SI5317-EVB

Si 5 3 1 7 - EVB S i 5 3 1 7 E VA LU AT IO N B OARD U S E R ’ S G U I D E Description The Si5317-EVB User’s Guide provides a complete and simple evaluation of the functions, features, and performance of the Si5317. The Si5317 is a pin-controlled 1:1 jitter-attenuating clock for high-performance applications. The Si5317 is based on Skyworks Solutions' 3rdgeneration DSPLL® technology, which provides anyrate jitter attenuation in a highly integrated PLL solution that eliminates the need for external VCXO and loop filter components. The DSPLL loop bandwidth is user programmable, providing jitter performance optimization at the application level. Features No software required. Simple jumpers for device configuration Fully powered from either a single USB port or an external power supply Selectable external reference clock or on-board crystal Status LEDs Header to connect to external test equipment for automated testing Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 0.1 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 4, 2021 Si5317-EVB 1. Functional Block Diagram A functional block diagram of the EVB is shown in Figure 1. The Si5317-EVB provides alarm and status outputs, programmable output clock signal format (LVPECL, LVDS, CML, CMOS), selectable loop bandwidths, and ultra low jitter. The Si5317 accepts a single clock input ranging from 1 MHz to 710 MHz and generates two equal frequency clock outputs ranging from 1 to 710 MHz. The clock frequency range and loop bandwidth are selectable from a simple look-up table. The Si5317-EVB has a differential clock input that is AC terminated to 50  and then AC-coupled to the Si5317. The two clock outputs are AC-coupled. The XA-XB reference is usually a 114.285 MHz crystal; but there are provisions for an external XA-XB reference (either differential or single-ended). The device status are available on a ribbon header and LEDs. Control pins are strapped using jumper headers for device configuration and various board options. The board can be powered using either external power supplies or from a PC's USB port. Refer to the Si5317 data sheet for technical details of the device. Term* XA XB CKOUT1+ Term* CKOUT1CKIN+ Term* CKIN- CKOUT2+ Term* CKOUT2- Si5317 Control 2x15 JUMPER HEADER FRQTBL FRQSEL[3:0] BWSEL[1:0] RATE[1:0] SFOUT[1:0] DBL2_BY VDD DUT Power 3.3V Header GND USB + Regulator Status/ Control INC DEC LOS LOL RST_B 2x5 JUMPER HEADER L E D Figure 1. Si5317 EVB Block Diagram 2 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 0.1 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 4, 2021 Si5317-EVB 2. Si5317-EVB Input and Output Clocks 2.1. Input Clocks The Si5317-EVB has a differential clock input that is ac terminated and ac coupled before being presented to the Si5317. If the input clock frequencies are low (below 10 MHz), there are extra considerations that should be taken into account. The Si5317 has a maximum clock input rise time specification of 11 ns that must be met (see CKNtrf in the Si5317 data sheet). Also, if the input clock is LVCMOS, it might be advantageous to replace the input coupling capacitors (C7, C12, C16. and C18) with 0  resistors. When using LVCMOS inputs, the user should consider removing the ac termination and using source