OPA4277-SP Datasheet, PDF (8/21 Pages) Texas Instruments – High-Precision Operational Amplifier

OPA4277-SP
SBOS771 – DECEMBER 2016
www.ti.com
Typical Characteristics (continued)
At T_J = 25°C, V_S = ±15 V, and R_L = 2 kΩ, pre-irradiated (unless otherwise noted).
160
5
4
150
3
CMR
140
A_OL
2
1
130
0
PSR
–1
120
–2
110
–3
–4
100
–75 –50 –25
0 25 50
Temperature ( °C)
75 100 125
–5
–75 –50 –25 0
25 50
Temperature ( °C)
Curves represent typical production units.
75 100 125
1000
950
900
850
800
750
700
650
600
550
500
–75
Figure 7. A_OL, CMR, PSR vs Temperature
100
90
80
70
±I_Q
60
50
–I_SC
40
+I_SC
30
20
10
–50 –25 0
0
25 50 75 100 125
Temperature (°C)
Figure 9. Quiescent Current and Short-Circuit Current vs
Temperature
2.0
1.5
1.0
V_S = ±5 V
0.5
0.0
–0.5
V_S = ±15 V
–1.0
–1.5
–2.0
–15
–10
–5
0
5
10
15
Common-Mode Voltage (V)
Curve shows normalized change in bias current with respect to
V_CM = 0 V. Typical I_B may range from –0.5 nA to 0.5 nA at
V_CM = 0 V.
Figure 11. Change in Input Bias Current vs Common-Mode
Voltage
Figure 8. Input Bias Current vs Temperature
2.0
1.5
1.0
0.5
0.0
–0.5
V_CM = 0 V
–1.0
–1.5
–2.0
0
5 10 15 20 25 30 35 40
Supply Voltage (V)
Curve shows normalized change in bias current with respect to V_S
= ±10 V (+20 V). Typical I_B may range from –0.5 nA to 0.5 nA at
V_S = ±10 V.
Figure 10. Change in Input Bias Current vs Power Supply
Voltage
1000
900
800
700
600
500
0
Per amplifier
±5
±10
±15
±20
Supply Voltage (V)
Figure 12. Quiescent Current vs Supply Voltage
8
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