LMH6503MAX Datasheet, PDF (8/33 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:
Large Signal Frequency Response
Frequency Response for Various V_G (A_VMAX = 100)
(Small Signal)
3
2 ^{VOUT = 5VPP}
1
GAIN
0
-1
270
A_VMAX R_F(k:) ₂₂₅
100 750 ¹⁸⁰
10
1k
135
2
2.4k ₉₀
1
0
GAIN
-1
-2
PHASE
60
SEE NOTE 12
40
A_VMAX = 100 ₂₀
P_IN = -42dBm
0
-2
100
-3
-4
-5
-6
-7
-8
SEE NOTE 12
-9
10
PHASE
45
2
0
-45
-90
-135
-180
-225
-270
-3
-4
1.1V
-5
0.5V
-6
0V
-7
-0.5V
-8
-20
-40
-60
-80
-100
-120
f (25 MHz/DIV)
0
50M
100M
f (10 MHz/DIV)
Figure 10.
Figure 11.
Frequency Response for Various V_G (A_VMAX = 100)
(Large Signal)
1
0
GAIN
-1
-2
PHASE
60
SEE NOTE 12
40
A_VMAX = 100 ₂₀
P_IN = -22dBm
0
-3
-20
-4
1.1V
-5
-6
-7
-8
0
0.5V
0V
-0.5V
50M
f (10 MHz/DIV)
Figure 12.
-40
-60
-80
-100
-120
100M
Gain Control Frequency Response
5
0
-5
-10 ^{VG = 0V AVERAGE}
P_IN = 0dBm
A_VMAX = 2V/V
-15 S21 (dB) + 20 PLOTTED
SEE NOTE 11
-20
100k
1M
10M
100M
1G
FREQUENCY (Hz)
Figure 13.
I_S vs. V_S
60
85°C
50
25°C
40
-40°C
30
20
I_S vs. V_S
60
50
85°C
25°C
40
30
-40°C
20
10
0
2.5
R_L = OPEN
V_G = V_{G_MAX}
3 3.5 4 4.5 5 5.5 6
±SUPPLY VOLTAGE (V)
Figure 14.
10
0
2.5
R_L = OPEN
V_G = V_{G_MIN}
3 3.5 4 4.5 5 5.5 6
±SUPPLY VOLTAGE (V)
Figure 15.
8
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