series termination located at the driving source. Regardless of the input format, if the clock inputs are not approximately 50% duty cycle, it is highly recommended to avoid ac coupling. For input clocks that are far off of 50% duty cycle, the average value of the signal that passes through the coupling capacitor will be significantly off of the midpoint between the maximum and minimum value of the clock signal, resulting in a mismatch with the common mode input threshold voltage (see Vicm, in the Si5317 data sheet). 2.2. XA-XB Reference To achieve a very low jitter generation and for stability during holdover, the Si5317 requires a stable, low jitter reference at its XA-XB pins. To that end, the EVB is configured with a 114.285 MHz third overtone crystal connected between pins 6 and 7 of the Si5317. However, the Si5317-EVB is also capable of using an external XAXB reference oscillator, either differential or single-ended. For details concerning the allowed XA-XB reference frequencies and their RATE settings, see the Si5317 data sheet. J1 and J2 are the SMA connectors with ac termination. AC coupling is also provided that needs to be installed at C6 and C8. Table 1 explains the component changes that are needed to implement an external XA-XB reference oscillator. Table 1. XA-XB Reference Connections Mode Xtal Ext Ref Ext Ref In+ NC J1 Ext Ref In- NC J2 NOPOP install C6, C8 R8 install NOPOP RATE0(See note 4) M H RATE1(See note 4) M M Notes: 1. Xtal is 114.285 MHz. 2. NC - no connect. 3. NOPOP - do not install. 4. J12 jumper, see Table 3. 5. C6 on bottom of the board. Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 3 Rev. 0.1 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 4, 2021 Si5317-EVB 2.3. Output Clock The clock outputs are AC-coupled and are available on SMAs J5, J7, J9 and J11. For LVCMOS outputs, it might be desirable to replace the AC coupling capacitors (C9,C14,C17, and C20) with 0  resistors. Also, if greater drive strength is desired for an LVCMOS output, R6 and R10 can be installed. 2.4. Pin Configuration J12 is the large jumper header in the center left of the board that implements the jumper plugs that configure the pins of the Si5317. Each pin can be strapped to become either H, M, or L. The H level is achieved by installing a jumper plug between the appropriate middle row pin and its VDD row pin. L is achieved by installing a jumper plug between the appropriate middle row pin and its GND row pin. M is achieved by installing no jumper plug. 2.5. Evaluation Board Power The EVB can be powered from two possible sources: USB or external supplies. A 3.3 V supply is required to run the LEDs because of their rather large forward drop. The Si5317 power supply can be separated from the 3.3 V supply so that the Si5317 can be evaluated at a voltage other than 3.3 V. It is important to note that when the USB supply is being used, the EVB uses the USB port only for power and that the resulting power supply is strictly 3.3 V. Here are the instructions for the various possibilities: 2.5.1. External Power Supplies Install a jumper between J16.1 and J16.2 (labeled EXT). There should be no USB connection. If the Si5317 is not being operated at 3.3 V, two supplies should be connected to J14. Connect the 3.3 V supply to J14.1 and J14.2 (labeled 3.3 V and GND). Connect the SI5317 power supply between J14.2 and J14.3 (labeled GND and DUT). If the Si5317 is to be operated at 3.3 V, J15 (labeled ONE PWR) can be installed, requiring only one external supply. Connect 3.3 V power between J14.2 and J14.3 (labeled GND and DUT). 