OPA314-Q1 Datasheet, PDF (15/38 Pages) Texas Instruments – 3-MHz, Low-Power, Low-Noise, RRIO, 1.8-V CMOS Operational Amplifier

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20
18
16
14
12
10
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
Common-Mode Input Voltage (V)
f = 1 kHz
V_S = ±2.75 V
OPA314-Q1, OPA2314-Q1, OPA4314-Q1
SLOS896B – DECEMBER 2014 – REVISED JANUARY 2017
1000
I_OS
900
I_B
800
700
600
500
400
300
200
100
0
-50 -25 0
25 50 75 100 125 150
Temperature (°C)
Figure 13. Voltage Noise vs Common-Mode Voltage
100k
V_S = ±0.9 V
V_S = ±2.75 V
10k
1k
1
1
10 100 1k 10k 100k 1M 10M
Frequency (Hz)
Figure 15. Open-Loop Output Impedance vs Frequency
3
2
1
–40°C
0
25°C
125°C
-1
-2
-3
0
5 10 15 20 25 30 35 40
V_S = ±2.75 V
Output Current (mA)
Figure 14. Input Bias and Offset Current vs Temperature
6
V_IN = 5.5 V
5
V_IN = 3.3 V
V_IN = 1.8 V
4
3
2
1
0
10k
100k
1M
10M
R_L = 10 kΩ
Frequency (Hz)
C_L = 10 pF
Figure 16. Maximum Output Voltage vs Frequency and
Supply Voltage
40
G = –1 V/V
G = 1 V/V
G = 10 V/V
20
0
-20
10k
100k
1M
10M
Frequency (Hz)
V_S = 1.8 V
Figure 17. Output Voltage Swing vs Output Current
(Overtemperature)
Figure 18. Closed-Loop Gain vs Frequency
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Product Folder Links: OPA314-Q1 OPA2314-Q1 OPA4314-Q1