LT6350 데이터 시트보기 (PDF) - Linear Technology
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LT6350 Datasheet PDF : 28 Pages
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LT6350
TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, V+ = 5V, V– = 0V, V+IN1 = V2 = Mid-Supply, VSHDN = V+, RF = SHORT, RG = OPEN, RL = OPEN. See Figure 1.
Differential Frequency Response
vs Gain
40
VS = 5V
RL = 2k
30
RF + RG = 2k FOR AVDIFF > 2
20
10
0
–10
–20
0.1
AVDIFF = 20
AVDIFF = 10
AVDIFF = 4
AVDIFF = 2
1
10
100
FREQUENCY (MHz)
1000
6350 G37
Differential Frequency Response
vs Temperature
10
VS = 5V
RL = 2k
5
0
–5
–10
–15
0.1
TA = 85°C
TA = 25°C
TA = –40°C
1
10
100
FREQUENCY (MHz)
1000
6350 G38
Closed Loop Small Signal
Frequency Response, Op Amp 1
30
AV1 = 10
20
VS = 5V
RL = 2k
RF + RG = 2k for AV1 > 1
AV1 = 5
10
AV1 = 2
AV1 = 1
0
–10
0.1
1
10
100
FREQUENCY (MHz)
1000
6350 G19
Closed Loop Small Signal
Frequency Response, Op Amp 2
5
MAGNITUDE
0
500
VS = 5V
400
–5
300
–10 PHASE
200
Closed Loop Magnitude and
Group Delay Response, Op Amp 2
5
8
MAGNITUDE
0
7
GROUP DELAY
–5
6
Output Balance vs Frequency
60
VS = 5V
50
40
30
–15
100
20
–10
5
–20
0
10
–25
–100
–15
0.1
1
10
100
1000
0.1
1
4
0
10
100
0.1
1
10
100
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
6350 G20
6350 G40
6350 G41
Small Signal Step Response
OUT2, CL = 56pF EACH OUTPUT TO GND
OUT1, NO LOAD
OUT2, NO LOAD
OUT1, CL = 56pF EACH OUTPUT TO GND
VS = 5V 200ns/DIV
6350 G33
Large Signal Step Response
5
OUT2
4
3
V+ = 5V, V – = 0V
V+IN2 = 2.5V
NO LOAD
2
1
OUT1
0
200ns/DIV
6350 G34
Differential Slew Rate
vs Temperature
80
VS = 5V
OUT1 TIED TO –IN1
70 50Ω SOURCE IMPEDANCE
RL = 1k
60
OUT1 RISING
50 (OUT2 FALLING)
40
OUT2 RISING
(OUT1 FALLING)
30
20
–60 –40 –20 0 20 40 60 80 100 120 140
TEMPERATURE (°C)
3586 G35
6350f
9
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