Datasheet

®
OPA2111 6
TYPICAL PERFORMANCE CURVES (CONT)
T
A
= +25°C, and V
CC
= ±15VDC unless otherwise noted.
TOTAL INPUT VOLTAGE NOISE SPECTRAL DENSITY
AT 1kHz vs SOURCE RESISTANCE
1k
100
10
Voltage Noise, E
O
(nV/ Hz)
100 1k 10k 100k 1M 10M 100M
Resistor Noise Only
OPA2111 +
Resistor
1
E
O
R
S
BM
Source Resistance (Ω)
COMMON-MODE REJECTION
vs INPUT COMMON-MODE VOLTAGE
–15
Common-Mode Voltage (V)
–10 –5 0 5 10 15
Common-Mode Rejection (dB)
120
110
100
90
80
70
INPUT OFFSET VOLTAGE CHANGE
DUE TO THERMAL SHOCK
150
75
0
–75
Time From Thermal Shock (Minutes)
Offset Voltage Change (µV)
–1012345
25°C 85°C
BM
AM
Air Environment
–150
T
A
= 25°C to T
A
= 85°C
GAIN-BANDWIDTH AND SLEW RATE
vs TEMPERATURE
–50 –25 0 25 50 75 100 125
Ambient Temperature (°C)
Gain Bandwidth (MHz)
–75
4
3
2
1
0
Slew Rate (V/µs)
4
3
2
1
0
10
1
0.1
BIAS AND OFFSET CURRENT
vs INPUT COMMON-MODE VOLTAGE
–15 –10 –5 0 5 10 15
Bias Current (pA)
Offset Current (pA)
Common-Mode Voltage (V)
Bias Current
Offset Current
0.01
0.01
10
1
0.1
OPEN-LOOP GAIN vs TEMPERATURE
140
130
120
110
–50 –25 0 25 50 75 100 125
Ambient Temperature (°C)
Voltage Gain (dB)
–75
100