TYPICAL PERFORMANCE CURVES
(CONT)
At T
A
= +25°C, R
L
= 10kΩ, and V
S
=
±15V,
unless otherwise noted.
SLEW RATE vs TEMPERATURE
3.0
12
SLEW RATE vs TEMPERATURE
OPA227
2.5
Slew Rate (µV/V)
2.0
1.5
1.0
0.5
0
–75
–50
–25
0
25
50
75
100
125
Temperature (°C)
R
LOAD
= 2kΩ
C
LOAD
= 100pF
Positive Slew Rate
Slew Rate (µV/V)
Negative Slew Rate
10
8
6
4
2
0
OPA228
R
LOAD
= 2kΩ
C
LOAD
= 100pF
–75
–50
–25
0
25
50
75
100
125
Temperature (°C)
CHANGE IN INPUT BIAS CURRENT
vs POWER SUPPLY VOLTAGE
2.0
1.5
1.0
Curve shows normalized change in bias current
with respect to V
S
=
±10V.
Typical I
B
may range
from –2nA to +2nA at V
S
=
±10V.
∆I
B
(nA)
1.5
1.0
0.5
0
–0.5
–1.0
–1.5
0
5
10
15
20
25
30
35
40
–15
CHANGE IN INPUT BIAS CURRENT
vs COMMON-MODE VOLTAGE
Curve shows normalized change in bias current
with respect to V
CM
= 0V. Typical I
B
may range
from –2nA to +2nA at V
CM
= 0V.
∆I
B
(nA)
0.5
0
–0.5
–1.0
–1.5
–2.0
Supply Voltage (V)
V
S
=
±15V
V
S
=
±5V
–10
–5
0
5
10
15
Common-Mode Voltage (V)
SETTLING TIME vs CLOSED-LOOP GAIN
100
15
V
S
=
±15V,
10V Step
C
L
= 1500pF
R
L
= 2kΩ
14
Output Voltage Swing (V)
OUTPUT VOLTAGE SWING vs OUTPUT CURRENT
V+
(V+) –1V
(V+) –2V
125°C
85°C
25°C
–40°C
–55°C
(V+) –3V
13
12
11
10
–10
–11
–12
–13
–14
–15
85°C
125°C
–40°C
25°C
Settling Time (µs)
OPA227
10
0.01%
0.1%
OPA228
0.01%
0.1%
–55°C
(V–) +3V
(V–) +2V
(V–) +1V
V–
1
±1
±10
Gain (V/V)
±100
0
10
20
30
40
50
60
Output Current (mA)
8
OPA227, 2227, 4227
OPA228, 2228, 4228
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SBOS110A
BURR-BROWN [ BURR-BROWN CORPORATION ]
