OPA314_15 Datasheet, PDF (11/45 Pages) Texas Instruments – OPAx314 3-MHz, Low-Power, Low-Noise, RRIO, 1.8-V CMOS Operational Amplifier

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OPA314, OPA2314, OPA4314
SBOS563G – MAY 2011 – REVISED JUNE 2015
At T_A = 25°C, R_L = 10 kΩ connected to V_S/2, V_CM = V_S/2, and V_OUT = V_S/2, unless otherwise noted.
1000
1500
800
600
1000
400
500
200
0
0
-200
-400
-500
-600
-800
-1000
Typical Units
V_S = ±2.75 V
-2.75 -2 -1.25 -0.5 0 0.5 1.25 2 2.75
Common-Mode Voltage (V)
-1000 _{Typical Units}
V_S = ±2.75 V
-1500
-40 -25 -10 5
20 35 50 65 80 95 110 125
Temperature (°C)
Figure 7. Offset Voltage vs Common-Mode Voltage
120
100
+PSRR
80
-PSRR
60
40
CMRR
20
V_S = ±2.75 V
0
10
100
1k
10k
100k
1M
Frequency (Hz)
Figure 8. Offset Voltage vs Temperature
104
102
100
98
CMRR
96
94
92
PSRR
90
88
86
84
-50 -25
0
25
50
75
Temperature (°C)
100 125
Figure 9. CMRR and PSRR vs Frequency (Referred-to-Input)
Figure 10. CMRR and PSRR vs Temperature
100
Time (1 s/div)
Figure 11. 0.1-Hz to 10-Hz Input Voltage Noise
V_S = ±0.9 V
V_S = ±2.75 V
10
10
100
1k
10k
Frequency (Hz)
100k
Figure 12. Input Voltage Noise Spectral Density vs
Frequency
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