OPA322 Datasheet, PDF (9/36 Pages) Texas Instruments – 20-MHz, Low-Noise, 1.8-V, RRI/O, CMOS Operational Amplifier with Shutdown

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OPA322, OPA322S
OPA2322, OPA2322S
OPA4322, OPA4322S
SBOS538E – JANUARY 2011 – REVISED JUNE 2012
TYPICAL CHARACTERISTICS (continued)
At T_A = +25°C, V_CM = V_OUT = mid-supply, and R_L = 10 kΩ, unless otherwise noted.
MAXIMUM OUTPUT VOLTAGE vs FREQUENCY
OUTPUT VOLTAGE SWING vs OUTPUT CURRENT
6
3
5.5 V_S
5
2
4
3.3 V_S
3
2
1 _{RL = 10 kW}
C_L = 50 pF
0
10 k
1.8 V_S
100 k
1M
Frequency (Hz)
Figure 13.
10 M
1
0
-1
-2
-3
0
-40°C
+25°C
+125°C
V_S = ±2.75 V
10 20 30 40 50 60 70 80
Output Current (mA)
Figure 14.
OPEN-LOOP OUTPUT IMPEDANCE vs FREQUENCY
1000
V_S = ±2.75 V
100
10
1
10 100 1 k 10 k 100 k 1 M 10 M 100 M
Frequency (Hz)
Figure 15.
SMALL-SIGNAL OVERSHOOT vs LOAD CAPACITANCE
70
G = 1, V_S = 1.8 V
60
G = 1, V_S = 5.5 V
50
G = 10, V_S = 1.8 V
G = 10, V_S = 5.5 V
40
30
20
10
0
0
500 1000 1500 2000 2500 3000
Capacitive Load (pF)
Figure 16.
THD+N vs AMPLITUDE
0.1
0.01
Load = 600 W
0.001
Frequency = 10 kHz
V_S = ±2.5 V
G = +1 V/V
0.0001
0.01
0.1
V_IN (V_PP)
Figure 17.
Load = 10 kW
1
10
THD+N vs FREQUENCY
0.1
0.01
Frequency = 10 kHz
V_IN = 2 V_PP
V_S = ±2.5 V
G = +1 V/V
Load = 600 W
0.001
0.0001
10
Load = 10 kW
100
1k
10 k
Frequency (Hz)
Figure 18.
100 k
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