High precision Operational Amplifier,SGM8551 Replace LMP2021.
FEATURES

• Low Offset Voltage: 4µV (TYP) 

• Rail-to-Rail Input and Output Swing 

• 2.5V to 5.5V Single Supply Operation 

• Voltage Gain: 145dB (TYP) at +5V 

• PSRR: 110dB (TYP) 

• CMRR: 105dB (TYP) 

• Ultra Low Input Bias Current: 10pA 

• Low Supply Current: 930µA (TYP) 

• Overload Recovery Time: 60µs (at VS = +5V) 

• No External Capacitors Required 

• -40℃ to +125℃ Operating Temperature Range 

• Available in Green SOIC-8 and MSOP-8 Packages






PIN CONFIGUTION
优势替代
LMP2021 LMP2021.pdf

No.10081

FEATURES

1(Typical Values, TA = 25°C, VS = 5 V)

• Input Offset Voltage (Typical) −0.4 µV 

• Input Offset Voltage (Max) ±5 µV 

• Input Offset Voltage Drift (Typical) –0.004 µV/°C 

• Input Offset Voltage Drift (Max) ±0.02 µV/°C 

• Input Voltage Noise, AV = 1000 11 nV/√Hz

• Open Loop Gain 160 dB

• CMRR 139 dB

• PSRR 130 dB

• Supply Voltage Range 2.2 V to 5.5 V

• Supply Current (per Amplifier) 1.1 mA

• Input Bias Current ±25 pA

• GBW 5 MHz

• Slew Rate 2.6 V/µs • Operating Temperature Range −40°C to 125°C 

• 5-Pin SOT-23, 8-Pin VSSOP and 8-Pin SOIC

Packages

PIN CONFIGUTION
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