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THS4501 Datasheet, PDF (16/48 Pages) National Semiconductor (TI) – WIDEBAND, LOW-DISTORTION, FULLY DIFFERENTIAL AMPLIFIERS | |||
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THS4500
THS4501
SLOS350F â APRIL 2002 â REVISED OCTOBER 2011
www.ti.com
TYPICAL CHARACTERISTICS: 5 V
SMALL-SIGNAL UNITY-GAIN
FREQUENCY RESPONSE
SMALL-SIGNAL FREQUENCY
RESPONSE
1
0
â1
â2
Gain = 1
RL = 800 â¦
â3 Rf = 392 â¦
PIN = â20 dBm
VS = 5 V
â4
0.1
1
10
100
f â Frequency â MHz
1000
22
20
Gain = 10, Rf = 5.1 kâ¦
18
16
Gain = 5, Rf = 2.4 kâ¦
14
12
10
8 Gain = 2, Rf = 1 kâ¦
6
4
2
RL = 800 â¦
PIN = â30 dBm
0
VS = 5 V
â2
0.1
1
10
100
f â Frequency â MHz
1000
Figure 51.
Figure 52.
0.1-dB GAIN FLATNESS
FREQUENCY RESPONSE
0.2
Rf = 499 â¦
0.1
0
â0.1
Rf = 392 â¦
â0.2
â0.3
â0.4
â0.5
1
Gain = 1
RL = 800 â¦
PIN = â20 dBm
VS = 5 V
10
100
f â Frequency â MHz
Figure 53.
1000
LARGE-SIGNAL FREQUENCY
RESPONSE
1
0
â1
â2
Gain = 1
RL = 800 â¦
â3 Rf = 392 â¦
PIN = 10 dBm
VS = 5 V
â4
0.1
1
10
100
f â Frequency â MHz
Figure 54.
1000
HARMONIC DISTORTION
vs
FREQUENCY
0
â10 Single-Ended Input to
Differential Output
â20 Gain = 1
â30
RL = 800 â¦
Rf = 392 â¦
â40 VO = 1 VPP
â50 VS = 5 V
â60
HD2
â70
â80
â90
HD3
â100
0.1
1
10
100
f â Frequency â MHz
Figure 55.
HARMONIC DISTORTION
vs
FREQUENCY
0
Differential Input to
â10 Differential Output
â20 Gain = 1
RL = 800 â¦
â30 Rf = 392 â¦
â40 VO = 1 VPP
VS = 5 V
â50
â60
HD2
â70
â80
â90
â100
0.1
HD3
1
10
100
f â Frequency â MHz
Figure 56.
HARMONIC DISTORTION
vs
FREQUENCY
0
Single-Ended Input to
â10 Differential Output
â20 Gain = 1
RL = 800 â¦
â30 Rf = 392 â¦
â40 VO = 2 VPP
VS = 5 V
â50
â60
â70
HD3
â80
HD2
â90
â100
0.1
1
10
100
f â Frequency â MHz
Figure 57.
HARMONIC DISTORTION
vs
FREQUENCY
0
Differential Input to
â10 Differential Output
â20 Gain = 1
RL = 800 â¦
â30 Rf = 499 â¦
â40 VO = 2 VPP
VS = 5 V
â50
â60
â70
HD3
HD2
â80
â90
â100
0.1
1
10
100
f â Frequency â MHz
Figure 58.
HARMONIC DISTORTION
vs
OUTPUT VOLTAGE SWING
0
Single-Ended Input to
â10 Differential Output
â20 Gain = 1
â30
RL = 800 â¦
Rf = 392 â¦
â40 f= 8 MHz
VS = 5 V
â50
â60
â70
HD3
â80
HD2
â90
â100
0 0.5 1 1.5 2 2.5 3
VO â Output Voltage Swing â V
Figure 59.
16
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