OPA2832 Datasheet, PDF (12/37 Pages) National Semiconductor (TI) – Dual, Low-Power, High-Speed, Fixed-Gain Operational Amplifier

OPA2832
SBOS327C – FEBRUARY 2005 – REVISED AUGUST 2008 ............................................................................................................................................. www.ti.com
TYPICAL CHARACTERISTICS: V_S = +5V
At T_A = +25°C, G = +2V/V, and R_L = 150Ω to V_CM = 2V, unless otherwise noted (see Figure 61).
SMALL-SIGNAL FREQUENCY RESPONSE
3
V_O = 0.2V_PP
R_L = 150Ω
0
G = −1
−3
LARGE-SIGNAL FREQUENCY RESPONSE
3
0
V_O = 0.5V_PP
−3
−6
−9
G = +2
−12
−15
1
10
100
400
Frequency (MHz)
Figure 19.
SMALL-SIGNAL PULSE RESPONSE
0.15
G = +2V/V
0.10
R_L = 150Ω
V_O = 0.2V_PP
See Figure 61
0.05
−6
V_O = 1V_PP
−9
−12
G = +2V/V
R_L = 150Ω
See Figure 61
−15
1
10
Frequency (MHz)
Figure 20.
V_O = 2V_PP
100
300
LARGE-SIGNAL PULSE RESPONSE
1.5
G = +2V/V
1.0
R_L = 150Ω
V_O = 2V_PP
See Figure 61
0.5
0
0
−0.05
−0.5
−0.10
−1.0
−0.15
40
35
30
25
20
15
10
5
0
10
Time (10ns/div)
Figure 21.
REQUIRED R_S vs CAPACITIVE LOAD
1dB Peaking Targeted
100
1k
Capacitive Load (pF)
Figure 23.
−1.5
Time (10ns/div)
Figure 22.
FREQUENCY RESPONSE vs CAPACITIVE LOAD
3
C_L = 10pF
0
−3
−6
−9
−12 ^VI
−15
−18
1
C_L = 1000pF
C_L = 100pF
1/2
O PA 2 832
RS
C_L
1 kΩ⁽¹⁾
NOTE: (1) 1kΩ is optio nal.
10
Frequency (MHz)
Figure 24.
100
300
12
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