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SI5350A-A-GTR

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P22
Rev. 0.9 5/11 Copyright © 2011 by Silicon Laboratories Si5350A
This information applies to a product under development. Its characteristics and specifications are subject to change without notice.
Si5350A
FACTORY-PROGRAMMABLE ANY-FREQUENCY CMOS
C
LOCK GENERATOR
Features
Applications
Description
The Si5350A is a user-definable custom clock generator that is ideally suited for
replacing crystals and crystal oscillators in cost-sensitive applications. Based on a
PLL + high resolution fractional divider MultiSynth
TM
architecture, the Si5350A can
generate any frequency up to 160 MHz on each of its outputs with 0 ppm error.
Spread spectrum is selectable (on/off) on any of the outputs. Custom pin-controlled
Si5350A devices can be requested using the ClockBuilder web-based part number
utility (www.silabs.com/ClockBuilder).
Functional Block Diagram
Generates up to 8 non-integer-related
frequencies from 8 kHz to 160 MHz
Exact frequency synthesis at each
output (0 ppm error)
Glitchless frequency changes
Low output period jitter: 100 ps pp
Configurable Spread Spectrum
selectable at each output
User-configurable control pins:
Output Enable (OEB_0/1/2)
Power Down (PDN)
Frequency Select (FS_0/1)
Spread Spectrum Enable (SSEN)
Supports static phase offset
Rise/fall time control
Operates from a low-cost, fixed
frequency crystal: 25 or 27 MHz
Separate voltage supply pins:
Core VDD: 2.5 V or 3.3 V
Output VDDO: 2.5 V or 3.3 V
Excellent PSRR eliminates external
power supply filtering
Very low power consumption
(<40 mA)
Available in 3 packages types:
10-MSOP: 3 outputs
24-QSOP: 8 outputs
20-QFN (4x4 mm): 8 outputs
PCIE Gen 1 compliant
Supports HCSL jitter compatible
swing
HDTV, DVD/Blu-ray, set-top box
Audio/video equipment, gaming
Printers, scanners, projectors
Residential gateways
Networking/communication
Servers, storage
XO replacement
Si5350A
CLK0
CLK1
CLK2
CLK3
CLK4
CLK5
CLK6
CLK7
P0
P1
P2
P3
P4
Control
Logic
Multi
Synth
0
Multi
Synth
1
Multi
Synth
2
Multi
Synth
3
Multi
Synth
4
Multi
Synth
5
Multi
Synth
6
Multi
Synth
7
20-QFN, 24-QSOP
OSC
XA
XB
PLLA
PLLB
Si5350A
CLK0
CLK1
CLK2
P0
P1
Control
Logic
Multi
Synth
0
Multi
Synth
1
Multi
Synth
2
10-MSOP
OSC
XA
XB
PLLA
PLLB
Ordering Information:
See page 16
20-QFN
24-QSOP
10-MSOP
Si5350A
2 Rev. 0.9
Si5350A
Rev. 0.9 3
TABLE OF CONTENTS
Section Page
1. Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
2. Typical Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
2.1. Si5350A Replaces Multiple Clocks and XOs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
2.2. Replacing a Crystal with a Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
2.3. HCSL Compatible Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
3. Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
4. Configuring the Si5350A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
4.1. Crystal Inputs (XA, XB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
4.2. Output Clocks (CLK0–CLK7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
4.3. Programmable Control Pins (P0–P4) Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
4.4. Design Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
5. Pin Descriptions (20-Pin QFN, 24-Pin QSOP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
6. Pin Descriptions (10-Pin MSOP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
7. Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
8. Package Outline (24-Pin QSOP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
9. Package Outline (20-Pin QFN) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
10. Package Outline (10-Pin MSOP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Document Change List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Contact Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P22

SI5350A-A-GTR

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Buy SI5350A-A-GTR
Manufacturer:
Silicon Labs
Description:
IC CLK GEN PLL BLANK CUST 10MSOP
Lifecycle:
New from this manufacturer.
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