Datasheet Analog Devices OP297GS — 数据表

Dual Low Bias Current
Precision Operational Amplifier
OP297
PIN CONFIGURATION Low offset voltage: 50 μV maximum
Low offset voltage drift: 0.6 μV/°C maximum
Very low bias current: 100 pA maximum
Very high open-loop gain: 2000 V/mV minimum
Low supply current (per amplifier): 625 μA maximum
Operates from ±2 V to ±20 V supplies
High common-mode rejection: 120 dB minimum –INB V– 4 5 +INB VS = ±15V
VCM = 0V INPUT CURRENT (pA) 40 20
I B–
0
I B+
–20
IOS –60
–75 –50 –25 0
25
50
TEMPERATURE (°C) 75 100 125 00300-002 –40 Figure 2. Low Bias Current over Temperature 400
1200 UNITS TA = 25°C
VS = ±15V
VCM = 0V NUMBER OF UNITS 300 200 100 0 …