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LM2902PT
+Nomenclature-
FabricantROM
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Pièce fabricant #LM2902PT
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR) |
| Part Status | Obsolete |
| Amplifier Type | General Purpose |
| Number of Circuits | 4 |
| Slew Rate | 0.3V/µs |
| Gain Bandwidth Product | 1.3 MHz |
| Current - Input Bias | 20 nA |
| Voltage - Input Offset | 1 mV |
| Supply Current | 1mA |
| Current - Output / Channel | 30 mA |
| Voltage - Supply Span(Min) | 3 V |
| Voltage - Supply Span(Max) | 32 V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
Présentation
Description
The device operates over a wide voltage range, typically from 3V to 32V, or ±1.5V to ±16V for dual supplies, which makes it suitable for battery-powered devices and other low-voltage systems. It features low power consumption, a key factor in extending battery life in portable applications.
The LM2902PT is known for its stability and reliability, with a low input bias current and a wide bandwidth. It is available in several package options, including the TSSOP-14, which offers compact size and ease of integration into circuit designs. This op-amp is commonly used in industrial, automotive, and consumer electronics to perform tasks such as amplification, voltage comparison, and signal integration.
Equivalent
Features
1. Wide Supply Voltage Range: Operates from a single power supply (3V to 32V) or dual supplies (±1.5V to ±16V).
2. Low Supply Current: Consumes minimal power, making it suitable for battery-powered applications.
3. Input Common-Mode Voltage Range: Extends to the negative supply, which is useful in single-supply applications.
4. Low Input Offset Voltage: Ensures accuracy in precision applications.
5. Wide Bandwidth: Provides sufficient bandwidth for many standard applications, with a unity-gain bandwidth of approximately 1 MHz.
6. Low Input Bias Current: Minimizes loading effects on preceding stages.
7. Temperature Range: Operates in a broad temperature range from -40°C to +125°C.
8. Package Options: Available in various packages like PDIP, SOIC, and TSSOP for design flexibility.
These features make the LM2902PT suitable for automotive, industrial, and consumer electronics applications, including sensor interfacing, signal conditioning, and amplification tasks.
Pinout
The LM2902PT is typically housed in a 14-pin plastic dual in-line package (PDIP) or small outline integrated circuit (SOIC) package. Here is a concise description of its pin count and function:
1. Pin Count: 14 pins.
2. Pin Functions:
- Pin 1, 7, 8, 14: Output of each operational amplifier (Op-Amp 1-4).
- Pin 2, 6, 9, 13: Inverting input of each operational amplifier (Op-Amp 1-4).
- Pin 3, 5, 10, 12: Non-inverting input of each operational amplifier (Op-Amp 1-4).
- Pin 4: Ground (or negative power supply).
- Pin 11: Positive power supply (VCC).
This configuration allows the LM2902PT to be utilized in multiple circuit designs for tasks such as voltage amplification, integration, differentiation, and signal filtering.
Manufacturer
Application
1. Sensor Amplification: Amplifies signals from sensors in automotive and industrial systems.
2. Signal Conditioning: Used in conditioning and filtering signals in data acquisition systems.
3. Voltage Followers: Serves as a buffer in circuit designs to prevent signal distortion.
4. Comparator Circuits: Utilized in creating voltage comparator circuits for threshold detection.
5. Audio Applications: Used in audio preamplifiers and active filters.
6. Analog Computation: Functions in analog computation circuits for mathematical operations.
These features make it suitable for a variety of consumer electronics, automotive, and industrial applications.