Specifications
| Attribute | Value |
| Package | Tube |
| ProductStatus | Active |
| AmplifierType | General Purpose |
| NumberofCircuits | 2 |
| SlewRate | 0.5V/µs |
| GainBandwidthProduct | 600 kHz |
| Current-InputBias | 25 nA |
| Voltage-InputOffset | 2 mV |
| Current-Supply | 700µA |
| Current-Output/Channel | 30 mA |
| Voltage-SupplySpan(Min) | 3 V |
| Voltage-SupplySpan(Max) | 32 V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Through Hole |
| Package/Case | 8-DIP (0.300, 7.62mm) |
Overview
Description
The NJM2904D is a dual operational amplifier integrated circuit commonly used in electronic applications. It is designed for low power consumption and offers a wide range of operating voltage from 3V to 32V, making it versatile for various applications. The NJM2904D features internal frequency compensation and short circuit protection, enhancing its reliability and performance. It operates with a low input bias current and offset, which makes it suitable for precision applications.
This op-amp is often used in signal amplification, filtering, and analog computation tasks in both consumer and industrial devices. The D in NJM2904D typically indicates a specific package type, often referring to a DIP (Dual Inline Package) configuration, which is suitable for through-hole PCB designs, facilitating easy integration into circuits. Its robustness and efficiency make it a popular choice for both beginners and experienced engineers in designing analog electronic circuits.
This op-amp is often used in signal amplification, filtering, and analog computation tasks in both consumer and industrial devices. The D in NJM2904D typically indicates a specific package type, often referring to a DIP (Dual Inline Package) configuration, which is suitable for through-hole PCB designs, facilitating easy integration into circuits. Its robustness and efficiency make it a popular choice for both beginners and experienced engineers in designing analog electronic circuits.
Equivalent
The NJM2904D is a dual operational amplifier. Equivalent products include:
1. LM358
2. MC1458
3. OP290
4. AD708
These alternatives typically offer similar performance attributes such as dual op-amp configurations, voltage range, and pin compatibility, making them suitable replacements in most applications. Always check the specific datasheet to ensure compatibility with your circuit requirements.
1. LM358
2. MC1458
3. OP290
4. AD708
These alternatives typically offer similar performance attributes such as dual op-amp configurations, voltage range, and pin compatibility, making them suitable replacements in most applications. Always check the specific datasheet to ensure compatibility with your circuit requirements.
Features
The NJM2904D is a dual operational amplifier (op-amp) known for its versatility and reliability in various applications. Key features include:
1. Dual Op-Amp Configuration: Contains two independent amplifiers in a single package, suitable for differential signal processing.
2. Wide Supply Voltage Range: Operates from a single or dual power supply, typically ranging from ±3V to ±32V.
3. Low Power Consumption: Designed for efficient operation with minimal power usage, making it ideal for battery-powered devices.
4. High Gain: Offers a high open-loop gain, which is beneficial for precision amplification tasks.
5. Wide Bandwidth: Ensures stable performance across a range of frequencies, suitable for audio and general-purpose applications.
6. Low Input Offset Voltage: Provides accurate signal amplification with minimal deviation.
7. Short Circuit Protection: Built-in protection against output short circuits, enhancing durability.
8. Temperature Range: Operates effectively within a wide temperature range, suitable for various environmental conditions.
These features make the NJM2904D a versatile choice for applications such as signal conditioning, filtering, and instrumentation.
1. Dual Op-Amp Configuration: Contains two independent amplifiers in a single package, suitable for differential signal processing.
2. Wide Supply Voltage Range: Operates from a single or dual power supply, typically ranging from ±3V to ±32V.
3. Low Power Consumption: Designed for efficient operation with minimal power usage, making it ideal for battery-powered devices.
4. High Gain: Offers a high open-loop gain, which is beneficial for precision amplification tasks.
5. Wide Bandwidth: Ensures stable performance across a range of frequencies, suitable for audio and general-purpose applications.