2.5.2. USB Power Install a jumper between J16.2 and J16.3 (labeled USB). Install a jumper at J15 (labeled ONE PWR). With a USB cable, plug the EVB into a powered USB port. 2.5.3. USB 3.3V Power, External Si5317 Power Install a jumper between J16.2 and J16.3 (labeled USB). No jumper at J15 (labeled ONE PWR). Connect the Si5317 power supply between J14.2 and J14.3 (labeled GND and DUT). 4 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 0.1 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 4, 2021 Si5317-EVB 3. Connectors and LEDs 3.1. LEDs Table 2. LED Descriptions LED Label Significance D1 CS_CA Not used D2 LOS2 Not used D3 LOS1 ON = no valid clock input D4 LOL ON = Si5317 is not locked D5 DUT_PWR D6 3.3V ON = Si5317 power is present ON = 3.3 V power is present 3.2. Jumpers, Headers, and Connectors Refer to Figure 2 to locate the items described in this section. Figure 2. EVB Jumper Locations Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 5 Rev. 0.1 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 4, 2021 Si5317-EVB Table 3. Configuration Header, J12 J12 Pin J12.1 not used J12.2 SFOUT0 J12.3 SFOUT1 J12.4 FRQSEL0 J12.5 FRQSEL1 J12.6 FRQSEL2 J12.7 FRQSEL3 J12.8 FRQTBL J12.9 BWSEL0 J12.10 BSWEL1 J12.11 DBL2_BY J12.12 not used J12.13 RATE0 J12.14 RATE1 Table 4. Status Indication Header, J13 6 J13 Signal J13.1 INC J13.3 DEC J13.5 LOS J13.7 Not used J13.9 Not used J13.11 LOL J13.13 RST_B Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 0.1 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 4, 2021 mper ugs CKIN2- CKIN2+ J6 SMA_EDGE 1 J8 SMA_EDGE 1 1C 2C 3C 4C 5C 6C 7C 8C 9C 10C 11C 12C 13C 14C J12 14A 14B 13A 13B 12A 12B 11A 11B 10A 10B 9A 9B 8A 8B 7A 7B 6A 6B 5A 5B 4A 4B 3A 3B 2A 2B 1A 1B J10 SMA_EDGE 1 TP2 1 2 14x3_M_HDR_THRU option list CKIN1- J4 SMA_EDGE 1 3 3 3 CKIN1+ 2 2 2 2 2 2 Ext Ref In - 3 J2 SMA_EDGE 1 3 J1 SMA_EDGE 1 R7 SFOUT0 SFOUT1 10 FRQSEL0 FRQSEL1 FRQSEL2 FRQSEL3 FRQTBL BWSEL0 BWSEL1 DBL2_BY AUTOSEL RATE0 DUT_PWR 0 ohm 49.9 R11 100N C18 100N C16 49.9 R9 49.9 RATE1 R14 R5 100N C12 100N C7 49.9 C1 10NF R13 C19 10NF 10NF C15 C13 10NF C3 10NF 49.9 R3 X1 4 3 R8 0 ohm R15 10k DUT_PWR 49.9 R4 C2 10NF TP1 9 1 36 24 25 26 27 2 22 23 14 C11 100N C10 100N C4 100N FILT_DUT_PWR RST NC FRQSEL0 FRQSEL1 FRQSEL2 FRQSEL3 FRQTBL BWSEL0 BWSEL1 DBL2_BY AUTOSEL U1 1 2 1 LOL CS_CA LOS1 LOS2 SFOUT0 SFOUT1 INC DEC CKOUT2+ CKOUT2- CKOUT1+ CKOUT1- Si5315/17 Rate1 Rate0 CKIN_2+ CKIN_2- CKIN1+ CKIN1- XA XB C5 1UF R2 0 ohm Figure 3. Si5317-EVB 1 2 R12 0 ohm NOPOP 15 11 12 13 16 17 6 7 see option list C8 10NF NOPOP see option list 114.285 MHz 2 GND 1 C6 10NF NOPOP NOPOP 100 R1 to power plane 8 31 37 3 VDD1 VDD2 VDD3 C14 100N J7 SMA_EDGE 1 J9 SMA_EDGE 1 J11 SMA_EDGE 1 18 21 3 4 33 1 3 5 7 9 11 13 J13 2 4 6 8 10 12 14 INC DEC LOS1 LOS2 CS_CA LOL RST_B CKOUT2- CKOUT2+ CKOUT1- CKOUT1+ 14_M_Header INC DEC LOS1 LOS2 CS_CA LOL RST_B C20 100N J5 SMA_EDGE 1 30 R10 0 ohm NOPOP 100N C17 optionally install