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