HA5023883 Datasheet, PDF (10/19 Pages) Intersil Corporation – Dual 125MHz Video Current Feedback Amplifier

HA5023
DESIGN INFORMATION (Continued)
The information contained in this section has been developed through characterization by Intersil Corporation and is for use as application
and design information only. No guarantee is implied.
Typical Performance Curves V_SUPPLY = ±5V, A_V = +1, R_F = 1kΩ, R_L = 400Ω, T_A = 25^oC, Unless Otherwise Specified.
(Continued)
100
130
V_OUT = 0.2V_P-P
C_L = 10pF
A_V = +2
120
95
-3dB BANDWIDTH
110
-3dB BANDWIDTH
6
90
10
100
4
5
GAIN PEAKING
0
350
500
650
800
950
1100
FEEDBACK RESISTOR (Ω)
FIGURE 5. BANDWIDTH AND GAIN PEAKING vs FEEDBACK
RESISTANCE
80
V_OUT = 0.2V_P-P
C_L = 10pF
A_V = +10
60
90
GAIN PEAKING
V_OUT = 0.2V_P-P 2
C_L = 10pF
A_V = +1
80
0
0
200
400
600
800
1000
LOAD RESISTOR (Ω)
FIGURE 6. BANDWIDTH AND GAIN PEAKING vs LOAD
RESISTANCE
16
V_OUT = 0.1V_P-P
C_L = 10pF
V_SUPPLY = ±5V, A_V = +2
12
40
20
0
200
350
500
650
800
950
FEEDBACK RESISTOR (Ω)
FIGURE 7. BANDWIDTH vs FEEDBACK RESISTANCE
6
V_SUPPLY = ±15V, A_V = +2
V_SUPPLY = ±5V, A_V = +1
V_SUPPLY = ±15V, A_V = +1
00
200
400
600
800
1000
LOAD RESISTANCE (Ω)
FIGURE 8. SMALL SIGNAL OVERSHOOT vs LOAD
RESISTANCE
10