Overview
The LM2902N/NOPB is a quad operational amplifier produced by Texas Instruments. It is part of the LM124-N series, designed to operate from a single power supply over a wide range of voltages, as well as from split-power supplies. This device is internally frequency compensated for unity gain and features a wide bandwidth of 1 MHz. It is particularly useful in applications requiring low power consumption and high DC voltage gain.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package | PDIP (N) | 14 pins |
| Operating Temperature Range | −40°C to 85°C | |
| Supply Voltage Range | Single Supply: 3 V to 32 V Dual Supplies: ±1.5 V to ±16 V | |
| Bandwidth (Unity Gain) | 1 MHz | |
| DC Voltage Gain | 100 dB | |
| Input Bias Current | 45 nA | |
| Input Offset Voltage | 2 mV | |
| Output Voltage Swing | 0 V to V+ - 1.5 V | |
| Supply Current Drain | 700 µA |
Key Features
- Internally frequency compensated for unity gain
- Large DC voltage gain of 100 dB
- Wide bandwidth 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 (700 µA) essentially independent of supply voltage
- Low input biasing current (45 nA) and low input offset voltage (2 mV)
- Input common-mode voltage range includes ground
- Differential input voltage range equal to the power supply voltage
- Large output voltage swing
- Compatible with all forms of logic
- Power drain suitable for battery operation
Applications
- Transducer amplifiers
- DC gain blocks
- Conventional op amp circuits in single power supply systems
- Merchant network and server power supply units
- Multi-function printers
- Power supplies and mobile chargers
- Desktop PC and motherboard
- Indoor and outdoor air conditioners
- Washers, dryers, and refrigerators
Q & A
- What is the package type of the LM2902N/NOPB?
The LM2902N/NOPB comes in a PDIP (N) package with 14 pins.
- What is the operating temperature range of the LM2902N/NOPB?
The operating temperature range is from -40°C to 85°C.
- What are the supply voltage ranges for the LM2902N/NOPB?
The device can operate from a single supply of 3 V to 32 V or from dual supplies of ±1.5 V to ±16 V.
- What is the bandwidth of the LM2902N/NOPB at unity gain?
The bandwidth at unity gain is 1 MHz.
- What is the DC voltage gain of the LM2902N/NOPB?
The DC voltage gain is 100 dB).
- What is the input bias current of the LM2902N/NOPB?
The input bias current is 45 nA).
- What is the input offset voltage of the LM2902N/NOPB?
The input offset voltage is 2 mV).
- Can the LM2902N/NOPB operate in single power supply systems?
Yes, the LM2902N/NOPB can operate in single power supply systems and can directly sense near ground and output voltage can swing to ground).
- What are some common applications of the LM2902N/NOPB?
Common applications include transducer amplifiers, DC gain blocks, conventional op amp circuits, and various consumer and industrial electronics such as printers, power supplies, and household appliances).
- Is the LM2902N/NOPB suitable for battery operation?
Yes, the device has a low power drain suitable for battery operation).
