Si535x-24QSOP-EVB Silicon Labs, Si535x-24QSOP-EVB Datasheet

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Si535x-24QSOP-EVB

Manufacturer Part Number
Si535x-24QSOP-EVB
Description
Clock & Timer Development Tools Si5350/51 Eval Board 24-QSOP 8-output
Manufacturer
Silicon Labs
Type
Clock Generatorsr
Datasheet

Specifications of Si535x-24QSOP-EVB

Product
Evaluation Boards
Tool Is For Evaluation Of
Si5350, Si5351
Frequency
125 MHz
Operating Supply Voltage
2.5 V/3.3 V
Description/function
Used for evaluating the Si5350/51 any-frequency less than 125 MHz CMOS clock generator plus VCXO
Interface Type
I2C, USB
S i 5 3 5 0 / 5 1 2 4 - Q S O P E
Description
The Si535x-24QSOP-EVB is used for evaluating the
Si5350/51 any-frequency <125 MHz CMOS clock
generator + VCXO.
Functional Block Diagram
Rev. 0.2 10/10
Connector
USB
CLKIN
XTAL
I2C
Copyright © 2012 by Silicon Laboratories
MCU
S i 5 3 5 x - 2 4 Q S O P - E V B
Si5350/51
V A L U A T I O N
Vreg*
VDD
Features
Switch
Status
Reset
LEDs
Jumper Selectable Vreg
Fully-powered from a single USB port
Onboard 27 MHz crystal for asynchronous operation
SMA and test point hook for interfacing to an
external clock reference
Jumper-selectable VDD and VDDOx allows device
to operate at 2.5 or 3.3 V
Voltage supply jumpers provide easy access for use
with external supplies
(2.5V / 3.3V)
VDDO0
VDDO1
VDDO2
VDDO3
CLK0
CLK1
CLK3
CLK5
CLK7
CLK2
CLK4
CLK6
B
O A R D
VReg
VReg
VReg
Vreg*
U
S E R
Si535x-24QSOP-EVB
S
G
UIDE

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Si535x-24QSOP-EVB Summary of contents

Page 1

... Description The Si535x-24QSOP-EVB is used for evaluating the Si5350/51 any-frequency <125 MHz CMOS clock generator + VCXO. Functional Block Diagram USB Connector Rev. 0.2 10/ Features  ...

Page 2

... Si535x-24QSOP-EVB 1. Functional Block Diagram Figure 1 highlights the main features of the EVB. The onboard MCU is responsible for programming the Si535x timing IC, measuring the device's current consumption reported in ClockBuilder™ Desktop, managing power, and controlling status LEDs. VDD and VDDO jumpers allow the option to choose between 2.5 V and 3 power the device with external supplies (see “ ...

Page 3

... CMOS clock source both modes if both PLLs in the device are utilized. An SMA connector is provided to interface an external clock source to CLKIN. Additionally, CLKIN can be applied using the test hooks TP39/TP49. Si535x-24QSOP-EVB 2 C bus from the MCU. Removing the jumper breaks the 2 C signal to the device ...

Page 4

... Si535x-24QSOP-EVB 5. Clock Outputs Outputs must be measured with a high-impedance scope probe. A ground test point is provided 0.3" away from each clock output for ideal measurement. Most scope probes have a ground clip attached to the probe with 3–6" length of cable. Use of these ground clips is not recommended since the ground reference is electrically far from the probe tip, especially for frequencies greater than a few MHz ...

Page 5

... Close all the programs and help files before running the uninstaller to ensure complete removal of the software. To uninstall the software, use the Add and Remove Programs utility in the Control Panel or click Start  Programs  Silicon Laboratories  ClockBuilder Desktop  Uninstaller Note: The driver software must be uninstalled separately. Si535x-24QSOP-EVB Preliminary Rev. 0.2 5 ...

Page 6

... Si535x-24QSOP-EVB 7. Si535x-24QSOP-EVB Schematics VDDOD 22 VDDOC 2 VDDOB 16 VDDOA 18 VDD 4 6 GND 19 GND 17 GND 8 GND 5 Preliminary Rev. 0.2 ...

Page 7

... GND 2 VBUS 12 REGIN 11 GND 7 VDD Preliminary Rev. 0.2 Si535x-24QSOP-EVB VDDOD 22 GND 19 VDDOC 2 GND 17 VDDOB 16 GND 8 VDDOA 18 GND 5 VDD 4 VDD 13 GND 14 VDD 13 GND 14 7 ...

Page 8

... Si535x-24QSOP-EVB 3.3V 2.5V 3.3V 2.5V 3.3V 2.5V 8 3.3V 2.5V 3.3V 2.5V Preliminary Rev. 0.2 ...

Page 9

... JP1,JP2,JP3,JP4 JP5,JP6 J11 16 1 J17 17 1 J18 18 1 J19 J20,J21,J22 J23,J24 Si535x-24QSOP-EVB Table 1. Si535x Bill of Materials Value Manufacturer 0.1 µF Venkel 1 nF Venkel 0.1 µF Venkel 4.7 µF Venkel 1 µF Venkel 10 µF Kemet 0.01 µF Venkel 0.1 µF Venkel 0.1 µF Venkel RED ...

Page 10

... Si535x-24QSOP-EVB Table 1. Si535x Bill of Materials (Continued) Item Qty Reference R3,R4,R5,R8,R9 R23,R24,R52,R53, R56,R59 21 4 R12,R13,R39,R40 22 2 R64,R66 R25,R26,R29,R30 R31 R36,R37,R38,R42 R44,R49,R50,R55 25 1 R41 26 3 R43,R46,R47 27 4 R45,R48,R60,R61 R51,R54,R57,R58 R62,R63,R65,R68 29 1 R67 30 3 R69,R70,R71 R72,R73,R74,R90 R91 R75,R76,R78,R92 R95,R97,R106 ...

Page 11

... U6, U9,U10,U11,U12 U13,U14,U15 Si535x-24QSOP-EVB Value Manufacturer RED Kobiconn WHITE Kobiconn RED Kobiconn 1-pin header PCA9517D NXP ADG736BRMZ ADI C8051F340 SiLabs 2.5V Analog Devices ADG728 Analog Devices 24-Pin QSOP Socket Wells-CTI TPS76201 TI 27 MHz TXC Preliminary Rev ...

Page 12

... Si535x-24QSOP-EVB 9. Approved Crystals The crystals listed in Table 2 have been approved for use with the Si5350/51 family of devices. Note that this device has on-chip load capacitors that can be configured for and 10 pF. For crystals with any other rated load capacitance, external capacitors may be required to achieve the best absolute accuracy. ...

Page 13

... OCUMENT HANGE IST Revision 0.1 to Revision 0.2  Updated Table 2, “Approved Crystals,” on page 12. Si535x-24QSOP-EVB Preliminary Rev. 0.2 13 ...

Page 14

... Si535x-24QSOP-EVB C I ONTACT NFORMATION Silicon Laboratories Inc. 400 West Cesar Chavez Austin, TX 78701 Tel: 1+(512) 416-8500 Fax: 1+(512) 416-9669 Toll Free: 1+(877) 444-3032 Please visit the Silicon Labs Technical Support web page: https://www.silabs.com/support/pages/contacttechnicalsupport.aspx and register to submit a technical support request. The information in this document is believed to be accurate in all respects at the time of publication but is subject to change without notice. ...

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