LT1794ISW Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
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LT1794ISW Datasheet PDF : 20 Pages
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TYPICAL PERFOR A CE CHARACTERISTICS
LT1794
Open-Loop Gain and Phase
vs Frequency
120
120
100
80
PHASE
80
40
60
0
40
–40
20
–80
GAIN
0
–120
–20 TA = 25°C
–40
VS = ±12V
AV = –10
–60 RL = 100Ω
IS PER AMPLIFIER = 10mA
–80
100k
1M
10M
FREQUENCY (Hz)
–160
–200
–240
–280
100M
1794 G07
–3dB Bandwidth
vs Supply Current
45
TA = 25°C
40 VS = ±12V
AV = 10
35 RL = 100Ω
30
25
20
15
10
5
0
2 4 6 8 10 12 14
SUPPLY CURRENT PER AMPLIFIER (mA)
1794 G08
CMRR vs Frequency
100
TA = 25°C
90
VS = ±12V
80
IS = 10mA PER AMPLIFIER
70
60
50
40
30
20
10
0
0.1
1
10
100
FREQUENCY (MHz)
1794 G10
Output Impedance vs Frequency
1000
TA = 25°C
VS ±12V
100
IS PER
AMPLIFIER = 2mA
10
IS PER
1 AMPLIFIER = 10mA
IS PER
0.1
AMPLIFIER = 15mA
0.01
0.01
0.1
1
10
FREQUENCY (MHz)
100
1734 G13
PSRR vs Frequency
100
90
VS = ±12V
AV = 10
80
IS = 10mA PER AMPLIFIER
70
60
50
(–) SUPPLY
40
30
(+) SUPPLY
20
10
0
–10
0.01
0.1
1
10
100
FREQUENCY (MHz)
1794 G11
ISHDN vs VSHDN
2.5
TA = 25°C
VS = ±12V
2.0 VSHDNREF = 0V
1.5
1.0
0.5
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
VSHDN (V)
1794 G14
Slew Rate vs Supply Current
1000
900
800
700
TA = 25°C
VS = ±12V
AV = –10
RL = 1k
RISING
600
FALLING
500
400
300
200
100
0
2 3 4 5 6 7 8 9 10 11 12 13 14 15
SUPPLY CURRENT PER AMPLIFIER (mA)
1794 G09
Frequency Response
vs Supply Current
30
VS = ±12V
25 AV = 10
20
15
2mA PER AMPLIFIER
10
10mA PER AMPLIFIER
5
15mA PER AMPLIFIER
0
–5
–10
–15
–20
1k
10k 100k 1M 10M
FREQUENCY (Hz)
100M
1794 G12
Supply Current vs VSHDN
35
TA = 25°C
30
VS = ±12V
VSHDNREF = 0V
25
20
15
10
5
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
VSHDN (V)
1794 G14
5
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