HA5022_03 Datasheet, PDF (10/17 Pages) Intersil Corporation – Dual, 125MHz, Video Current Feedback Amplifier with Disable

HA5022
Typical Performance Curves V_SUPPLY = ±5V, A_V = +1, R_F = 1kΩ, R_L = 400Ω, T_A = 25^oC, Unless Otherwise Specified
5
4
V_OUT = 0.2V_P-P
C_L = 10pF
A_V = +1, R_F = 1kΩ
3
A_V = 2, R_F = 681Ω
5
4
V_OUT = 0.2V_P-P
C_L = 10pF
3
R_F = 750Ω
2
A_V = 5, R_F = 1kΩ
2
1
1
0
0
-1
-1
-2
-3
A_V = 10, R_F = 383Ω
-4
-2
A_V = -10
-3
A_V = -5
-4
A_V = -1
A_V = -2
-5
2
-5
10
100
200
2
FREQUENCY (MHz)
10
FREQUENCY (MHz)
100
200
FIGURE 11. NON-INVERTING FREQUENCY RESPONSE
FIGURE 12. INVERTING FREQUENCY RESPONSE
0
-45
-90
-135
-100
A_V = +1, R_F = 1kΩ ¹⁸⁰
135
90
A_V = -1, R_F = 750Ω
A_V = +10, R_F = 383Ω
45
0
-225
-45
-270
-315
-360
V_OUT = 0.2V_P-P
C_L = 10pF
A_V = -10, R_F = 750Ω
-90
-135
-180
2
10
100 200
FREQUENCY (MHz)
140
V_OUT = 0.2V_P-P
C_L = 10pF
130
A_V = +1
120
-3dB BANDWIDTH
10
GAIN PEAKING
500
700
900
1100
1300
FEEDBACK RESISTOR (Ω)
5
0
1500
FIGURE 13. PHASE RESPONSE AS A FUNCTION OF
FREQUENCY
FIGURE 14. BANDWIDTH AND GAIN PEAKING vs FEEDBACK
RESISTANCE
100
130
V_OUT = 0.2V_P-P
C_L = 10pF
A_V = +2
120
95
-3dB BANDWIDTH
110
6
-3dB BANDWIDTH
90
10
100
4
5
GAIN PEAKING
0
350
500
650
800
950
1100
FEEDBACK RESISTOR (Ω)
FIGURE 15. BANDWIDTH AND GAIN PEAKING vs FEEDBACK
RESISTANCE
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 16. BANDWIDTH AND GAIN PEAKING vs LOAD
RESISTANCE
10