Datasheet LTC6957-1, LTC6957-2, LTC6957-3, LTC6957-4 (Analog Devices) - 38
| Manufacturer | Analog Devices |
| Description | Low Phase Noise, Dual Output Buffer/Driver/Logic Converter |
| Pages / Page | 38 / 38 — TYPICAL APPLICATION. 10MHz Frequency Reference Input Stage with Dual CMOS … |
| File Format / Size | PDF / 1.4 Mb |
| Document Language | English |
TYPICAL APPLICATION. 10MHz Frequency Reference Input Stage with Dual CMOS Outputs. Additive Phase Noise. vs Input Amplitude
Model Line for this Datasheet
- LTC6957HMS-1#PBF LTC6957HMS-1#TRPBF LTC6957HMS-2#PBF LTC6957HMS-2#TRPBF LTC6957HMS-3#PBF LTC6957HMS-3#TRPBF LTC6957HMS-4#PBF LTC6957HMS-4#TRPBF LTC6957IDD-1#PBF LTC6957IDD-1#TRPBF LTC6957IDD-2#PBF LTC6957IDD-2#TRPBF LTC6957IDD-3#PBF LTC6957IDD-3#TRPBF LTC6957IDD-4#PBF LTC6957IDD-4#TRPBF LTC6957IMS-1#PBF LTC6957IMS-1#TRPBF LTC6957IMS-2#PBF LTC6957IMS-2#TRPBF LTC6957IMS-3#PBF LTC6957IMS-3#TRPBF LTC6957IMS-4#PBF LTC6957IMS-4#TRPBF
Text Version of Document
LTC6957-1/LTC6957-2/ LTC6957-3/LTC6957-4
TYPICAL APPLICATION 10MHz Frequency Reference Input Stage with Dual CMOS Outputs
3.3V 3.3V
Additive Phase Noise vs Input Amplitude
–140 0.1µF 0.1µF FILTA = L, FILTB = L LTC6957-3 FILTA = H, FILTB = L c/Hz) 1 12 –145 FILTA = L, FILTB = H FILTA FILTA SD1 FILTA = H, FILTB = H 2 11 OPTIMUM FILT SETTINGS R1 V+ V 0.1µF COILCRAFT DD –150 0.1µF 100Ω HSMS-281C WBC16-1T 3 10 10MHz IN+ OUT1 CMOS OUT1, REF IN • • 10MHz –155 4 9 –10dBm to IN– OUT2 CMOS OUT2, 24dBm 0.1µF R2 604Ω 5 8 10MHz –160 0.1µF GND GNDOUT 6 7 FILTB FILTB SD2 –165 R1 100Ω 6957 TA03a PHASE NOISE AT 100kHz OFFSET (dB –170–10 –8 –6 –4 –2 0 2 4 6 8 10 10MHz REFERENCE INPUT POWER WITH REFERENCE TO 50Ω (dBm) 69571234 TA03b 0.1µF 100Ω TO PHASE NOISE MEASUREMENT 100Ω
RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LTC6945 Ultralow Noise and Spurious Integer-N Synthesizer 350MHz to 6GHz, –226dBc/Hz Normalized In-Band Phase Noise Floor, –157dBc/Hz Wideband Output Phase Noise Floor LTC6946-x Ultralow Noise and Spurious Integer-N Synthesizer 370MHz to 6.4GHz, –226dBc/Hz Normalized In-Band Phase Noise Floor, with Integrated VCO –157dBc/Hz Wideband Output Phase Noise Floor LTC6947 Ultralow Noise and Spurious Fractional-N 350MHz to 6GHz, –226dBc/Hz Normalized In-Band Phase Noise Floor, Synthesizer –157dBc/Hz Wideband Output Phase Noise Floor, Integer-N Spurious Performance LTC6948-x Ultralow Noise and Spurious Fractional-N 370MHz to 6.4GHz, –226dBc/Hz Normalized In-Band Phase Noise Floor, Synthesizer with Integrated VCO –157dBc/Hz Wideband Output Phase Noise Floor, Integer-N Spurious Performance LTC6950 1.4GHz Low Phase Noise, Low Jitter PLL