LMH6515 Datasheet, PDF (8/31 Pages) National Semiconductor (TI) – 600 MHz, Digital Controlled, Variable Gain Amplifier

LMH6515
SNOSAX4C – AUGUST 2007 – REVISED MARCH 2013
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TYPICAL PERFORMANCE CHARACTERISTICS
V_CC = 5V
Frequency Response All Gain Settings
20
17
14
Frequency Response with Capacitive Load
22
19
11
8
5
2
-1
-4
-7
-10
-13
-16 _{RL = 100:}
-19
10
100
1000
16
C_L = 0 pF
13
C_L = 1.8 pF
10
C_L = 4.7 pF
7
C_L = 10 pF
4
1
LOAD = 100: || C_L
-2
10
100
1000
FREQUENCY (MHz)
FREQUENCY (MHz)
Figure 2.
Figure 3.
Frequency Response Over Temperature, Maximum Gain
20
-40°C
Frequency Response Over Temperature, Minimum Gain
-11
-40°C
19
25°C
18
85°C
-12
25°C
-13
85°C
17
-14
16
-15
15
1
10
100
1000
FREQUENCY (MHz)
Figure 4.
OIP3 High Gain Mode
45
43 ^{RL = 200:}
V_OUT = 2 V_PP
41
f = 75 MHz
39
37
35
33
31
f = 150 MHz _{f = 250 MHz}
29
27
INPUT CLIPPING
25
0 3 6 9 12 15 18 21 24 27 30
GAIN STEP (0 = MAX GAIN)
Figure 6.
-16
1
10
100
FREQUENCY (MHz)
Figure 5.
1000
OIP3 Low Gain Mode
45
43 ^{RL = 100:}
V_OUT = 2 V_PP
41
f = 75 MHz
39
37
35
33
31
29 ^{f = 150 MHz f = 250 MHz}
27
INPUT CLIPPING
25
0 3 6 9 12 15 18 21 24 27 30
GAIN STEP (0 = MAX GAIN)
Figure 7.
8
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