OPA320 Datasheet, PDF (10/31 Pages) Texas Instruments – Precision, 20MHz, 0.9pA, Low-Noise, RRIO, CMOS Operational Amplifier with Shutdown

OPA320, OPA2320
OPA320S, OPA2320S
SBOS513D – AUGUST 2010 – REVISED NOVEMBER 2011
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TYPICAL CHARACTERISTICS (continued)
At T_A = +25°C, V_CM = V_OUT = mid-supply, and R_L = 10kΩ, unless otherwise noted.
OPEN-LOOP OUTPUT IMPEDANCE vs FREQUENCY
SMALL-SIGNAL OVERSHOOT vs LOAD CAPACITANCE
1000
V_S = ±2.75V
100
70
G = 1, V_S = 1.8V
60
G = 1, V_S = 5.5V
50
G = 10, V_S = 1.8V
G = 10, V_S = 5.5V
40
30
20
10
10
1
10 100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
Figure 19.
0
0
500 1000 1500 2000 2500 3000
Capacitive Load (pF)
Figure 20.
THD+N vs AMPLITUDE
0.1
0.01
Load = 600W
0.001
Frequency = 10kHz
V_S = ±2.5V
G = +1V/V
0.0001
0.01
0.1
V_IN (V_PP)
Figure 21.
Load = 10kW
1
10
THD+N vs FREQUENCY
0.1
0.01
Frequency = 10kHz
V_IN = 2V_PP
V_S = ±2.5V
G = +1V/V
Load = 600W
0.001
0.0001
10
100
1k
Frequency (Hz)
Figure 22.
Load = 10kW
10k
100k
THD+N vs FREQUENCY
0.1
0.01
Frequency = 10kHz
V_IN = 4V_PP
V_S = ±2.5V
G = +1V/V
Load = 600W
0.001
0.0001
10
Load = 10kW
100
1k
10k
Frequency (Hz)
Figure 23.
100k
CHANNEL SEPARATION vs FREQUENCY (for Dual)
0
V_S = ±2.75V
-20
-40
-60
-80
-100
-120
-140
1k
10k
100k
1M
10M
100M
Frequency (Hz)
Figure 24.
10
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