OPA348-Q1 Datasheet, PDF (8/30 Pages) Texas Instruments – OPAx348-Q1 1-MHz 45-μA CMOS Rail-to-Rail Operational Amplifier

OPA348-Q1, OPA2348-Q1, OPA4348-Q1
SBOS465B – JANUARY 2009 – REVISED DECEMBER 2014
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Typical Characteristics (continued)
T_A = 25°C, R_L = 100 kΩ connected to V_S/2, V_OUT = V_S/2 (unless otherwise noted)
60
60
G = –1 V/V, R_FB = 100 kW
50
50
40
40
30
30
G = +1 V/V, R_L = 100 kW
20
20
G = –1 V/V, R_FB = 5 kW
10
10
0
10
100
1k
10k
Load Capacitance (pF)
Figure 13. Small-Signal Overshoot vs Load Capacitance
0
10
100
1k
10k
Load Capacitance (pF)
G = ±5 V/V, R FB = 100 kΩ
Figure 14. Percent Overshoot vs Load Capacitance
G = 1 V/V
2 µs/div
R_L = 100 kΩ
C_L = 100 pF
Figure 15. Small-Signal Step Response
10k
1k
G = 1 V/V
10 µs/div
R_L = 100 kΩ
C_L = 100 pF
1.000
Figure 16. Large-Signal Step Response
1k
100
V_N
100
I_N
10
0.100
0.010
10
1
1
10
100
1k
10k
100k
Frequency (Hz)
Figure 17. Input Current and Voltage Noise Spectral Density
vs Frequency
0.001
10
100
1k
10k
Frequency (Hz)
100k
Figure 18. Total Harmonic Distortion + Noise v Frequency
8
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