Datasheet

1
Voltage Noise (nV )
ÖHz
Current Noise (fA )
ÖHz
Frequency (Hz)
10 100 1k 10k 100k
10k
1k
100
10
1k
100
10
1
e
N
i
N
10
Total Harmonic Distortion + Noise (%)
Frequency (Hz)
100 1k 10k
100k
1.000
0.100
0.010
0.001
20mV/div
2s/div
500mV/div
10s/div
Overshoot (%)
Load Capacitance (pF)
10 100 1k 10k
60
50
40
30
20
10
0
G = 5V/V, R = 100k± W
FB
10
Small-Signal Overshoot (%)
Load Capacitance (pF)
100 1k 10k
60
50
40
30
20
10
0
G = +1V/V, R = 100kW
L
G = 1V/V, R = 5kW-
FB
G = 1V/V, R = 100k- W
FB
OPA348
OPA2348
OPA4348
www.ti.com SBOS213G –NOVEMBER 2001–REVISED MARCH 2013
TYPICAL CHARACTERISTICS (continued)
At T
A
= +25°C, R
L
= 100kΩ connected to V
S
/ 2 and V
OUT
= V
S
/ 2, unless otherwise noted.
SMALL-SIGNAL OVERSHOOT
vs LOAD CAPACITANCE PERCENT OVERSHOOT vs LOAD CAPACITANCE
Figure 13. Figure 14.
SMALL-SIGNAL STEP RESPONSE LARGE-SIGNAL STEP RESPONSE
(G = +1V/V, R
L
= 100kΩ, C
L
= 100pF) (G = +1V/V, R
L
= 100kΩ, C
L
= 100pF)
Figure 15. Figure 16.
INPUT CURRENT AND VOLTAGE NOISE TOTAL HARMONIC DISTORTION + NOISE
SPECTRAL DENSITY vs FREQUENCY vs FREQUENCY
Figure 17. Figure 18.
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