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LTC6952 датащи(PDF) 80 Page - Analog Devices |
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LTC6952 датащи(HTML) 80 Page - Analog Devices |
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80 / 80 page ![]() LTC6952 80 6952f For more information www.analog.com Preliminary Technical Data Advance Product Information Subject to Change Rev PrA ANALOG DEVICES, INC. 2018 D16968-0-5/18(PrA) www.analog.com RELATED PARTS TYPICAL APPLICATION PART NUMBER DESCRIPTION COMMENTS LTC6953 Ultralow Jitter, 4.5GHz Clock Distributor with 11 Outputs and JESD204B Support Eleven Independent CML Outputs with Dividers and Delays, 65fs Additive ADC SNR Jitter LTC6955/LTC6955-1 Ultralow Jitter, 7.5GHz, 11 Output Fanout Buffer Family Eleven CML Outputs, 45fs Additive ADC SNR Jitter LTC6945/LTC6946 Ultralow Noise and Spurious Integer-N Synthesizers 370MHz to 6.4GHz, –226dBc/Hz Normalized In-Band Phase Noise Floor, –157dBc/Hz Wideband Output Phase Noise Floor LTC6947/LTC6948 Ultralow Noise and Spurious Frac-N Synthesizers 350MHz to 6GHz, –226dBc/Hz Normalized In-Band Phase Noise Floor, –157dBc/Hz Wideband Output Phase Noise Floor LTC6950 1.4GHz Low Phase Noise, Low Jitter PLL with Clock Distribution Four Independent LVPECL Outputs with 18fsRMS Additive Jitter (12kHz to 20MHz) LTC6951 Ultralow Jitter Multioutput Clock Synthesizer with Integrated VCO Four Independent CML Outputs and One LVDS Output, Integrated VCO, 110fs ADC SNR Jitter LTC6954 Low Phase Noise, Triple Output Clock Distribution Divider/ Driver LVPECL, LVDS and CMOS Outputs with < 20fsRMS Additive Jitter (12kHz to 20MHz) LTC2123 14-Bit, 250Msps 1.8V Dual ADC, JESD204B Outputs 5Gbps JESD204B Interface, 70dB SNR, 90dB SFDR, 7mm × 7mm 48-Lead QFN Package LTC2158 14-Bit, 310Msps 1.8V Dual ADC, DDR LVDS Outputs 68.8dB SNR, 88dB SFDR, 9mm × 9mm 64-Lead QFN Package LTC2107 16-Bit, 210Msps High Performance ADC, DDR LVDS Outputs 80dB SNR, 90dB SFDR, 7mm × 7mm 48-Lead QFN Package 49.9Ω 1µF 1µF 75Ω 30Ω 0.1µF 100Ω 0.1µF 0.1µF 10kΩ 160Ω 100Ω 1µF 48.7Ω 0.1µF 33nF 48.7Ω 1.2µF 0.47µF 100Ω 100Ω 100Ω 0.1µF 0.1µF 0.1µF 0.1µF 0.1µF 0.1µF 22nF CP VCO+ VCO– REF+ REF– VOUT + VREF + VD + VCP + 3.3V 5V VVCO + 3.3V OUT10± LTC6952 OUT6± OUT7± OUT8± OUT9± Crystek CVCO55CC- 4000-4000 IN+ IN– VOUT + VD + 3.3V VTUNE VIN + OUT0± 4GHz CLOCKS OUT1± OUT2± OUT10+ OUT10– LTC6955 BUFFER OUT3± OUT4± OUT5± OUT6+ OUT6– OUT7± OUT8+ OUT8– OUT9± 3.3V FILT fVCO POWERED DOWN OR ADDITIONAL 4GHZ CLOCKS SYSREF PAIRS TO LTC6955 CLOCKS OUT0+ OUT0– OUT1± OUT2+ OUT2– CAN BE USED AS CLOCKS ≤ 4GHZ OR SYSREFS fOUT = 4GHz SEL3 SEL2 SEL1 SEL0 3.3V Crystek CCHD-575-25-100 100MHz Ref Osc /1 /1 /1 LTC6952Wizard REGISTER VALUES: FILE: LTC6952_LTC6955_4GHz EZS_SRQ+ EZS_SRQ– TO SYNC OUTPUTS: TOGGLE SSYNC REGISTER BIT 6952 TA06 OUT3± OUT4± OUT5± LTC6955 vs LTC6952 4GHz Phase Noise LTC6955 RMS JITTER = 52fs LTC6952 RMS JITTER = 78fs EQUIVALENT ADC SNR METHOD LTC6952 (6 OUTPUTS ON) LTC6955 (ALL OUTPUT ON) OFFSET FREQUENCY (Hz) 1k 10k 100k 1M 10M 40M –170 –160 –150 –140 –130 –120 –110 –100 6952 TA06a |
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