for CMOS outputs R6 0 ohm NOPOP 100N C9 to measure DUT supply Status, Control 2 DUT_PWR 20 19 35 34 28 29 J3 NOPOP Ferrite L1 3 3 3 3 5 10 32 GND1 GND2 GND3 2 2 2 2 Ext Ref In + LOL CS_CA LOS1 LOS2 see option l Si5317-EVB 4. Schematic Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 7 Rev. 0.1 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 4, 2021 * * * 1 2 3 Phoenix_3_screw 3.3V GND DUT_PWR J14 EVB main power 1 2 LOL LOS1 LOS2 CS_CA C25 1UF PHOENIX_3P3V install jumper to run DUT from 3.3V RAW_3P3V J15 Single 3.3V supply 1 + C21 220UF C22 1UF 1 2 BSS138 Q2 Ferrite 1 R20 10k 1 Power Source Selection BSS138 Q5 BSS138 Q4 BSS138 Q3 1 L2 1 DUT_PWR BSS138 Q1 C24 220UF + 3 2 150 150 1 2 3 4 #4 H1 8 7 6 5 Grn 2 C C Grn 2 Red 1 C Red 1 C Red 1 C Yel 2 C A 1 1 2 2 D6 D5 A A D4 A D3 2 D1 1 A D2 A 1 1 #4 H3 #4 H4 3.3V DUT_PWR LOL LOS1 LOS2 CS_CA D+ D- J17 Gnd V USB 4 1 VBUS see option list 3 2 USB power Figure 4. LED and Power/USB R150x4 R19 R18 R17 LED_PWR #4 H2 1 mounting holes USB_3P3V 1 select 3.3V from either USB or from J14 0 ohm R16 V3P3 J16 1 2 3 DUT_PWR 3 2 3 2 3 2 S2 6 DUT_PWR 3 2 S1 5 + C23 33UF + VIN VOUT NC1 U2 FAN1540B C26 33UF 3 2 1 PAD 8 7 DUT Power NC2 NC3 GND 4 5 6 ground pins 1 J26 J25 J24 1 J23 1 J22 J21 J20 J19 J18 1 1 1 1 1 1 Si5317-EVB Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 0.1 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 4, 2021 Si5317-EVB 5. Bill of Materials Item Qty Reference Part Mfr MfrPartNum 1 6 C1,C2,C3, C13,C15, C19 10NF Venkel C0603X7R160103KNE 603 2 11 C4,C7,C9, C10,C11, C12,C14, 100N Venkel C0603X7R160104KNE 603 603 BOM Digikey Footprint C16,C17, C18,C20 3 3 C5,C22,C25 1UF Venkel C0603X7R6R3105KNE 5 2 C21,C24 220UF Kemet T494B227M004A T 6 2 C23,C26 33UF Venkel TA006TCM336M BR 7 1 D1 Yel Panasonic LN1471YTR P11125CT -ND LED_gull 8 3 D2,D3,D4 Red Lumex LN1271RAL P493CTND LED_gull 9 2 D5,D6 Grn Panasonic LN1371G P491CTND LED_gull 11 10 J1,J2,J4,J5, J6,J7,J8,J9, SMA_ EDGE Johnson 142-0701-801 J502-ND SMA_EDGE_p062 399-46311-ND SM_C_3528_21 3528 J10,J11 13 1 J12 14x3_M_HDR_THRU any two and one row side by side 15 1 J14 Phoenix_3 _screw Phoenix MKDSN 1.5/35.08 16 1 J15 Jmpr_2pin 17 1 J16 Jmpr_3pin 18 1 J17 USB 19 4 J19,J20,J24, J26 Jmpr_1pin 20 2 L1,L2 Ferrite Venkel FBC1206-471H 21 5 Q1,Q2,Q3, Q4,Q5 BSS138 On Semi BSS138LT1G 20x3_M_HDR_THRU 277-1248- Phoenix3pinM_p2pitch ND 3pin_p1pitch FCI 61729-0010BLF 609-1039ND USB_typeB 1pin_p1pitch 1206 BSS138L T10SCTND SOT23 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 9 Rev. 0.1 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 4, 2021 Si5317-EVB Item Qty Reference Part Mfr MfrPartNum 23 4 R2,R8,R13, R16 0 ohm Venkel CR0603-16W000T 603 24 6 R3,R4,R5, R7,R9,R11 49.9 Venkel CR0603-16W49R9FT 603 26 1 R14 10 Venkel CR0603-16W10R0FT 603 27 2 R15,R20 10k Venkel CR603-16W1002FT 603 28 2 R17,R18 150 Venkel CR0603-16W1500FT 603 29 1 R19 R150x4 Panasonic EXB-38V151JV 31 1 U1 Si5317 Skyworks Solutions Si5317A-C-GM 32 1 U2 FAN1540B Fairchild FAN1540BPMX 33 1 X1 114.285 MHz TXC 7MA1400014 34 3 standoff SPC Tech 2397 35 3 spacer Richco NSS-4-4-01 4 2 C6,C8 10NF Venkel C0603X7R160103KNE 12 1 J3 Jmpr_2pin 22 1 R1 100 Venkel CR0603-16W1000FT NOPOP 603 25 3 R6,R10,R12 0 Venkel CR0603-16W000T NOPOP 603 30 2 TP1,TP2 test_points 14 