LMH6515 Datasheet, PDF (9/31 Pages) National Semiconductor (TI) – 600 MHz, Digital Controlled, Variable Gain Amplifier

LMH6515
www.ti.com
SNOSAX4C – AUGUST 2007 – REVISED MARCH 2013
TYPICAL PERFORMANCE CHARACTERISTICS
OIP3 Over Temperature ^{VCC = 5V (continued)}
OIP3 High Gain Mode
45
40
75 MHz
45
f = 150 MHz
43 _{RL = 200:}
INPUT CLIPPING
41
V_OUT = 1 V_PP
39
150 MHz
35
37
250 MHz
35
30
33
V_OUT = 2 V_PP
31
25
R_L = 200:
20
-40 -20 0
20 40 60 80
29
V_OUT = 2.8 V_PP
27
25
0 3 6 9 12 15 18 21 24 27 30
TEMPERATURE (°C)
GAIN STEP (0 = MAX GAIN)
Figure 8.
Figure 9.
IMD3 Low Gain Mode
-40
R_L = 100:
-45 _{VOUT = 2 VPP}
-50
INPUT CLIPPING
-55
f = 250 MHz f = 150 MHz
-60
-65
-70
-75
f = 75 MHz
-80
0 3 6 9 12 15 18 21 24 27 30
GAIN STEP (0 = MAX GAIN)
Figure 10.
IMD3 High Gain Mode
-50
R_L = 200:
-55 _{VOUT = 2 VPP}
-60
INPUT CLIPPING
f = 250 MHz
-65
f = 150 MHz
-70
-75
-80
-85
-90
0
f = 75 MHz
3 6 9 12 15 18 21 24 27 30
GAIN STEP (0 = MAX GAIN)
Figure 11.
IMD3 High Gain Mode
-20
f = 150 MHz
-30 R_L = 200:
-40
-50
-60
2.8 V_PP
-70
INPUT CLIPPING
-80
2 V_PP
-90
-100
1 V_PP
0 3 6 9 12 15 18 21 24 27 30
GAIN STEP (0 = MAX GAIN)
Figure 12.
HD2 vs. Frequency
-30
R_L = 100:
-40
-50
2.8 V_PP
-60
2 V_PP
-70
1 V_PP
-80
-90
0 50 100 150 200 250 300 350 400 450
FREQUENCY (MHz)
Figure 13.
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