HA5025 Datasheet, PDF (7/13 Pages) Intersil Corporation – Quad, 125MHz Video Current Feedback Amplifier

HA5025
Typical Performance Curves V_SUPPLY = ±5V, A_V = +1, R_F = 1kΩ, R_L = 400Ω, T_A = 25^oC, Unless Otherwise Specified
5
V_OUT = 0.2V_P-P
4 ^CL ^{= 10pF}
A_V = +1, R_F = 1kΩ
3
A_V = 2, R_F = 681Ω
2
A_V = 5, R_F = 1kΩ
1
0
-1
-2
-3
A_V = 10, R_F = 383Ω
-4
-5
2
10
100 200
FREQUENCY (MHz)
5
4
V_OUT = 0.2V_P-P
C_L = 10pF
3
R_F = 750Ω
2
1
0
-1
-2
A_V = -10
-3
A_V = -5
-4
-5
2
10
FREQUENCY (MHz)
A_V = -1
A_V = -2
100
200
FIGURE 8. NON-INVERTING FREQUENCY RESPONSE
FIGURE 9. INVERTING FREQUENCY RESPONSE
0
A_V = +1, R_F = 1kΩ ¹⁸⁰
-45
135
-90
90
A_V = -1, R_F = 750Ω
-135
A_V = +10, R_F = 383Ω
45
-100
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)
FIGURE 10. PHASE RESPONSE AS A FUNCTION OF
FREQUENCY
140
V_OUT = 0.2V_P-P
C_L = 10pF
A_V = +1
130
120
-3dB BANDWIDTH
10
5
GAIN PEAKING
500
700
900
1100
1300
FEEDBACK RESISTOR (Ω)
0
1500
FIGURE 11. BANDWIDTH AND GAIN PEAKING vs FEEDBACK
RESISTANCE
100
V_OUT = 0.2V_P-P
C_L = 10pF
A_V = +2
95
-3dB BANDWIDTH
90
10
5
GAIN PEAKING
0
350
500
650
800
950
1100
FEEDBACK RESISTOR (Ω)
FIGURE 12. BANDWIDTH AND GAIN PEAKING vs FEEDBACK
RESISTANCE
7
130
120
-3dB BANDWIDTH
110
6
100
4
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 13. BANDWIDTH AND GAIN PEAKING vs LOAD
RESISTANCE