
THS4221, THS4225
THS4222, THS4226
SLOS399G AUGUST 2002 REVISED JANUARY 2004
www.ti.com
11
100
90
80
70
60
50
40
30
20
10
0
0.1
1
10
100
HD2
HD3
Harmonic
Distortion
dBc
HARMONIC DISTORTION
vs
FREQUENCY
f Frequency MHz
Gain = 1
RL = 150
VO = 2 VPP
VS = ±5 V
Figure 4
100
90
80
70
60
50
40
30
20
10
0
0.1
1
10
100
HD2
HD3
Harmonic
Distortion
dBc
HARMONIC DISTORTION
vs
FREQUENCY
f Frequency MHz
Gain = 1
RL = 499
VO = 2 VPP
VS = ±5 V
Figure 5
100
90
80
70
60
50
40
30
20
10
0
0.5 1
1.5 2
2.5 3
3.5 4
4.5 5
Harmonic
Distortion
dBc
HARMONIC DISTORTION
vs
OUTPUT VOLTAGE SWING
VO Output Voltage Swing V
HD3, 5 V
HD2, ±5 V
and 5 V
HD3, ±5 V
Gain = 1
RL = 499
f = 8 MHz
Figure 6
100
90
80
70
60
50
40
30
20
10
0
0.5 1
1.5 2
2.5 3
3.5 4
4.5 5
Harmonic
Distortion
dBc
HARMONIC DISTORTION
vs
OUTPUT VOLTAGE SWING
VO Output Voltage Swing V
HD3, 5 V
HD2, ±5 V
HD3, ±5 V
Gain = 1
RL = 499
f= 30 MHz
HD2, 5 V
Figure 7
100
90
80
70
60
50
40
30
20
10
0
0.1
1
10
100
HD2
HD3
Harmonic
Distortion
dBc
HARMONIC DISTORTION
vs
FREQUENCY
f Frequency MHz
Gain = 1
RL = 150
VO = 2 VPP
VS = 5 V
Figure 8
100
90
80
70
60
50
40
30
20
10
0
0.1
1
10
100
HD2
HD3
Harmonic
Distortion
dBc
HARMONIC DISTORTION
vs
FREQUENCY
f Frequency MHz
Gain = 1
RL = 499
VO = 2 VPP
VS = 5 V
Figure 9
Figure 10
1
10
100
1 k
10 k
100 k
1 M
10 M
0.1
1
10
Vn
In
f Frequency Hz
V
oltage
Noise
VOLTAGE AND CURRENT NOISE
vs
FREQUENCY
nV/
Hz
V
n
Current
Noise
pA/
Hz
I n
Figure 11
0
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0.16
0.18
0.20
0
1
23
45
Number of Loads 150
Differential
Gain
%
DIFFERENTIAL GAIN
vs
NUMBER OF LOADS
Gain = 2
Rf = 1.5 k
40 IRE NTSC
Worst Case ±100
IRE Ramp
VS = 5 V
VS = ±5 V
Figure 12
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
012
34
5
Number of Loads 150
Differential
Phase
DIFFERENTIAL PHASE
vs
NUMBER OF LOADS
Gain = 2
Rf = 1.5 k
40 IRE NTSC
Worst Case ±100 IRE Ramp
°