LT1739 View Datasheet(PDF) - Linear Technology
Part Name
Description
Manufacturer
LT1739 Datasheet PDF : 20 Pages
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LT1739
TYPICAL PERFOR A CE CHARACTERISTICS
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)
1739 G10
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)
1739 G11
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
1739 G12
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
ISHDN vs VSHDN
2.5
TA = 25°C
VS = ±12V
2.0 VSHDNREF = 0V
1.5
1.0
0.5
Supply Current vs VSHDN
35
TA = 25°C
30
VS = ±12V
VSHDNREF = 0V
25
20
15
10
5
0.01
0.01
0.1
1
10
FREQUENCY (MHz)
100
1739 G13
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
VSHDN (V)
1739 G14
0
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
VSHDN (V)
1739 G14
Differential Harmonic Distortion
vs Output Amplitude
–40
f = 1MHz
TA = 25°C
–50 VS = ±12V
AV = 10
–60
RL = 50Ω
IS PER AMPLIFIER = 10mA
HD3
–70
–80
HD2
–90
–100
0 2 4 6 8 10 12 14 16 18
VOUT(P-P)
1739 G16
Differential Harmonic Distortion
vs Frequency
–40
VO = 10VP-P
–45 TA = 25°C
–50
VS = ±12V
AV = 10
–55 RL = 50Ω
IS PER AMPLIFIER = 10mA
–60
–65
–70
–75
HD3
–80
–85
HD2
–90
100 200 300 400 500 600 700 800 900 1000
FREQUENCY (kHz)
1739 G17
1739fas, sn1739
5
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