1739 Просмотр технического описания (PDF) - Linear Technology
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1739 Datasheet PDF : 20 Pages
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LT1739
TYPICAL PERFOR A CE CHARACTERISTICS
Supply Current
vs Ambient Temperature
15
VS = ±12V
14 RBIAS = 24.9k TO SHDN
13 VSHDNREF = 0V
12
11
10
9
8
7
6
5
–50 –30 –10 10 30 50
TEMPERATURE (°C)
70 90
1739 G01
Input Common Mode Range
vs Supply Voltage
V+ TA = 25°C
–0.5 ∆VOS > 1mV
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
V–
2
4
6
8 10 12 14
SUPPLY VOLTAGE (±V)
1739 G02
Input Bias Current
vs Ambient Temperature
200
VS = ±12V
180 IS PER AMPLIFIER = 10mA
160
140
120
100
80
60
40
20
0
–50 –30 –10 10 30 50
TEMPERATURE (°C)
70 90
1739 G03
Input Noise Spectral Density
100
100
TA = 25°C
VS = ±12V
IS PER AMPLIFIER = 10mA
10
en
10
1
in
1
0.1
1
10
100
1k
10k
FREQUENCY (Hz)
0.1
100k
1739 G04
Output Short-Circuit Current
vs Ambient Temperature
800
VS = ±12V
780
IS PER AMPLIFIER = 10mA
760
740
720
700
SINKING
680
SOURCING
660
640
620
600
–50 –30 –10 10 30 50 70 90
TEMPERATURE (°C)
1739 G05
Output Saturation Voltage
vs Ambient Temperature
V+
VS = ±12V
–0.5
–1.0
–1.5
RL = 100Ω
ILOAD = 250mA
1.5
ILOAD = 250mA
1.0
0.5
RL = 100Ω
V–
– 50 –30
–10 10 30 50
TEMPERATURE (°C)
70 90
1739 G06
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
1739 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)
1739 G08
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)
1739 G09
4
1739fas, sn1739
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