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THS4221D Datasheet, PDF (11/40 Pages) Texas Instruments – LOW-DISTORTION, HIGH-SPEED, RAIL-TO-RAIL OUTPUT OPERATIONAL AMPLIFIERS | |||
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www.ti.com
THS4221, THS4225
THS4222, THS4226
SLOS399G â AUGUST 2002 â REVISED JANUARY 2004
HARMONIC DISTORTION
vs
FREQUENCY
0
â10 Gain = 1
RL = 150 â¦
â20 VO = 2 VPP
â30 VS = ±5 V
â40
â50
â60
â70
HD2
â80
â90
â100
0.1
HD3
1
10
100
f â Frequency â MHz
Figure 4
HARMONIC DISTORTION
vs
OUTPUT VOLTAGE SWING
0
â10 Gain = 1
RL = 499 â¦
â20 f= 30 MHz
â30
â40
â50 HD3, 5 V
HD3, ±5 V
â60
â70
â80
HD2, ±5 V
â90
HD2, 5 V
â100
0
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
VO â Output Voltage Swing â V
Figure 7
VOLTAGE AND CURRENT NOISE
vs
FREQUENCY
100
10
Vn
10
1
In
1
0.1
1k
10 k
100 k 1 M
10 M
f â Frequency â Hz
Figure 10
HARMONIC DISTORTION
vs
FREQUENCY
0
â10 Gain = 1
RL = 499 â¦
â20 VO = 2 VPP
â30 VS = ±5 V
â40
â50
â60
â70
HD2
â80
â90
HD3
â100
0.1
1
10
100
f â Frequency â MHz
Figure 5
HARMONIC DISTORTION
vs
FREQUENCY
0
â10 Gain = 1
RL = 150 â¦
â20 VO = 2 VPP
â30 VS = 5 V
â40
â50
â60
â70
â80
â90
â100
0.1
HD3
HD2
1
10
100
f â Frequency â MHz
Figure 8
DIFFERENTIAL GAIN
vs
NUMBER OF LOADS
0.20
Gain = 2
0.18 Rf = 1.5 kâ¦
0.16 40 IRE â NTSC
Worst Case ±100
0.14 IRE Ramp
0.12
0.10
0.08
VS = 5 V
0.06
VS = ±5 V
0.04
0.02
0
0
1
2
3
4
5
Number of Loads â 150 â¦
Figure 11
HARMONIC DISTORTION
vs
OUTPUT VOLTAGE SWING
0
â10 Gain = 1
RL = 499 â¦
â20 f = 8 MHz
â30
â40
â50
â60
HD3, 5 V
â70
HD2, ±5 V
and 5 V
â80
â90
â100
0
HD3, ±5 V
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
VO â Output Voltage Swing â V
Figure 6
HARMONIC DISTORTION
vs
FREQUENCY
0
â10 Gain = 1
RL = 499 â¦
â20 VO = 2 VPP
â30 VS = 5 V
â40
â50
â60
â70
â80
â90
â100
0.1
HD3
HD2
1
10
100
f â Frequency â MHz
Figure 9
DIFFERENTIAL PHASE
vs
NUMBER OF LOADS
0.4
Gain = 2
0.35 Rf = 1.5 kâ¦
40 IRE â NTSC
0.3 Worst Case ±100 IRE Ramp
0.25
0.2
0.15
0.1
0.05
0
0
1
2
3
4
5
Number of Loads â 150 â¦
Figure 12
11
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