LMH6503MAX Datasheet, PDF (14/33 Pages) Texas Instruments – LMH6503 Wideband, Low Power, Linear Variable Gain Amplifier

LMH6503
SNOSA78E – OCTOBER 2003 – REVISED APRIL 2013
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Typical Performance Charateristics (continued)
Unless otherwise specified: V_S = ±5V, 25°C, V_G = V_{G_MAX}, V_CM = 0V, R_F = 1kΩ, R_G = 174Ω, both inputs terminated in 50Ω, R_L
= 100Ω, Typical values, results referred to device output:
Noise vs. Frequency (A_VMAX = 100)
100k
MAX GAIN
−1dB Compression
24
OUTPUT LIMITED , R_F = 1.5k:
23
10k
22
MID GAIN
21
NO GAIN
1k
20
INPUT LIMITED, R_F = 620:
19
A_VMAX = 100
100 _{RF = 2k:}
R_G = 24:
R_L = 100:
10
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
Figure 46.
18
17
16 ^{VG = VGMAX}
R_G = 180:
15
0 20 40 60 80 100 120 140 160
FREQUENCY (MHz)
Figure 47.
Output Voltage vs. Output Current
4.5
4 ^{VIN_DIFF = ±0.5V}
SINK
3.5
3
2.5
SOURCE
2
1.5
1
0.5
0
0
20
40
60
80 100
I_OUT (mA)
Figure 48.
HD2 vs. P_OUT
90
1MHz
A_VMAX = 10
85
V_G = V_GMAX
80
75
70
65
10MHz
60
55
50
-10 -5
20MHz
0 5 10
P_OUT (dBm)
Figure 49.
15 20
HD3 vs. P_OUT
100
1MHz
90
80
10MHz
70
60
20MHz
50
40
A_VMAX = 10
30 _{VG = VGMAX}
20
-10 -5 0 5 10 15 20
P_OUT (dBm)
Figure 50.
THD vs. P_OUT
90
85
1MHz
80
75
10MHz
70
65
60
20MHz
55
50 _{AVMAX = 10}
45 _{VG = VGMAX}
40
-10 -5 0
5 10
P_OUT (dBm)
15 20
Figure 51.
14
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