Overview
The LM2902DTB, produced by onsemi, is a quad operational amplifier designed for a wide range of applications. It is part of the LM2902 series, which is known for its high gain, internally frequency-compensated operational amplifiers. These amplifiers are specifically designed to operate from a single power supply over a wide voltage range, making them versatile for various electronic circuits.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Input Offset Voltage (VIO) | -2.0 | 5.0 | 7.0 | mV |
| Input Offset Current (IIO) | -3.0 | 30 | 50 | nA |
| Input Bias Current (IBIAS) | -40 | 250 | nA | |
| Input Common-Mode Voltage Range (VI(R)) | 0 | VCC - 1.5 | V | |
| Supply Current (ICC) at VCC = 5V | 0.7 | 1.2 | mA | |
| Supply Current (ICC) at VCC = 26V | 1.0 | 3.0 | mA | |
| Output Voltage Swing (VO(H)) at RL = 2kΩ | 22 | - | V | |
| Operating Temperature Range | -40°C | - | 105°C | |
| Package Type | TSSOP-14 | - | - |
Key Features
- Internally Frequency Compensated: Designed for unity gain stability.
- Wide Power Supply Range: Operates from 3V to 26V (or ±1.5V to ±13V).
- Large Output Voltage Swing: Output voltage range includes 0V to VCC - 1.5V.
- Single Supply Operation: Can operate from a single power supply, eliminating the need for external biasing components in many applications.
- Short Circuited Protected Outputs: Protected against short circuits.
- True Differential Input Stage: Provides accurate differential input signals.
- Low Power Drain: Suitable for battery operation.
Applications
- Transducer Amplifiers: Ideal for amplifying signals from transducers.
- DC Gain Blocks: Used in various DC gain applications.
- Conventional OP Amp Circuits: Suitable for all conventional operational amplifier circuits.
- Automotive Systems: The NCV2902 variant is qualified for automotive use.
Q & A
- What is the operating temperature range of the LM2902DTB? The operating temperature range is -40°C to +105°C.
- What is the typical input offset voltage of the LM2902DTB? The typical input offset voltage is 5.0 mV.
- What is the maximum supply current at VCC = 26V? The maximum supply current is 3.0 mA.
- What is the output voltage swing at RL = 2kΩ? The output voltage swing is up to 22V.
- Is the LM2902DTB protected against short circuits? Yes, it has short-circuited protected outputs.
- What is the package type of the LM2902DTB? The package type is TSSOP-14.
- Can the LM2902DTB operate from a single power supply? Yes, it can operate from a single power supply over a wide voltage range.
- What is the input common-mode voltage range? The input common-mode voltage range includes ground up to VCC - 1.5V.
- Is the LM2902DTB suitable for automotive applications? Yes, the NCV2902 variant is qualified for automotive use.
- What is the typical input bias current? The typical input bias current is 250 nA.
