OPA2227-EP Datasheet, PDF (7/23 Pages) Texas Instruments – HIGH PRECISION, LOW NOISE OPERATIONAL AMPLIFIER

OPA2227-EP
www.ti.com
SBOS594 – MARCH 2012
TYPICAL CHARACTERISTICS (continued)
At T_A = 25°C, R_L = 10 kΩ, V_S = ±15 V (unless otherwise noted).
QUIESCENT CURRENT vs TEMPERATURE
5.0
QUIESCENT CURRENT vs SUPPLY VOLTAGE
3.8
4.5
±18V
±15V
3.6
±12V
4.0
±10V
3.4
±5V
3.5
±2.5V
3.2
3.0
3.0
2.5
–60 –40 –20
0 20 40 60 80
Temperature ( °C)
100 120 140
2.8
0 2 4 6 8 10 12 14 16 18 20
Supply Voltage (±V)
SLEW RATE vs TEMPERATURE
3.0
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)
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
10
0.01%
0.1%
1
±1
±10
±100
Gain (V/V)
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