Overview
The LM2902PWRE4 is a quad operational amplifier produced by Texas Instruments. It is part of the next-generation LM2902B series, which offers improved specifications and enhanced performance. This device is designed to be a drop-in replacement for all versions of the LM224, LM324, and LM2902 operational amplifiers. The LM2902PWRE4 is known for its high voltage capability, low input offset voltage, and integrated EMI and RF filters, making it suitable for a wide range of applications.
Key Specifications
| Parameter | Value |
|---|---|
| Package | TSSOP (PW), 14 pins |
| Operating Temperature Range | -40°C to 125°C |
| Supply Voltage Range | 3V to 36V (B, BA versions) |
| Input Offset Voltage | ±2mV (BA version) / ±3mV (B version) |
| ESD Rating | 2kV (HBM), 1.5kV (CDM) |
| Input Bias Current | 50nA maximum (across -40°C to 125°C) |
| Common-Mode Input Voltage Range | Includes V– |
| Differential Input Voltage | Up to supply voltage |
| Quiescent Current per Amplifier | 240µA typical |
| Thermal Resistance (Junction-to-Ambient) | 124.7°C/W (TSSOP) |
Key Features
- Next-generation LM2902B series with improved specifications
- B versions are drop-in replacements for all versions of LM224, LM324, and LM2902
- Supply range: 3V to 36V (B, BA versions)
- Low input offset voltage: ±2mV (BA version) / ±3mV (B version)
- ESD rating: 2kV (HBM), 1.5kV (CDM)
- Integrated EMI and RF filters
- Low input bias current: 50nA 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
- 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 other household appliances
Q & A
- What is the operating temperature range of the LM2902PWRE4?
The operating temperature range is -40°C to 125°C. - What is the supply voltage range for the LM2902PWRE4?
The supply voltage range is 3V to 36V for B and BA versions. - What is the input offset voltage of the LM2902PWRE4?
The input offset voltage is ±2mV for BA versions and ±3mV for B versions. - Does the LM2902PWRE4 have ESD protection?
Yes, it has an ESD rating of 2kV (HBM) and 1.5kV (CDM). - What is the common-mode input voltage range of the LM2902PWRE4?
The common-mode input voltage range includes V–. - Can the LM2902PWRE4 replace older versions of LM224, LM324, and LM2902?
Yes, the B versions are drop-in replacements for all versions of LM224, LM324, and LM2902. - What is the quiescent current per amplifier for the LM2902PWRE4?
The quiescent current per amplifier is 240µA typical. - What are some typical applications of the LM2902PWRE4?
Typical applications include merchant network and server power supply units, multi-function printers, power supplies, mobile chargers, desktop PCs, motherboards, and various household appliances. - Does the LM2902PWRE4 have integrated EMI and RF filters?
Yes, it has integrated EMI and RF filters. - What is the package type and pin count of the LM2902PWRE4?
The package type is TSSOP (PW) with 14 pins.
