1 Features
• New LM324B and LM2902B
• B versions are drop-in replacements for all
versions of LM224, LM324, and LM2902
• Improved specifications of B version
– Supply range: 3 V to 36 V (B, BA versions)
– Low input offset voltage: ±2 mV (BA version) / 3
mV (B version)
– ESD rating: 2 kV (HBM), 1.5 kV (CDM)
– EMI rejection: integrated RF and EMI filter
– 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
• For dual B versions, see LM358B and LM2904B

2 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 refrigerators
• AC inverters, string inverters, central inverters, and
voltage frequency drives
• Uninterruptible power supplies

3 Description
The LM324B and LM2902B devices are the
next-generation versions of the industry-standard
operational amplifiers (op amps) LM324 and LM2902,
which include four high-voltage (36 V) op amps.
These devices provide outstanding value for costsensitive
applications, with features including low offset (600 μV, typical),
common-mode input range to ground, and high
differential input voltage capability.
The LM324B and LM2902B are unity-gain stable and
achieve a low offset voltage maximum of 3 mV (2
mV maximum for LM324BA and LM2902BA) and
quiescent current of 240 μA per amplifier (typical).
High ESD (2 kV HBM and 1.5 kV CDM) and
integrated EMI and RF filters enable the LM324B and
LM2902B devices to be used in the most rugged,
environmentally challenging applications.
The LM324B and LM2902B can drop-in replace all
versions of the LM224, LM324, and LM2902 devices.