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THS4500-EP_15 Datasheet, PDF (11/38 Pages) Texas Instruments – WIDEBAND, LOW-DISTORTION, FULLY DIFFERENTIAL AMPLIFIER | |||
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THS4500-EP
www.ti.com
SLOS832 â JUNE 2013
0
â10
â20
â30
â40
â50
â60
â70
â80
â90
â100
0
TYPICAL CHARACTERISTICS: ±5 V (continued)
HARMONIC DISTORTION
vs
OUTPUT VOLTAGE SWING
Single-Ended Input to
Differential Output
HARMONIC DISTORTION
vs
OUTPUT VOLTAGE SWING
0
0
â10
Differentia Input to
Differential Output
â10
Gain = 2
RL = 800 â¦
Rf = 1 kâ¦
f= 30 MHz
VS = ±5 V
â20 Gain = 2
â30
RL = 800 â¦
Rf = 1 kâ¦
â20
â30
â40 f= 8 MHz
â40
â50 VS = ±5 V
â50
HD2
â60
HD2
â60
â70
â70
HD3
â80
HD3
â80
â90
â90
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
â100
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
â100
0
VO â Output Voltage Swing â V
VO â Output Voltage Swing â V
Figure 20.
Figure 21.
HARMONIC DISTORTION
vs
LOAD RESISTANCE
Single-Ended Input to
Differential Output
Gain = 1
VO = 2 VPP
Rf = 392 â¦
f= 30 MHz
VS = ±5 V
HD2
HD3
400
800
1200
RL â Load Resistance â â¦
Figure 22.
1600
0
â10
â20
â30
â40
â50
â60
â70
â80
â90
â100
0
HARMONIC DISTORTION
vs
LOAD RESISTANCE
Differential Input to
Differential Output
Gain = 1
VO = 2 VPP
Rf = 392 â¦
f= 30 MHz
VS = ±5 V
HD2
HD3
400
800
1200
RL â Load Resistance â â¦
Figure 23.
1600
THIRD-ORDER INTERMODULATION
DISTORTION
vs
FREQUENCY
â50
Single-Ended Input to
Differential Output
â60 Gain = 1
RL = 800 â¦
Rf = 392 â¦
â70 VO = 2 VPP
VS = ±5 V
â80
â90
â100
10
100
f â Frequency â MHz
Figure 24.
THIRD-ORDER OUTPUT INTERCEPT
POINT
vs
FREQUENCY
55
Gain = 1
50
RF = 392 W
VO = 2 VPP
VS = ± 5 V
45
40
35
30
0 20 40 60 80 100 120
f - Frequency - MHz
Figure 25.
SLEW RATE
vs
DIFFERENTIAL OUTPUT VOLTAGE
STEP
3000
Gain = 1
2500
RL = 800 â¦
Rf = 392 â¦
VS = ±5 V
2000
1500
1000
500
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
VO â Differential Output Voltage Step â V
Figure 26.
0.8
0.6
0.4
0.2
0
â0.2
â0.4
â0.6
â0.8
0
SETTLING TIME
Rising Edge
Gain = 1
RL = 800 â¦
Rf = 499 â¦
f= 1 MHz
VS = ±5 V
Falling Edge
5
10
15
20
t â Time â ns
Figure 27.
SETTLING TIME
1.5
Rising Edge
1.0
Gain = 1
0.5
RL = 800 W
RF = 499 W
0
f = 1 MHz
VS = ±5 V
-0.5
Falling Edge
-1.0
-1.5
0 2 4 6 8 10 12 14
t - Time - ns
Figure 28.
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