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LT1490ACN8 数据表(PDF) 9 Page - Linear Technology

部件名 LT1490ACN8
功能描述  Dual Over-The-Top Micropower Rail-to-Rail Input and Output Op Amp
PDF  12 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LT1490ACN8 数据表(HTML) 9 Page - Linear Technology

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9
LT1490A
–
+
VOUT
1490A TA02
100k
100k
C
0.1
µF
VOUT = 5VP-P WITH 5V SUPPLY
IS = 200µA
59k
1/2 LT1490A
5V
R
50k
f = 1
2RC
AT VS = 5V, R = 50k, C = 1nF
OUTPUT IS 5kHz SLEW LIMITED TRIANGLE WAVE
–
+
VIN
1490A TA04
0.22
µF
CL ≤ 10,000pF
150
Ω
1/2 LT1490A
Square Wave Oscillator
Optional Output Compensation for
Capacitive Loads Greater Than 200pF
Q10
D5
Q9
Q1
Q7
R2
1k
R3
1k
R4
40k
Q8
Q5
–IN
+IN
Q11
Q12
D4
ONE AMPLIFIER
D2
Q2
D1
Q6
Q13
Q14
R1
30k
R5
40k
Q4
2
µA
+
Q15
Q19
D3
Q3
Q16
Q18
Q22
V +
Q17
Q20
Q21
OUT
V –
1490A SS
TYPICAL APPLICATIO S
SI PLIFIED SCHE ATIC
APPLICATIO S I FOR ATIO
Gain
The open-loop gain is almost independent of load when
the output is sourcing current. This optimizes performance
in single supply applications where the load is returned to
ground. The typical performance photo of Open-Loop
Gain for various loads shows the details.



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