THS4211 Datasheet, PDF (15/41 Pages) Texas Instruments – LOW-DISTORTION HIGH-SPEED VOLTAGE FEEDBACK AMPLIFIER

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THS4211
THS4215
SLOS400D – SEPTEMBER 2002 – REVISED NOVEMBER 2004
TYPICAL CHARACTERISTICS (5 V Graphs)
SMALL SIGNAL UNITY GAIN
FREQUENCY RESPONSE
4
Gain = 1
3 _{RL = 499 Ω}
V_O = 250 mV
2 _{VS = 5 V}
1
0
-1
-2
-3
-4
100 k 1 M
10 M 100 M 1 G
f - Frequency - Hz
10 G
Figure 39.
LARGE SIGNAL
FREQUENCY RESPONSE
1
0
-1
-2
Gain = 1
-3 ^RL ^{= 499 Ω}
V_O = 2 V_PP
V_S = 5 V
-4
100 K
1M
10 M
100 M
1G
f - Frequency - Hz
Figure 42.
HARMONIC DISTORTION
vs
FREQUENCY
-40
-45 ^{Gain = 1}
V_O = 2 V_PP
-50 R_L = 150 Ω, and 499 Ω
-55 ^{VS = 5 V}
-60
HD3
-65
-70
HD2
-75
-80
-85
-90
1
10
100
f - Frequency - MHz
Figure 45.
SMALL SIGNAL
FREQUENCY RESPONSE
22
20
Gain = 10
18
16 _{Gain = 5}
14
12 ^{RL = 499 Ω}
10
R_f = 392 Ω
V_O = 250 mV
8 V_S = 5 V
6
Gain = 2
4
2
0
-2
Gain = -1
-4
100 k
1M
10 M
100 M
1G
f - Frequency - Hz
Figure 40.
SLEW RATE
vs
OUTPUT VOLTAGE
1000
900
Fall, G = 1
800
Rise, G = 1
700
600
Rise, G = -1
500
400
Fall, G = -1
300
200
R_L = 499 Ω
R_f = 392 Ω
100
V_S = 5 V
0
0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
V_O - Output Voltage -V
Figure 43.
HARMONIC DISTORTION
vs
FREQUENCY
-40
-50
-60
-70
-80
-90
-100
1
HD2
HD3
Gain = 2
V_O = 1 V_PP
R_f = 392 Ω
R_L = 150 Ω and 499 Ω
V_S = 5 V
10
100
f - Frequency - MHz
Figure 46.
0.1 dB GAIN FLATNESS
FREQUENCY RESPONSE
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
-0.6
-0.7 Gain = 1
-0.8
R_L = 499 Ω
V_O = 250 mV
-0.9 V_S = 5 V
-1
1M
10 M
100 M
1G
f - Frequency - Hz
Figure 41.
HARMONIC DISTORTION
vs
FREQUENCY
-50
Gain = 1
-55 _{VO = 1 VPP}
-60 ^RL ^{= 150 Ω, and 499 Ω}
V_S = 5 V
-65
-70
HD2
-75
-80
HD3
-85
-90
-95
-100
1
10
100
f - Frequency - MHz
Figure 44.
HARMONIC DISTORTION
vs
FREQUENCY
-30
-40
-50
HD2
-60
HD3
-70
-80
-90
1
Gain = 2
V_O = 2 V_PP
R_f = 392 Ω
R_L = 150 Ω and 499 Ω
V_S = 5 V
10
100
f - Frequency - MHz
Figure 47.
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