Performance Plots
Unless otherwise noted, all typical plots are at T
A
= 25°C, V
CC
= 5 V, sinusoidal waveform input and R
ref
= 24 kΩ.
3
V
Tx-en
= 0 V
2.5
70
V
Tx-en
= 55VV
Tx-en =
60
I
CC
- SUPPLY CURRENT - mA
200
f = 132 kHz
180
I
CC
- SUPPLY CURRENT - mA
I
CC
- SUPPLY CURRENT - mA
2
50
40
30
20
10
0
-50
R ref= 8 k©
kΩ
ref
R ref= 12 k©
kΩ
ref
R ref= 24 k©
kΩ
ref
-25
0
25
50
75
T
A
- AMBIENT TEMPERATURE - ˚C
100
160
140
120
100
80
60
40
R
ref
= 8 kΩ
k©
ref
R
ref
= 12 kΩ
k©
ref
R
ref
= 24 kΩ
k©
ref
0
0.2
0.4
0.6
0.8
1
1.2
1.5
1
R
ref
= 8 kΩ
k©
ref
R
ref
= 12 kΩ
k©
ref
k©
R
ref
= 24 kΩ
ref
-50
-25
0
25
50
75
100
0.5
0
T
A
- AMBIENT TEMPERATURE - ˚C
I
Tx-out
- Tx OUTPUT CURRENT - A
PP
Figure 1. Supply current vs. temperature for Tx
disabled.
140
120
A
OL
- VOLTAGE GAIN - dB
Figure 2. Supply current vs. temperature for Tx
enabled.
-60
HD - HARMONIC DISTORTION - dBc
Figure 3. Supply current vs. Tx output current.
240
GAIN
PHASE
210
180
150
120
90
60
R L = 50 ©
Ω
L
1
10
100
30
0
1 k 10 k 100 k 1 M 10 M
PHASE - DEGREES
-60
-64
-66
-68
-70
-72
-74
-76
-78
-80
-50
f = 50 kHz, Gain = -2,
V
Tx-out
= 3.5 V
PP
, R
L
= 50Ω
-25
0
25
50
75
T
A
- AMBIENT TEMPERATURE - ˚C
100
HD - HARMONIC DISTORTION - dBc
-62
HD2
HD3
-62
-64
-66
-68
-70
-72
-74
-76
-78
-80
-50
f = 132 kHz, Gain = -2,
V
Tx-out
= 3.5 V
PP
, R
L
= 50Ω
-25
HD2
HD3
100
80
60
40
20
0
-
-20
0.1
f - FREQUENCY - Hz
0
25
50
75
T
A
- AMBIENT TEMPERATURE - ˚C
100
Figure 4. Gain and phase vs. frequency.
Figure 5. Tx-out harmonic distortion vs.
temperature for f = 50 kHz.
Figure 6. Tx-out harmonic distortion vs.
temperature for f = 132 kHz.
-
-40
- 40
-40
HD - HARMONIC DISTORTION - dBc
HD2
HD3
R
ref
= 24 k©
kΩ
ref
HD - HARMONIC DISTORTION - dBc
-
-42
HD - HARMONIC DISTORTION - dBc
-
-44
-
-46
-
-48
-
-50
-
-52
-
-54
-
-56
-
-58
-
-60
-
-50
f = 450 kHz, Gain = -2,
-2,
V
Tx-out
= 3.5 VV PP
L
R= 50Ω ©
,
Tx-out= 3.5
PP
, R L = 50
-25
-
0
25
50
75
100
HD2
HD3
- 45
- 50
- 55
- 60
- 65
- 70
- 75
- 80
- 85
- 90
0
-45
-50
-55
-60
-65
-70
-75
-80
-85
-90
0
HD2
HD3
R
ref
= 24 k©
kΩ
ref
R
ref
= 12 k©
kΩ
ref
R
ref
= 12 k©
kΩ
ref
R
ref
= 8 k©
kΩ
ref
Gain = -2, V
Tx-out
= 3.5 V
PP
, R
L
= 50Ω
50 100 150 200 250 300 350 400 450 500
f - FREQUENCY - kHz
R
ref
= 8 k©
kΩ
ref
Gain = -4, V
Tx-out
== 3.5
PP
,PP
L
R L50Ω ©
-4, V Tx-out 3.5 V V R, = = 50
50 100 150 200 250 300 350 400 450 500
f - FREQUENCY - kHz
T
A
- AMBIENT TEMPERATURE - ˚C
Figure 7. Tx-out harmonic distortion vs.
temperature for f = 450 kHz.
Figure 8. Tx-out harmonic distortion vs.
frequency for different values of R
ref
at Gain =
-2.
Figure 9. Tx-out harmonic distortion vs.
frequency for different values of R
ref
at Gain =
-4.
6
HP [ AGILENT(HEWLETT-PACKARD) ]
