TYPICAL PERFORMANCE CURVES
At T
A
= +25°C,
±V
CC
=
±15VDC,
unless otherwise noted.
INPUT OFFSET VOLTAGE WARM-UP DRIFT
+10
Offset Voltage Change (µV)
+20
INPUT OFFSET VOLTAGE CHANGE
DUE TO THERMAL SHOCK
+5
G
0
Offset Voltage Change (µV)
+10
0
+25°C
+70°C
T
A
= +25°C to T
A
= +70°C
Fluid Bath
–5
TO-99
–10
0
1
2
3
4
5
6
Time From Power Turn-On (min)
–10
–20
–1
0
+1
+2
+3
+4
+5
Time From Thermal Shock (min)
INPUT VOLTAGE NOISE vs NOISE BANDWIDTH
(0.1Hz to Indicated Frequency)
10
100
80
60
TOTAL INPUT VOLTAGE NOISE SPECTRAL DENSITY
vs SOURCE RESISTANCE
R
1
-
+
20
10
8
6
4
2
1
R
1
R
SOURCE
= 2 x R
1
10Hz
1kHz
Resistor Noise Only
1
0.1
R
S
= 0
Ω
0.01
100
1k
10k
100k
Noise Bandwidth (Hz)
Voltage Noise (nV/√Hz)
Voltage Noise (µVrms)
40
100
1k
Source Resistance (
Ω
)
10k
VOLTAGE NOISE SPECTRAL DENSITY
vs SUPPLY VOLTAGE
5
5
VOLTAGE NOISE SPECTRAL DENSITY
vs TEMPERATURE
10Hz
Voltage Noise (nV/√Hz)
4
Voltage Noise (nV/√Hz)
10Hz
4
1kHz
3
3
1kHz
2
2
1
0
±5
±10
Supply Voltage (V
CC
)
±15
±20
1
–75
–50
–25
0
+25
+50
+75
+100
+125
Ambient Temperature (°C)
®
5
OPA27, 37
ETC [ ETC ]
