THS4221 Datasheet, PDF (11/41 Pages) Texas Instruments – LOW-DISTORTION, HIGH-SPEED, RAIL-TO-RAIL OUTPUT OPERATIONAL AMPLIFIERS

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THS4221, THS4225
THS4222, THS4226
SLOS399G − AUGUST 2002 − REVISED JANUARY 2004
HARMONIC DISTORTION
vs
FREQUENCY
0
−10 ^{Gain = 1}
R_L = 150 Ω
−20 _{VO = 2 VPP}
−30 ^VS ^{= ±5 V}
−40
−50
−60
−70
HD2
−80
−90
−100
0.1
HD3
1
10
100
f − Frequency − MHz
Figure 4
HARMONIC DISTORTION
vs
OUTPUT VOLTAGE SWING
0
−10 ^{Gain = 1}
R_L = 499 Ω
−20 _{f= 30 MHz}
−30
−40
−50 ^{HD3, 5 V}
HD3, ±5 V
−60
−70
−80
HD2, ±5 V
−90
HD2, 5 V
−100
0
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
V_O − Output Voltage Swing − V
Figure 7
VOLTAGE AND CURRENT NOISE
vs
FREQUENCY
100
10
V_n
10
1
I_n
1
0.1
1k
10 k
100 k 1 M
10 M
f − Frequency − Hz
Figure 10
HARMONIC DISTORTION
vs
FREQUENCY
0
−10 ^{Gain = 1}
R_L = 499 Ω
−20 _{VO = 2 VPP}
−30 ^VS ^{= ±5 V}
−40
−50
−60
−70
HD2
−80
−90
HD3
−100
0.1
1
10
100
f − Frequency − MHz
Figure 5
HARMONIC DISTORTION
vs
FREQUENCY
0
−10 ^{Gain = 1}
R_L = 150 Ω
−20 _{VO = 2 VPP}
−30 ^{VS = 5 V}
−40
−50
−60
−70
−80
−90
−100
0.1
HD3
HD2
1
10
100
f − Frequency − MHz
Figure 8
DIFFERENTIAL GAIN
vs
NUMBER OF LOADS
0.20
Gain = 2
0.18 R_f = 1.5 kΩ
0.16 ^{40 IRE − NTSC}
Worst Case ±100
0.14 IRE Ramp
0.12
0.10
0.08
V_S = 5 V
0.06
V_S = ±5 V
0.04
0.02
0
0
1
2
3
4
5
Number of Loads − 150 Ω
Figure 11
HARMONIC DISTORTION
vs
OUTPUT VOLTAGE SWING
0
−10 ^{Gain = 1}
R_L = 499 Ω
−20 _{f = 8 MHz}
−30
−40
−50
−60
HD3, 5 V
−70
HD2, ±5 V
and 5 V
−80
−90
−100
0
HD3, ±5 V
0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
V_O − Output Voltage Swing − V
Figure 6
HARMONIC DISTORTION
vs
FREQUENCY
0
−10 ^{Gain = 1}
R_L = 499 Ω
−20 _{VO = 2 VPP}
−30 ^{VS = 5 V}
−40
−50
−60
−70
−80
−90
−100
0.1
HD3
HD2
1
10
100
f − Frequency − MHz
Figure 9
DIFFERENTIAL PHASE
vs
NUMBER OF LOADS
0.4
Gain = 2
0.35 _{Rf = 1.5 kΩ}
40 IRE − 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 − 150 Ω
Figure 12
11