OPA2320-Q1_15 Datasheet, PDF (10/31 Pages) Texas Instruments – Precision, 20-MHz, 0.9-pA, Low-Noise, RRIO,CMOS Operational Amplifier

OPA2320-Q1
SLOS884 – SEPTEMBER 2014
www.ti.com
Typical Characteristics (continued)
At T_A = 25°C, V_(CM) = V_O = mid-supply, and R_(L) = 10 kΩ, unless otherwise noted.
1000
70
60
50
40
100
30
G = 1 V/V, V_S = 1.8 V
G = 1 V/V, V_S = 5.5 V
G = 10 V/V, V_S = 1.8 V
G = 10 V/V, V_S = 5.5 V
20
10
10
1
10 100
V_S = ±2.75 V
1k 10k 100k 1M 10M 100M
Frequency (Hz)
Figure 19. Open-Loop Output Impedance vs Frequency
0.1
0
0
500 1000 1500 2000 2500 3000
Capacitive Load (pF)
Figure 20. Small-Signal Overshoot vs Load Capacitance
0.1
Load = 600 Ω
Load = 10 kΩ
0.01
0.01
0.001
Load = 600 Ω
Load = 10 kΩ
0.0001
0.01
0.1
1
V_S = ±2.5 V
Input Voltage (V_PP)
ƒ = 10 kHz
10
G = 1 V/V
Figure 21. THD+N vs Amplitude
0.1
Load = 600 Ω
Load = 10 kΩ
0.01
0.001
0.0001
10
100
1k
10k
V_S = ±2.5 V
V_I = 4 V_PP
Frequency (Hz)
ƒ = 10 kHz
Figure 23. THD+N vs Frequency
100k
G = 1 V/V
0.001
0.0001
10
100
1k
10k
V_S = ±2.5 V
V_I = 2 V_PP
Frequency (Hz)
ƒ = 10 kHz
Figure 22. THD+N vs Frequency
0
100k
G = 1 V/V
-20
-40
-60
-80
-100
-120
-140
1k
10k
V_S = ±2.75 V
100k
1M
Frequency (Hz)
10M
100M
Figure 24. Channel Separation vs Frequency
10
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