OPA314 Datasheet, PDF (9/35 Pages) Texas Instruments – 3-MHz, Low-Power, Low-Noise, RRI/O, 1.8-V CMOS OPERATIONAL AMPLIFIER

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OPA314
OPA2314
OPA4314
SBOS563D – MAY 2011 – REVISED MARCH 2012
TYPICAL CHARACTERISTICS (continued)
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.
OFFSET VOLTAGE vs COMMON-MODE VOLTAGE
OFFSET VOLTAGE vs TEMPERATURE
1000
1500
800
600
1000
400
500
200
0
0
-200
-400
-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)
-500
-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.
Figure 8.
CMRR AND PSRR
vs FREQUENCY (Referred-to-Input)
120
100
+PSRR
80
-PSRR
60
40
CMRR
20
V_S = ±2.75 V
0
10
100
1k
10k
100k
1M
Frequency (Hz)
Figure 9.
104
102
100
98
96
94
92
90
88
86
84
-50
CMRR AND PSRR
vs TEMPERATURE
CMRR
PSRR
-25
0
25
50
75
Temperature (°C)
Figure 10.
100 125
0.1-Hz to 10-Hz INPUT VOLTAGE NOISE
INPUT VOLTAGE NOISE SPECTRAL DENSITY
vs FREQUENCY
100
Time (1 s/div)
Figure 11.
V_S = ±0.9 V
V_S = ±2.75 V
10
10
100
1k
10k
Frequency (Hz)
Figure 12.
100k
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