6. Low Input Offset Voltage: Provides accurate signal amplification with minimal deviation.
7. Short Circuit Protection: Built-in protection against output short circuits, enhancing durability.
8. Temperature Range: Operates effectively within a wide temperature range, suitable for various environmental conditions.
These features make the NJM2904D a versatile choice for applications such as signal conditioning, filtering, and instrumentation.
Pinout
The NJM2904D is a dual operational amplifier. It typically comes in an 8-pin DIP (Dual In-line Package). Here is a concise description of the pin functions:
1. Pin 1 (Output A): This is the output pin for the first operational amplifier.
2. Pin 2 (Inverting Input A): This is the inverting input terminal for the first operational amplifier.
3. Pin 3 (Non-inverting Input A): This is the non-inverting input terminal for the first operational amplifier.
4. Pin 4 (V- or GND): This is the negative power supply terminal or ground.
5. Pin 5 (Non-inverting Input B): This is the non-inverting input terminal for the second operational amplifier.
6. Pin 6 (Inverting Input B): This is the inverting input terminal for the second operational amplifier.
7. Pin 7 (Output B): This is the output pin for the second operational amplifier.
8. Pin 8 (V+ or Vcc): This is the positive power supply terminal.
The NJM2904D is used in various applications for signal amplification and processing, such as audio processing, sensor interfacing, and analog signal conditioning.
1. Pin 1 (Output A): This is the output pin for the first operational amplifier.
2. Pin 2 (Inverting Input A): This is the inverting input terminal for the first operational amplifier.
3. Pin 3 (Non-inverting Input A): This is the non-inverting input terminal for the first operational amplifier.
4. Pin 4 (V- or GND): This is the negative power supply terminal or ground.
5. Pin 5 (Non-inverting Input B): This is the non-inverting input terminal for the second operational amplifier.
6. Pin 6 (Inverting Input B): This is the inverting input terminal for the second operational amplifier.
7. Pin 7 (Output B): This is the output pin for the second operational amplifier.
8. Pin 8 (V+ or Vcc): This is the positive power supply terminal.
The NJM2904D is used in various applications for signal amplification and processing, such as audio processing, sensor interfacing, and analog signal conditioning.
Manufacturer
The NJM2904D is manufactured by New Japan Radio Co., Ltd., also known as NJR. NJR is a semiconductor company that specializes in the development and production of electronic components. It is known for producing a wide range of semiconductor products, including operational amplifiers, RF ICs, power management ICs, and audio ICs, among others. The company serves various industries, including consumer electronics, automotive, industrial, and telecommunications. NJR is a part of the Nisshinbo Group, a conglomerate that operates in several sectors, including electronics, textiles, chemicals, and real estate.
Application
The NJM2904D is a dual operational amplifier commonly used in a variety of applications due to its versatility and low cost. Key application areas include:
1. Signal Amplification: Used in audio, sensor, and data acquisition systems to amplify weak signals.
2. Active Filters: Integral in designing low-pass, high-pass, band-pass, and band-stop filters.
3. Voltage Followers: Employed in buffering applications to prevent signal distortion.
4. Comparators: Utilized in circuits where voltage levels need to be compared.
5. Oscillators: Useful in generating waveforms for timing and waveform generation circuits.
6. Analog Computing: Functions in analog summation, integration, and differentiation circuits.
These features make it suitable for consumer electronics, industrial controls, and communication equipment.
1. Signal Amplification: Used in audio, sensor, and data acquisition systems to amplify weak signals.
2. Active Filters: Integral in designing low-pass, high-pass, band-pass, and band-stop filters.
3. Voltage Followers: Employed in buffering applications to prevent signal distortion.
4. Comparators: Utilized in circuits where voltage levels need to be compared.
5. Oscillators: Useful in generating waveforms for timing and waveform generation circuits.
6. Analog Computing: Functions in analog summation, integration, and differentiation circuits.
These features make it suitable for consumer electronics, industrial controls, and communication equipment.
Package
The NJM2904D is typically available in a Dual In-line Package (DIP), specifically an 8-pin DIP. This package type is suitable for through-hole mounting on printed circuit boards.
