LMH6554_14 Datasheet, PDF (7/24 Pages) National Semiconductor (TI) – LMH6554 2.8 GHz Ultra Linear Fully Differential Amplifier

LMH6554
www.ti.com
SNOSB30O – OCTOBER 2008 – REVISED MARCH 2013
Typical Performance Characteristics V_S = ±2.5V (continued)
(T_A = 25°C, R_F = 200Ω, R_G = 90Ω, R_T = 76.8Ω, R_L = 200Ω, A_V = +2, for single ended in, differential out, unless specified).
0.5 V_PP Pulse Response Single Ended Input
0.3
2 V_PP Pulse Response Single Ended Input
1.5
0.2
1.0
0.1
0.5
0
0
-0.1
-0.5
-0.2
-1.0
-0.3
0 1 2 3 4 5 6 7 8 9 10
TIME (ns)
Figure 9.
-1.5
0 1 2 3 4 5 6 7 8 9 10
TIME (ns)
Figure 10.
4 V_PP Pulse Response Single Ended Input
2.5
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
0 1 2 3 4 5 6 7 8 9 10
TIME (ns)
Figure 11.
Distortion
vs.
Frequency Single Ended Input
-60
RL = 200:
-65 _{VOD = 2 VPP}
-70 ^{VOCM = 0V}
-75
-80
HD2
-85
-90
-95
HD3
-100
-105
-110
25
75 125 175 225 275 300
FREQUENCY (MHz)
Figure 12.
Distortion
vs.
Output Common Mode Voltage
-50
RL = 200:
VOD = 2 VPP
-60
fc = 25 MHz
-70
HD3
-80
-90
-100
HD2
Distortion
vs.
Output Common Mode Voltage
-40
RL = 200:
VOD = 2 VPP
-50
fc = 75 MHz
-60
-70
HD3
-80
HD2
-90
-110
-1.0
-0.5
0
0.5
1.0
VOCM (V)
Figure 13.
-100
-1.0
-0.5
0
0.5
1.0
VOCM (V)
Figure 14.
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