OPA2314-EP Datasheet, PDF (7/23 Pages) Texas Instruments – 3-MHz, LOW-POWER, LOW-NOISE, RRI/O, 1.8-V CMOS OPERATIONAL AMPLIFIER

OPA2314-EP
www.ti.com
SBOS597 – SEPTEMBER 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
1000
OFFSET VOLTAGE vs TEMPERATURE
800
800
600
600
400 ^{Typical Units}
400
VS = “2.75 V
200
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)
±200
±400
±600
±800
±50 ±25 0
25 50 75
Temperature (ƒC)
100 125 150
C003
Figure 8.
Figure 9.
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 10.
119
114
109
104
99
94
89
84
±50 ±25
CMRR AND PSRR
vs TEMPERATURE
CMRR
PSRR
0 25 50 75 100 125 150
Temperature (ƒC)
C004
Figure 11.
0.1-Hz to 10-Hz INPUT VOLTAGE NOISE
INPUT VOLTAGE NOISE SPECTRAL DENSITY
vs FREQUENCY
100
Time (1 s/div)
Figure 12.
V_S = ±0.9 V
V_S = ±2.75 V
10
10
100
1k
10k
Frequency (Hz)
Figure 13.
100k
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