lt1739 Linear Technology Corporation, lt1739 Datasheet - Page 5
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lt1739
Manufacturer Part Number
lt1739
Description
Dual 500ma, 200mhz Xdsl Line Driver Amplifier
Manufacturer
Linear Technology Corporation
Datasheet
1.LT1739.pdf
(20 pages)
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TYPICAL PERFOR A CE CHARACTERISTICS
1000
0.01
100
100
0.1
20
10
90
80
70
60
50
40
30
10
0
1
0.01
0.1
CMRR vs Frequency
Output Impedance vs Frequency
T
V
AMPLIFIER = 10mA
A
S
= 25 C
12V
AMPLIFIER = 2mA
0.1
FREQUENCY (MHz)
FREQUENCY (MHz)
I
1
S
PER
T
V
I
–100
S
–60
–70
–80
A
S
I
–40
–50
–90
S
= 10mA PER AMPLIFIER
= 25 C
= 12V
1
PER
I
AMPLIFIER = 15mA
0
S
Differential Harmonic Distortion
vs Output Amplitude
f = 1MHz
T
V
A
R
I
PER
S
A
S
V
L
PER AMPLIFIER = 10mA
= 25 C
10
= 12V
= 10
= 50
2
10
W
4
1739 G10
6
1739 G13
U
V
100
100
OUT(P-P)
8
10
12
100
–10
0.5
2.5
2.0
1.5
1.0
90
80
70
60
50
40
30
20
10
14
HD3
HD2
0
0
0.01
0
PSRR vs Frequency
I
SHDN
T
V
V
16
1739 G16
A
S
SHDNREF
0.5
= 25 C
= 12V
18
1.0
vs V
0.1
(+) SUPPLY
= 0V
1.5
SHDN
FREQUENCY (MHz)
2.0
V
V
A
I
SHDN
S
S
V
(–) SUPPLY
2.5
= 10mA PER AMPLIFIER
= 12V
= 10
1
(V)
3.0
3.5
10
–40
–45
–50
–55
–60
–65
–80
–85
–90
–70
–75
4.0
100
Differential Harmonic Distortion
vs Frequency
4.5
1739 G14
V
T
V
A
R
I
1739 G11
S
A
O
S
V
L
200
PER AMPLIFIER = 10mA
= 25 C
= 10V
= 12V
= 10
= 50
100
5.0
300
P-P
400
FREQUENCY (kHz)
–10
–15
–20
500
30
25
20
15
10
–5
35
30
25
20
10
15
5
0
5
0
1k
0
Frequency Response
vs Supply Current
Supply Current vs V
600 700
V
A
T
V
V
A
S
V
S
SHDNREF
0.5
= 12V
= 10
= 25 C
= 12V
10k
1.0
HD3
10mA PER AMPLIFIER
15mA PER AMPLIFIER
800
= 0V
2mA PER AMPLIFIER
1.5
100k
HD2
FREQUENCY (Hz)
900
2.0
1739 G17
V
SHDN
1000
2.5
1M
(V)
3.0
SHDN
LT1739
10M
3.5
1739fas, sn1739
4.0
100M
1739 G12
4.5
1739 G14
5
5.0