LT1794 LINER [Linear Technology], LT1794 Datasheet - Page 5

• Manufacturer Part Number: LT1794
• Description: Dual 500mA, 200MHz xDSL Line Driver Amplifier
• Manufacturer: LINER [Linear Technology]

TYPICAL PERFOR A CE CHARACTERISTICS
–20
–40
–60
–80
120
100
1000
0.01
80
60
40
20
100
100
0.1
0
20
10
90
80
70
60
50
40
30
10
100k
0
1
0.01
0.1
Open-Loop Gain and Phase
vs Frequency
CMRR vs Frequency
Output Impedance vs Frequency
T
V
A
R
I
S
T
V
A
S
V
L
AMPLIFIER = 10mA
PER AMPLIFIER = 10mA
A
S
= 25 C
= 12V
= –10
= 100
= 25 C
12V
AMPLIFIER = 2mA
0.1
1M
FREQUENCY (Hz)
FREQUENCY (MHz)
FREQUENCY (MHz)
I
1
S
PER
T
V
I
S
A
S
I
GAIN
S
= 10mA PER AMPLIFIER
= 25 C
= 12V
1
PER
10M
I
AMPLIFIER = 15mA
S
PER
10
PHASE
10
W
100M
1794 G07
1794 G10
1734 G13
U
100
100
120
80
40
0
–40
–80
–120
–160
–200
–240
–280
100
–10
0.5
2.5
2.0
1.5
1.0
90
80
70
60
50
40
30
20
10
0
0
0.01
45
40
35
30
25
20
15
10
0
PSRR vs Frequency
I
0
5
SHDN
T
V
V
2
A
S
SHDNREF
0.5
–3dB Bandwidth
vs Supply Current
T
V
A
R
= 25 C
= 12V
A
S
V
SUPPLY CURRENT PER AMPLIFIER (mA)
L
= 25 C
= 12V
= 10
= 100
1.0
vs V
4
0.1
(+) SUPPLY
= 0V
1.5
SHDN
FREQUENCY (MHz)
6
2.0
V
V
A
I
SHDN
S
S
V
(–) SUPPLY
2.5
= 10mA PER AMPLIFIER
= 12V
= 10
1
8
(V)
3.0
10
3.5
10
4.0
12
4.5
1794 G14
1794 G11
1794 G08
14
100
5.0
1000
–20
–10
–15
200
100
900
800
700
600
500
400
300
30
25
20
15
10
–5
35
30
25
20
15
10
5
0
5
0
0
1k
0
2
Slew Rate vs Supply Current
Frequency Response
vs Supply Current
Supply Current vs V
V
A
T
V
A
R
T
V
V
A
A
S
V
S
SHDNREF
S
V
L
0.5
3 4 5 6 7 8 9 10
SUPPLY CURRENT PER AMPLIFIER (mA)
= 25 C
= 12V
= 10
= 25 C
= 12V
= 12V
= –10
= 1k
10k
1.0
10mA PER AMPLIFIER
15mA PER AMPLIFIER
= 0V
2mA PER AMPLIFIER
1.5
100k
FREQUENCY (Hz)
2.0
V
SHDN
2.5
1M
(V)
FALLING
3.0
SHDN
RISING
LT1794
10M
3.5
11 12
4.0
100M
13 14 15
1794 G12
4.5
1794 G14
1794 G09
5
5.0