OPA320-Q1 Datasheet, PDF (9/34 Pages) Texas Instruments – Precision, 20-MHz, 0.9-pA, Low-Noise, RRIO, CMOS Operational Amplifier

www.ti.com
OPA320-Q1, OPA2320-Q1
SLOS884A – SEPTEMBER 2014 – REVISED DECEMBER 2016
Typical Characteristics (continued)
at T_A = 25°C, V_(CM) = V_O = mid-supply, and R_(L) = 10 kΩ (unless otherwise noted)
1000
6
5
4
3
100
2
1
0
10
-1
-2
-3
1
10
100
1k
10k
100k
1M
-4
0 1 2 3 4 5 6 7 8 9 10
Frequency (Hz)
V_S = 1.8 to 5.5 V
Time (1 s/div)
Figure 13. Input Voltage Noise Spectral Density vs
Frequency
60
G = 100 V/V
G = 10 V/V
40
G = 1 V/V
Figure 14. 0.1-Hz to 10-Hz Input Voltage Noise
60
G = 100 V/V
G = 10 V/V
40
G = 1 V/V
20
20
0
0
-20
10k
100k
1M
10M
Frequency (Hz)
V_S = 1.8 V, C_(L) = 50 pF, R_(L) = 10 kΩ
100M
Figure 15. Closed-Loop Gain vs Frequency
6
5.5 V_S
5
3.3 V_S
1.8 V_S
4
3
2
1
0
10k
100k
1M
10M
Frequency (Hz)
C_(L) = 50 pF, R_(L) = 10 kΩ
Figure 17. Maximum Output Voltage vs Frequency
-20
10k
100k
1M
10M
Frequency (Hz)
V_S = 5.5 V, C_(L) = 50 pF, R_(L) = 10 kΩ
100M
Figure 16. Closed-Loop Gain vs Frequency
3
–40°C
25°C
2
125°C
1
0
-1
-2
-3
0
10 20 30 40 50 60 70 80
Output Current (mA)
V_S = ±2.75 V
Figure 18. Output Voltage Swing vs Output Current
Copyright © 2014–2016, Texas Instruments Incorporated
Submit Documentation Feedback
9
Product Folder Links: OPA320-Q1 OPA2320-Q1