for optimal performance.

5. Testing:

Before finalizing the circuit, perform testing with various microphone inputs and signal levels to verify the amplifier's performance, including gain, frequency response, and distortion.

Considerations:

When designing the circuit, it's important to consider:

- Noise Performance: Minimize noise sources and ensure proper grounding to maintain low noise levels in the amplifier circuit.

- Stability: Choose appropriate feedback components to maintain stability and prevent oscillations in the amplifier.

- Signal Integrity: Use high-quality components and layout techniques to preserve the integrity of the audio signal and minimize distortion.

- ESD Protection: Incorporate electrostatic discharge (ESD) protection measures to safeguard the amplifier against damage from static electricity.

- Thermal Considerations: Provide adequate heat sinking or thermal management to prevent overheating of NJM2521D during prolonged operation.

NJM2521D FAQ

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3. Are the NJM2521D price and inventory displayed accurate?

The price and inventory of NJM2521D fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.

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5. How is the shipping arranged?

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Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.

6. What is the process for return or replacement of NJM2521D?

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 NJM2521D we delivered, we will accept the replacement or return of the NJM2521D 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 NJM2521D.

(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