THS4502 Datasheet, PDF (16/49 Pages) Texas Instruments – WIDEBAND, LOW-DISTORTION FULLY DIFFERENTIAL AMPLIFIERS

THS4502
THS4503
SLOS352E – APRIL 2002 – REVISED OCTOBER 2011
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TYPICAL CHARACTERISTICS (5 V GRAPHS)
SMALL SIGNAL UNITY GAIN
FREQUENCY RESPONSE
1
0
-1
-2
Gain = 1
R_L = 800 Ω
-3 Rf = 392 Ω
P_IN = -20 dBm
V_S = 5 V
-4
0.1
1
10
100
f - Frequency - MHz
1000
SMALL SIGNAL FREQUENCY RESPONSE
22
20
Gain = 10, R_f = 1.3 kΩ
18
16
Gain = 5, R_f = 1.3 kΩ
14
12
10
8 _{Gain = 2, Rf = 1 kΩ}
6
4
2
R_L = 800 Ω
P_IN = -30 dBm
0
V_S = 5 V
-2
0.1
1
10
100
1000
f - Frequency - MHz
0.1 dB GAIN FLATNESS
FREQUENCY RESPONSE
0.2
0.1
R_f = 499 Ω
0
-0.1
R_f = 392 Ω
-0.2
-0.3
-0.4
-0.5
1
Gain = 1
R_L = 800 Ω
P_IN = -20 dBm
V_S = 5 V
10
100
f - Frequency - MHz
1000
Figure 50.
Figure 51.
Figure 52.
HARMONIC DISTORTION
vs
FREQUENCY
0
-10
Single-Ended Input to
Differential Output
-20 Gain = 1
-30
R_L = 800 Ω
R_f = 499 Ω
-40 VO = 1 VPP
V_S = 5 V
-50
-60
-70
-80
-90
-100
0.1
HD3
HD2
1
10
100
f - Frequency - MHz
Figure 53.
HARMONIC DISTORTION
vs
FREQUENCY
0
-10
Single-Ended Input to
Differential Output
-20 Gain = 1
-30
R_L = 800 Ω
R_f = 499 Ω
-40 VO = 2 VPP
-50 ^{VS = 5 V}
-60
-70
-80
-90
-100
0.1
HD3
HD2
1
10
100
f - Frequency - MHz
Figure 54.
HARMONIC DISTORTION
vs
FREQUENCY
0
-10
Differential Input to
Differential Output
-20 Gain = 1
-30
R_L = 800 Ω
R_f = 499 Ω
-40 VO = 1 VPP
V_S = 5 V
-50
HD2
-60
-70
-80
HD3
-90
-100
0.1
1
10
100
f - Frequency - MHz
Figure 55.
HARMONIC DISTORTION
vs
FREQUENCY
0
Differential Input to
-10 _{Differential Output}
-20 ^{Gain = 1}
R_L = 800 Ω
-30 _{Rf = 499 Ω}
-40 ^{VO = 2 VPP}
V_S = 5 V
-50
-60
-70
HD3
-80
-90
HD2
-100
0.1
1
10
100
f - Frequency - MHz
Figure 56.
HARMONIC DISTORTION
vs
OUTPUT VOLTAGE SWING
0
-10
Single-Ended Input to
Differential Output
-20 Gain = 1
-30
R_L = 800 Ω
R_f = 499 Ω
-40 f= 8 MHz
-50 ^{VS = ±5 V}
-60
HD3
-70
-80
HD2
-90
-100
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
V_O - Output Voltage Swing - V
Figure 57.
HARMONIC DISTORTION
vs
OUTPUT VOLTAGE SWING
0
-10
Single-Ended Input to
Differential Output
-20 Gain = 1
-30
R_L = 800 Ω
R_f = 499 Ω
-40 f= 30 MHz
-50 ^{VS = 5 V}
HD3
-60
HD2
-70
-80
-90
-100
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
V_O - Output Voltage Swing - V
Figure 58.
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