with Clock Four Independent LVPECL Outputs with 18fsRMS Additive Jitter Distribution (12kHz to 20MHz) LTC6954-x Low Phase Noise, Triple Output Clock Distribution LVPECL, LVDS and CMOS Outputs with < 20fsRMS Additive Jitter Divider/Driver (12kHz to 20MHz) 6957fb 38 LT 1217 REV B • PRINTED IN USA www.linear.com/LTC6957-1 For more information www.linear.com/LTC6957-1 ANALOG DEVICES, INC. 2017 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagrams Timing Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL APPLICATION 10MHz Frequency Reference Input Stage with Dual CMOS Outputs
3.3V 3.3V
Additive Phase Noise vs Input Amplitude
–140 0.1µF 0.1µF FILTA = L, FILTB = L LTC6957-3 FILTA = H, FILTB = L c/Hz) 1 12 –145 FILTA = L, FILTB = H FILTA FILTA SD1 FILTA = H, FILTB = H 2 11 OPTIMUM FILT SETTINGS R1 V+ V 0.1µF COILCRAFT DD –150 0.1µF 100Ω HSMS-281C WBC16-1T 3 10 10MHz IN+ OUT1 CMOS OUT1, REF IN • • 10MHz –155 4 9 –10dBm to IN– OUT2 CMOS OUT2, 24dBm 0.1µF R2 604Ω 5 8 10MHz –160 0.1µF GND GNDOUT 6 7 FILTB FILTB SD2 –165 R1 100Ω 6957 TA03a PHASE NOISE AT 100kHz OFFSET (dB –170–10 –8 –6 –4 –2 0 2 4 6 8 10 10MHz REFERENCE INPUT POWER WITH REFERENCE TO 50Ω (dBm) 69571234 TA03b 0.1µF 100Ω TO PHASE NOISE MEASUREMENT 100Ω
RELATED PARTS PART NUMBER DESCRIPTION COMMENTS
LTC6945 Ultralow Noise and Spurious Integer-N Synthesizer 350MHz to 6GHz, –226dBc/Hz Normalized In-Band Phase Noise Floor, –157dBc/Hz Wideband Output Phase Noise Floor LTC6946-x Ultralow Noise and Spurious Integer-N Synthesizer 370MHz to 6.4GHz, –226dBc/Hz Normalized In-Band Phase Noise Floor, with Integrated VCO –157dBc/Hz Wideband Output Phase Noise Floor LTC6947 Ultralow Noise and Spurious Fractional-N 350MHz to 6GHz, –226dBc/Hz Normalized In-Band Phase Noise Floor, Synthesizer –157dBc/Hz Wideband Output Phase Noise Floor, Integer-N Spurious Performance LTC6948-x Ultralow Noise and Spurious Fractional-N 370MHz to 6.4GHz, –226dBc/Hz Normalized In-Band Phase Noise Floor, Synthesizer with Integrated VCO –157dBc/Hz Wideband Output Phase Noise Floor, Integer-N Spurious Performance LTC6950 1.4GHz Low Phase Noise, Low Jitter PLL with Clock Four Independent LVPECL Outputs with 18fsRMS Additive Jitter Distribution (12kHz to 20MHz) LTC6954-x Low Phase Noise, Triple Output Clock Distribution LVPECL, LVDS and CMOS Outputs with < 20fsRMS Additive Jitter Divider/Driver (12kHz to 20MHz) 6957fb 38 LT 1217 REV B • PRINTED IN USA www.linear.com/LTC6957-1 For more information www.linear.com/LTC6957-1 ANALOG DEVICES, INC. 2017 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagrams Timing Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts