OPA322 Datasheet, PDF (11/36 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.
CMRR AND PSRR vs FREQUENCY
TURN-OFF TRANSIENT
120
3
100
2.4
Shutdown Signal
Output Signal
1.8
80
1.2
0.6
60
0
−0.6
40
−1.2
20
PSRR
CMRR
0
100
1k
10k
100k
1M
Frequency (Hz)
−1.8
−2.4
−3
0 2 4 6 8 10 12 14 16 18 20
Time (µs)
G000
Figure 25.
Figure 26.
TURN-ON TRANSIENT
3
2.4
1.8
1.2
0.6
0
−0.6
−1.2
−1.8
−2.4
Shutdown Signal
Output Signal
−3
0 2 4 6 8 10 12 14 16 18 20
Time (µs)
G000
Figure 27.
TURN-ON AND TURN-OFF TRANSIENT 5.5V
(High Supply)
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
−0.5
−1
−1.5
−2
−2.5
−3
−3.5
−4
−4.5
−5
0
Shutdown Signal
Output Signal
200 400 600 800 1000 1200 1400 1600 1800 2000
Time (µs)
G000
Figure 28.
TURN-ON AND TURN-OFF TRANSIENT 1.8V
(Low Supply)
2
1.5
1
0.5
0
−0.5
−1
−1.5
−2
0
Shutdown Signal
Output Signal
200 400 600 800 1000 1200 1400 1600 1800 2000
Time (µs)
G000
Figure 29.
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