THS4502_16 Datasheet, PDF (10/48 Pages) Texas Instruments – Wideband, Low-Distortion Fully Differential Amplifiers

THS4502
THS4503
SLOS352E – APRIL 2002 – REVISED OCTOBER 2011
www.ti.com
TYPICAL CHARACTERISTICS (±5 V Graphs)
SMALL SIGNAL UNITY GAIN
FREQUENCY RESPONSE
1
0.5
SMALL SIGNAL FREQUENCY RESPONSE
22
20
Gain = 10, R_f = 1.3 kΩ
18
0.1 dB GAIN FLATNESS
FREQUENCY RESPONSE
0.1
0
-0.5
-1
-1.5
-2
Gain = 1
-2.5
R_L = 800 Ω
-3 Rf = 392 Ω
-3.5
P_IN = -20 dBm
V_S = ±5 V
-4
0.1
1
10
100
f - Frequency - MHz
1000
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
f - Frequency - MHz
1000
0
R_f = 392 Ω
-0.1
R_f = 499 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 1.
Figure 2.
Figure 3.
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
-50 ^{VS = ±5 V}
-60
-70
-80
HD2
-90
-100
0.1
1
10
f - Frequency - MHz
HD3
100
Figure 4.
HARMONIC DISTORTION
vs
FREQUENCY
0
Differential Input to
-10 _{Differential Output}
-20 ^{Gain = 1}
R_L = 800 Ω
-30 _{Rf = 499 Ω}
-40 ^VO ^{= 1 V}PP
V_S = ±5 V
-50
-60
-70
-80
HD2
-90
-100
0.1
1
10
f - Frequency - MHz
HD3
100
Figure 5.
HARMONIC DISTORTION
vs
FREQUENCY
0
Single-Ended Input to
-10 _{Differential Output}
-20 ^{Gain = 1}
R_L = 800 Ω
-30 _{Rf = 499 Ω}
-40 ^VO ^{= 2 V}PP
V_S = ±5 V
-50
-60
-70
HD2
-80
-90
HD3
-100
0.1
1
10
100
f - Frequency - MHz
Figure 6.
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
HD2
-80
-90
HD3
-100
0.1
1
10
100
f - Frequency - MHz
Figure 7.
HARMONIC DISTORTION
vs
OUTPUT VOLTAGE SWING
0
Single-Ended Input to
-10 _{Differential Output}
-20 ^{Gain = 1}
-30
R_L = 800 Ω
R_f = 499 Ω
-40 ^{f= 8 MHz}
V_S = ±5 V
-50
-60
-70
HD2
-80
-90
HD3
-100
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
V_O - Output Voltage Swing - V
Figure 8.
HARMONIC DISTORTION
vs
OUTPUT VOLTAGE SWING
0
Differential Input to
-10 _{Differential Output}
-20 ^{Gain = 1}
R_L = 800 Ω
-30 R_f = 499 Ω
-40 ^{f= 8 MHz}
V_S = ±5 V
-50
-60
-70
HD2
-80
-90
HD3
-100
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
V_O - Output Voltage Swing - V
Figure 9.
10
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