Datasheet LTC6930-X.XX (Analog Devices) - 14

LTC6930-X.XX
Typical applicaTion Dual, Matched, Digitally Programmable, Lowpass Filter, 2kHz to 256kHz
5V 1 8 VIN1 IN+ OUT VOUT1 2 7 IN– V+ 5V 3.48k 3 6 0.1µF GND RX 2k 1µF LTC1569-7
Amplitude Response
4 5 V– DIV/CLK 0 5V 1 8 V –20 IN2 IN+ OUT VOUT2 2 7 IN– V+ 5V 3.48k fCUTOFF = 8kHz 32kHz 128kHz 3 6 0.1µF –40 GND RX 2k 1µF LTC1569-7 4 5 GAIN (dB) –60 V– DIV/CLK 5V –80 0.1µF 1 8 V+ V+ –100 0.1µF 2 7 f 1 10 100 1000 OSC GND OUT FREQUENCY (kHz) 3 6 DIVA DIVA GND LTC6930-8.192 4 5 DIVB DIVB DIVC 6930 TA02 DIVC
DIVC, DIVB, DIVA 000 001 010 011 100 101 110 111
fCUTOFF 256kHz 128kHz 64kHz 32kHz 16kHz 8kHz 4kHz 2kHz
relaTeD parTs PART NUMBER DESCRIPTION COMMENTS
LTC1799 1kHz to 33MHz ThinSOT™ Oscillator, Resistor Set Wide Frequency Range LTC6900 1kHz to 20MHz ThinSOT Oscillator, Resistor Set Low Power, Wide Frequency Range LTC6902 Multiphase Oscillator with Spread Spectrum Modulation 2-, 3- or 4-Phase Outputs LTC6903/LTC6904 1kHz to 68MHz Serial Port Programmable Oscillator 0.1% Frequency Resolution, I2C or SPI Interface LTC6905 17MHz to 170MHz ThinSOT Oscillator, Resistor Set High Frequency, 100µs Start-Up, 7ps RMS Jitter LTC6905-XXX Fixed Frequency ThinSOT Oscillator Family, Up to 133MHz No Trim Components Required LTC6906 Micropower 10kHz to 1MHz ThinSOT Oscillator, Resistor Set 12µA Supply Current at 100kHz, 0.65% Frequency Accuracy LTC6907 Micropower 40kHz to 4MHz ThinSOT Oscillator, Resistor Set 36µA Supply Current at 400kHz, 0.65% Frequency Accuracy LTC6908 Multiphase Oscillator with Spread Spectrum Modulation 2 Outputs Shifted by Either 180° or 90° LTC6909 Multiphase Oscillator with Spread Spectrum Modulation 8 Outputs, Configurable Phase Separation from 45° to 120° 6930fe 14 Linear Technology Corporation LT 0515 REV E • PRINTED IN USA 1630 McCarthy Blvd., Milpitas, CA 9503 F5o-r 7m 4 o 1 r7e information www.linear.com/LTC6930 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com/LTC6930 LINEAR TECHNOLOGY CORPORATION 2008 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information AC Electrical Characteristics DC Electrical Characteristics Timing Characteristics Pin Functions Applications Information Package Description Revision History Related Parts