OPA314 Datasheet, PDF (8/35 Pages) Texas Instruments – 3-MHz, Low-Power, Low-Noise, RRI/O, 1.8-V CMOS OPERATIONAL AMPLIFIER

OPA314
OPA2314
OPA4314
SBOS563D – MAY 2011 – REVISED MARCH 2012
www.ti.com
140
120
100
80
60
40
20
0
-20
1
TYPICAL CHARACTERISTICS
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.
OPEN-LOOP GAIN AND PHASE
vs FREQUENCY
0
140
R_L = 10 kW/10 pF
V_S = ±2.5 V
-20
-40
130
OPEN-LOOP GAIN
vs TEMPERATURE
10 kW, 5.5 V
-60
2 kW, 5.5 V
-80
120
-100
-120
110
10 kW, 1.8 V
-140
-160
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
Figure 1.
100
-50 -25
0
25
50
75
Temperature (°C)
Figure 2.
100 125
QUIESCENT CURRENT
vs SUPPLY
180
170
160
150
140
130
120
110
100
90
80
1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
Supply Voltage (V)
Figure 3.
QUIESCENT CURRENT
vs TEMPERATURE
160
155
V_S = 5.5 V
150
145
140
135
130
125
V_S = 1.8 V
120
-50 -25
0
25
50
75
Temperature (°C)
Figure 4.
100 125
OFFSET VOLTAGE PRODUCTION DISTRIBUTION
12
10
8
6
4
2
0
Offset Voltage (mV)
Figure 5.
OFFSET VOLTAGE DRIFT DISTRIBUTION
30
25
20
15
10
5
0
0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
Offset Voltage Drift (mV/°C)
Figure 6.
8
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