1 J13 14_M_ Header 19 9 J18,J21,J22, J23,J25 Jmpr_1pin 10 BOM Digikey Y9151CTND Footprint 1206x4 QFN-36 FAN1540 BMPXCTND MLP6 xtal 3.2 x 2.5 NOPOP 603 NOPOP NOPOP 3M N2514-6002RB NOPOP MHC14KND NOPOP 14pinMdualHeader_p1pitch 1pin_p1pitch Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 0.1 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 4, 2021 Si5317-EVB 6. Layout Figure 5. Silkscreen Top Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 11 Rev. 0.1 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 4, 2021 Si5317-EVB Figure 6. Layer 1 12 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 0.1 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 4, 2021 Si5317-EVB Figure 7. Layer 2—Ground Plane Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 13 Rev. 0.1 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 4, 2021 Si5317-EVB Figure 8. Layer 3 14 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 0.1 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 4, 2021 Si5317-EVB Figure 9. Layer 4 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 15 Rev. 0.1 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 4, 2021 Si5317-EVB Figure 10. Layer 5, FILT_DUT_PWR 16 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 0.1 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 4, 2021 Si5317-EVB Figure 11. Layer 6, Bottom Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 17 Rev. 0.1 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 4, 2021 Si5317-EVB Figure 12. Bottom Silkscreen 18 Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com Rev. 0.1 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 4, 2021 Si5317-EVB 7. Factory Default Configuration J12 Pin Jumper J12.1 not used — J12.2 SFOUT0 H J12.3 SFOUT1 L J12.4 FRQSEL0 L J12.5 FRQSEL1 M J12.6 FRQSEL2 M J12.7 FRQSEL3 H J12.8 FRQTBL L J12.9 BWSEL0 M J12.10 BSWEL1 H J12.11 DBL2_BY L J12.12 not used — J12.13 RATE0 M J12.14 RATE1 M The above jumper settings result in the following: SFOUT = CMOS output 10.0 MHz input clock 10.0 MHz output clock BW =88 Hz RATE[1:0] = 114.285 MHz 3rd overtone crystal Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 19 Rev. 0.1 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • October 4, 2021 ClockBuilder Pro Customize Skyworks clock generators, jitter attenuators and network synchronizers with a single tool. With CBPro you can control evaluation boards, access documentation, request a custom part number, export for in-system programming and more! www.skyworksinc.com/CBPro Portfolio SW/HW Quality Support & Resources www.skyworksinc.com/ia/timing www.skyworksinc.com/CBPro www.skyworksinc.com/quality www.skyworksinc.com/support Copyright © 2021 Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. (“Skyworks”) products or services. These materials, including the information contained herein, are provided by Skyworks as a service to its customers and may be used for informational purposes only by the customer. Skyworks assumes no responsibility for errors or omissions in these materials or the information contained herein. Skyworks may change its documentation, products, services, specifications or product descriptions at any time, without notice. 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