LTC6930-X.XX(RevA) View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LTC6930-X.XX Datasheet PDF : 12 Pages
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LTC6930-X.XX
TYPICAL APPLICATION
Dual, Matched, Digitally Programmable, Lowpass Filter, 2kHz to 256kHz
5V
VIN1
1 IN+
OUT 8
3.48k
2 IN–
3 GND
V+ 7
RX 6
2k
1μF LTC1569-7
4 V– DIV/CLK 5
VOUT1
5V
0.1μF
Amplitude Response
0
5V
VIN2
1 IN+
OUT 8
3.48k
2 IN–
3 GND
V+ 7
RX 6
2k
1μF LTC1569-7
4 V– DIV/CLK 5
VOUT2
5V
0.1μF
0.1μF
DIVA
DIVB
DIVC
1 V+
V+ 8
2 GND
OUT 7
3 DIVA GND 6
LTC6930-8.192
4 DIVB DIVC 5
5V
0.1μF
fOSC
6930 TA02
–20
–40 fCUTOFF = 8kHz 32kHz 128kHz
–60
–80
–100
1
10
100
FREQUENCY (kHz)
1000
DIVC, DIVB, DIVA 000
001
010
011
100
101
fCUTOFF
256kHz 128kHz 64kHz 32kHz 16kHz 8kHz
110 111
4kHz 2kHz
RELATED PARTS
PART NUMBER
LTC1799
LTC6900
LTC6902
LTC6903/LTC6904
LTC6905
LTC6905-XXX
LTC6906
LTC6907
LTC6908
DESCRIPTION
1kHz to 33MHz ThinSOT Oscillator, Resistor Set
1kHz to 20MHz ThinSOT Oscillator, Resistor Set
Multiphase Oscillator with Spread Spectrum Modulation
1kHz to 68MHz Serial Port Programmable Oscillator
17MHz to 170MHz ThinSOT Oscillator, Resistor Set
Fixed Frequency ThinSOT Oscillator Family, up to 133MHz
Micropower 10kHz to 1MHz ThinSOT Oscillator, Resistor Set
Micropower 40kHz to 4MHz ThinSOT Oscillator, Resistor Set
Multiphase Oscillator with Spread Spectrum Modulation
COMMENTS
Wide Frequency Range
Low Power, Wide Frequency Range
2-, 3- or 4-Phase Outputs
0.1% Frequency Resolution, I2C or SPI Interface
High Frequency, 100μsec Startup, 7ps RMS Jitter
No Trim Components Required
12μA Supply Current at 100kHz, 0.65% Frequency Accuracy
36μA Supply Current at 400kHz, 0.65% Frequency Accuracy
2 Outputs Shifted by Either 180° or 90°
12 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
6930fa
LT 0708 REV A • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2008
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