OPA227 Datasheet, PDF (8/25 Pages) Burr-Brown (TI) – High Precision, Low Noise OPERATIONAL AMPLIFIERS

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
OPA227
2.5 _{Positive Slew Rate}
2.0
Negative Slew Rate
1.5
1.0
0.5
0
–75
–50 –25
R_LOAD = 2kΩ
C_LOAD = 100pF
0
25 50 75 100 125
Temperature (°C)
SLEW RATE vs TEMPERATURE
12
OPA228
10
8
6
4
2
0
–75
–50 –25
R_LOAD = 2kΩ
C_LOAD = 100pF
0
25 50 75 100 125
Temperature (°C)
CHANGE IN INPUT BIAS CURRENT
vs POWER SUPPLY VOLTAGE
2.0
Curve shows normalized change in bias current
1.5
with respect to V_S = ±10V. Typical I_B may range
1.0
from –2nA to +2nA at V_S = ±10V.
0.5
0
–0.5
–1.0
–1.5
–2.0
0
5 10 15 20 25 30 35 40
Supply Voltage (V)
CHANGE IN INPUT BIAS CURRENT
vs COMMON-MODE VOLTAGE
1.5
Curve shows normalized change in bias current
1.0
with respect to V_CM = 0V. Typical I_B may range
from –2nA to +2nA at V_CM = 0V.
0.5
0
–0.5
–1.0
V_S = ±15V
V_S = ±5V
–1.5
–15
–10
–5
0
5
10
15
Common-Mode Voltage (V)
SETTLING TIME vs CLOSED-LOOP GAIN
100
V_S = ±15V, 10V Step
C_L = 1500pF
R_L = 2kΩ
OPA227
10
0.01%
0.1%
OPA228
0.01% _0.1%
1
±1
±10
±100
Gain (V/V)
OUTPUT VOLTAGE SWING vs OUTPUT CURRENT
15
V+
14
(V+) –1V
13
12
125°C
11
85°C
10
25°C
–40°C
–55°C
(V+) –2V
(V+) –3V
–10
–11
–12
–13
–14
–15
0
85°C
125°C
10
20
30
–55°C
25°C
40
–40°C
50
(V–) +3V
(V–) +2V
(V–) +1V
V–
60
Output Current (mA)
OPA227, 2227, 4227
8
OPA228, 2228, 4228
www.ti.com
SBOS110A