LM2902B中文资料德州仪器数据手册PDF规格书

1 Features

• Wide supply range:

– 3 V to 36 V (B, BA versions)

– 3 V to 30 V (LMx24, LM2902V)

• Low input offset voltage maximum at 25°C:

– 2 mV (BA versions LM2902A, LM124A)

– 3 mV (B versions LMx24xA)

• Low input bias current maximum at 25°C:

– 35 nA (B, BA versions)

• 2-kV ESD protection (HBM) (B, BA, K versions)

• Internal RF and EMI filter (B, BA versions)

• Low quiescent current of 175-μA/ch typical

• Common-mode input voltage range includes VCC–

• Differential input voltage range equal to maximumrated

supply voltage

• Open-loop differential voltage amplification:

100-V/mV typical

• On products compliant to MIL-PRF-38535, all

parameters are tested unless otherwise noted. On

all other products, production processing does not

necessarily include testing of all parameters.

2 Applications

• Merchant network and server power supply units

• Multi-function printers

• Power supplies and mobile chargers

• Motor control: AC induction, brushed DC,

brushless DC, high-voltage, low-voltage,

permanent magnet, and stepper motor

• 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

• Electronic point-of-sale systems

3 Description

These devices consist of four independent, high-gain,

frequency-compensated, operational amplifiers that

are designed specifically to operate from a single

supply or split supply over a wide range of voltages.