Overview
The LM2902DRG3 is a quad operational amplifier (op-amp) produced by Texas Instruments. It is part of the next-generation LM2902B series, which offers improved specifications and enhanced performance compared to its predecessors. This device is designed to operate over a wide range of supply voltages and is suitable for various cost-sensitive applications that require high reliability and robust performance.
The LM2902DRG3 is unity-gain stable and features low input offset voltage, high differential input voltage capability, and integrated EMI and RF filters. These characteristics make it an excellent choice for applications in rugged and environmentally challenging environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC (D) | - |
| Pins | 14 | - |
| Operating Temperature Range | -40 to 125 | °C |
| Supply Voltage Range | 3 V to 26 V (single supply), ±1.5 V to ±13 V (dual supply) | V |
| Input Offset Voltage | ±3 mV (typical), ±2 mV (BA version) | mV |
| Input Bias Current | 50 nA (maximum) | nA |
| ESD Rating | 2 kV (HBM), 1.5 kV (CDM) | kV |
| Bandwidth | 1.2 MHz | MHz |
| Slew Rate | 0.5 V/μs | V/μs |
| Common-Mode Input Voltage Range | Includes V– | - |
| Differential Input Voltage Range | Up to supply voltage | V |
Key Features
- Next-generation LM2902B series with improved specifications
- Drop-in replacement for all versions of LM224, LM324, and LM2902
- Wide supply voltage range: 3 V to 36 V (B, BA versions)
- Low input offset voltage: ±2 mV (BA version) / 3 mV (B version)
- High ESD rating: 2 kV (HBM), 1.5 kV (CDM)
- Integrated EMI and RF filters
- Low input bias current: 50 nA maximum across –40°C to 125°C
- Common-mode input voltage range includes V–
- Input voltage differential can be driven up to supply voltage
Applications
- Transducer amplifiers
- DC amplification blocks
- Conventional operational-amplifier circuits in single-supply-voltage 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 operating temperature range of the LM2902DRG3?
The operating temperature range is –40°C to 125°C.
- What is the supply voltage range for the LM2902DRG3?
The supply voltage range is 3 V to 26 V for single supply and ±1.5 V to ±13 V for dual supply.
- What is the typical input offset voltage for the LM2902DRG3?
The typical input offset voltage is ±3 mV, with ±2 mV for the BA version.
- What is the ESD rating of the LM2902DRG3?
The ESD rating is 2 kV (HBM) and 1.5 kV (CDM).
- What is the bandwidth of the LM2902DRG3?
The bandwidth is 1.2 MHz.
- Can the LM2902DRG3 be used as a drop-in replacement for other op-amps?
Yes, it can be used as a drop-in replacement for all versions of LM224, LM324, and LM2902.
- What is the common-mode input voltage range of the LM2902DRG3?
The common-mode input voltage range includes V–.
- What is the differential input voltage range of the LM2902DRG3?
The differential input voltage range can be driven up to the supply voltage.
- What are some typical applications of the LM2902DRG3?
Typical applications include transducer amplifiers, DC amplification blocks, power supplies, multi-function printers, and various consumer electronics.
- Is the LM2902DRG3 RoHS compliant?
Yes, the LM2902DRG3 is RoHS compliant.
