Overview
The LM2902N is a low-power, quad-operational amplifier (op-amp) produced by Texas Instruments. This device consists of four independent, high-gain operational amplifiers that employ internal frequency compensation. It is specifically designed for automotive and industrial control systems, offering a wide range of operational capabilities and low power consumption, making it suitable for battery-operated devices as well as systems requiring minimal power drain.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Op-Amps | 4 |
| Package Types | SOIC (D), PDIP (N) |
| Pins | 14 |
| Operating Temperature Range (°C) | -40 to 85 |
| DC Voltage Gain | 100 dB |
| Bandwidth (Unity Gain) | 1 MHz |
| Power Supply Range | Single Supply: 3 V to 32 V, Dual Supplies: ±1.5 V to ±16 V |
| Supply Current per Amplifier | 700 µA (typical) |
| Input Bias Current | 45 nA (typical) |
| Input Offset Voltage | 2 mV (typical) |
| Input Offset Current | 5 nA (typical) |
| Input Common-Mode Voltage Range | Includes Ground |
| Output Voltage Swing | 0 V to V+ - 1.5 V |
Key Features
- Internally frequency compensated for unity gain
- Wide bandwidth (unity gain) of 1 MHz
- Wide power supply range: single supply from 3 V to 32 V, or dual supplies from ±1.5 V to ±16 V
- Very low supply current drain, essentially independent of supply voltage
- Low input biasing current and low input offset voltage and current
- Input common-mode voltage range includes ground
- Large output voltage swing
- Compatible with all forms of logic
- Suitable for battery operation
Applications
The LM2902N is designed for various applications, including automotive and industrial control systems. Its low power consumption and wide operational range make it ideal for battery-operated devices, sensor circuits, and other systems where minimal power drain is crucial. It is also suitable for use in general-purpose amplification, voltage followers, and other linear circuit applications.
Q & A
- What is the LM2902N? The LM2902N is a low-power, quad-operational amplifier produced by Texas Instruments.
- How many op-amps are in the LM2902N? The LM2902N contains four independent op-amps.
- What are the package options for the LM2902N? The LM2902N is available in SOIC (D) and PDIP (N) packages.
- What is the operating temperature range of the LM2902N? The operating temperature range is -40°C to 85°C.
- What is the DC voltage gain of the LM2902N? The DC voltage gain is 100 dB.
- What is the bandwidth of the LM2902N at unity gain? The bandwidth at unity gain is 1 MHz.
- What is the power supply range for the LM2902N? The power supply range is from 3 V to 32 V for single supply, or ±1.5 V to ±16 V for dual supplies.
- What is the typical supply current per amplifier? The typical supply current per amplifier is 700 µA.
- Is the LM2902N suitable for battery operation? Yes, the LM2902N is suitable for battery operation due to its low power consumption.
- What are some common applications of the LM2902N? Common applications include automotive and industrial control systems, sensor circuits, and general-purpose amplification.
