OPA2832 Datasheet, PDF (17/37 Pages) National Semiconductor (TI) – Dual, Low-Power, High-Speed, Fixed-Gain Operational Amplifier

OPA2832
www.ti.com ............................................................................................................................................. SBOS327C – FEBRUARY 2005 – REVISED AUGUST 2008
TYPICAL CHARACTERISTICS: V_S = +3.3V
At T_A = +25°C, G = +2V/V, and R_L = 150Ω to V_CM = 0.75V, unless otherwise noted (see Figure 62).
SMALL-SIGNAL FREQUENCY RESPONSE
3
V_O = 0.2V_PP
R_L = 150Ω
0
G = −1
−3
G = +2
−6
LARGE-SIGNAL FREQUENCY RESPONSE
3
0
V_O = 1V_PP,
−3
V_O = 0.5V_PP
−6
−9
−12
−15
1
10
100
300
Frequency (MHz)
Figure 44.
SMALL-SIGNAL PULSE RESPONSE
0.15
G = +2V/V
0.10
R_L = 150Ω
V_O = 200mV_PP
See Figure 62
0.05
0
−0.05
−0.10
−0.15
Time (10ns/div)
Figure 46.
REQUIRED R_S vs CAPACITIVE LOAD
60
1dB Peaking Targeted
50
40
30
20
10
0
1
10
100
1k
Capacitive Load (pF)
Figure 48.
−9
G = +2V/V
−12 _{RL = 150Ω}
See Figure 62
−15
1
V_O = 1.5V_PP
10
100
300
Frequency (MHz)
Figure 45.
LARGE-SIGNAL PULSE RESPONSE
0.6
G = +2V/V
0.4
R_L = 150Ω
V_O = 1V_PP
See Figure 62
0.2
0
−0.2
−0.4
−0.6
Time (10ns/div)
Figure 47.
FREQUENCY RESPONSE vs CAPACITIVE LOAD
3
C_L = 10pF
0
−3
−6
−9
VI
−12
−15
1
C_L = 1000pF
C_L = 100pF
1/2
OP A 2 832
R_S
CL
1kΩ(1)
NOTE: (1) 1kΩis optional.
10
Frequency (MHz)
Figure 49.
100
300
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