LMH6552 Datasheet, PDF (12/38 Pages) Texas Instruments – 1.5-GHz Fully Differential Amplifier

LMH6552
SNOSAX9I – APRIL 2007 – REVISED JANUARY 2015
www.ti.com
Typical Characteristics V⁺ = +5 V, V^− = −5 V (continued)
(T_A = 25°C, R_F = R_G = 357Ω, R_L = 500Ω, A_V = 1, for single ended in, differential out, unless specified).
120
120
110
MAGNITUDE
100
110
MAGNITUDE
100
90
90
80
0
PHASE
70
-45
80
0
PHASE
70
-45
60
-90
50 ^{V+ = +5V}
V^- = -5V
40
0.01 0.1
1
-135
-180
10
100 1000
FREQUENCY (MHz)
Figure 21. Open Loop Transimpedance
1000
V⁺ = +5V
100 _V^- _{= -5V}
V_IN = 0V
10 _{AV = 1 V/V}
1
60
-90
50 ^{V+ = +2.5V}
V^- = -2.5V
40
0.01 0.1
1
-135
-180
10
100 1000
FREQUENCY (MHz)
Figure 22. Open Loop Transimpedance
1000
100
10
V⁺ = +2.5V
V^- = -2.5
V_IN = 0V
A_V = 1 V/V
0.1
1
0.01
0.1
0.001
0.0001
0.01 0.1
1
10
100 1000
FREQUENCY (MHz)
Figure 23. Closed Loop Output Impedance
0.01
0.01 0.1
1
10 100 1000
FREQUENCY (MHz)
Figure 24. Closed Loop Output Impedance
10
8
6
4
2
0
-2
-4
-6
-8
-10
0
2
INPUT
1.6
1.2
0.8
OUTPUT
0.4
0
V⁺ = +5V ^-0.4
V^- = -5V
-0.8
A_V = 5 V/V _-1.2
R_F = 324: _-1.6
R_L = 200:
-2
200 400 600 800 1000
TIME (ns)
Figure 25. Overdrive Recovery
4
0.8
INPUT
3
0.6
2
0.4
1
OUTPUT
0.2
0
0
-1
V⁺ = +2.5V _-0.2
V^- = -2.5V
-2
A_V = 5 V/V ^-0.4
-3
R_F = 324: _-0.6
R_L = 200:
-4
-0.8
0
200 400 600 800 1000
TIME (ns)
Figure 26. Overdrive Recovery
12
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