Datasheet

LTC6930-X.XX
14
6930fd
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
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FAX: [phone]
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www.linear.com
 LINEAR TECHNOLOGY CORPORATION 2008
LT 0211 REV D • PRINTED IN USA
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TYPICAL APPLICATION
PART NUMBER DESCRIPTION COMMENTS
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2
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LTC6908 Multiphase Oscillator with Spread Spectrum Modulation 2 Outputs Shifted by Either 180° or 90°
5V
0.1µF
1 8
2 7
3 6
4 5
V
OUT1
V
IN1
5V
1µF2k
3.48k
5V
6930 TA02
LTC1569-7
IN
+
IN
–
GND
V
–
OUT
V
+
R
X
DIV/CLK
0.1µF
1 8
2 7
3 6
4 5
V
OUT2
V
IN2
5V
1µF2k
3.48k
5V
LTC1569-7
IN
+
IN
–
GND
V
–
OUT
V
+
R
X
DIV/CLK
0.1µF
1 8
2 7
3 6
4 5
0.1µF
LTC6930-8.192
V
+
GND
DIVA
DIVB
DIVA
DIVB
DIVC
V
+
OUT
GND
DIVC
FREQUENCY (kHz)
1
GAIN (dB)
0
–20
–40
–60
–80
–100
10 100 1000
32kHzf
CUTOFF
= 8kHz 128kHz
f
OSC
Dual, Matched, Digitally Programmable, Lowpass Filter, 2kHz to 256kHz
Amplitude Response
DIVC, DIVB, DIVA 000 001 010 011 100 101 110 111
f
CUTOFF
256kHz 128kHz 64kHz 32kHz 16kHz 8kHz 4kHz 2kHz