LMH6514_14 Datasheet, PDF (8/29 Pages) Texas Instruments – LMH6514 600 MHz, Digital Controlled, Variable Gain Amplifier

LMH6514
SNOSB06 – JANUARY 2008
www.ti.com
Typical Performance Characteristics
V_CC = 5V
Frequency Response All Gain Settings
26
23
20
17
14
11
8
5
2
-1
-4
-7
-10
-13
-16
-19 _{RL = 100:}
-22
1
10
100
1000
Frequency Response over Temperature, Maximum Gain
26
25
-40°C
24
23
22
P_IN = -16 dBm
21 ^{RL = 100:}
10
25°C
85°C
100
1000
FREQUENCY (MHz)
FREQUENCY (MHz)
Figure 2.
Figure 3.
Frequency Response over Temperature, Minimum Gain
-16
-17
-40°C
-18
25°C
-19
85°C
-20
P_IN = 10 dBm
-21 ^{RL = 100:}
10
100
FREQUENCY (MHz)
Figure 4.
1000
OIP3 High Gain Mode
40
38 f = 75 MHz
36
f = 150 MHz
34
f = 250 MHz
32
30
28
INPUT CLIPPING
26
24
V_OUT = 2 V_PP
22 _{RL = 200:}
20
0 1 2 3 4 56 7
GAIN STEP (0 = MAXIMUM GAIN)
Figure 5.
OIP3 Low Gain Mode
40
f = 75 MHz
38
36
f = 150 MHz
34
32
30
f = 250 MHz
28
26
INPUT CLIPPING
24
V_OUT = 2 V_PP
22
R_L = 100:
20
0 1 2 3 4 56 7
GAIN STEP (0 = MAXIMUM GAIN)
Figure 6.
OIP3 Over Temperature
45
40
75 MHz
150 MHz
35
250 MHz
30
25
R_L = 200:
20
-40 -20 0
20 40 60 80
TEMPERATURE (°C)
Figure 7.
8
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