550CK24M5760DG Silicon Labs, 550CK24M5760DG Datasheet

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550CK24M5760DG

Manufacturer Part Number
550CK24M5760DG
Description
VCXO Oscillators SNGLVCXO 6PIN 0.5ps RMS jitter
Manufacturer
Silicon Labs
Datasheet

Specifications of 550CK24M5760DG

Product Category
VCXO Oscillators
Rohs
yes
Package / Case
7 mm x 5 mm
Frequency
24.576 MHz
Frequency Stability
100 PPM
Supply Voltage
3.3 V
Termination Style
SMD/SMT
Dimensions
5 mm W x 7 mm L x 1.65 mm H
Minimum Operating Temperature
- 40 C
Maximum Operating Temperature
+ 85 C
Load Capacitance
15 pF
Mounting Style
Solder Pad
Product
VCXO
10 MH
V
Features
Applications
Description
The Si550 VCXO utilizes Silicon Laboratories’ advanced DSPLL
provide a low-jitter clock at high frequencies. The Si550 supports any
frequency from 10 to 945 MHz and select frequencies to 1417 MHz. Unlike
traditional VCXOs, where a different crystal is required for each output
frequency, the Si550 uses one fixed crystal to provide a wide range of output
frequencies. This IC-based approach allows the crystal resonator to provide
exceptional frequency stability and reliability. In addition, DSPLL clock
synthesis provides superior supply noise rejection, simplifying the task of
generating low-jitter clocks in noisy environments typically found in
communication systems. The Si550 IC-based VCXO is factory-configurable
for a wide variety of user specifications, including frequency, supply voltage,
output format, tuning slope, and temperature stability. Specific configurations
are factory programmed at time of shipment, thereby eliminating the long
lead times associated with custom oscillators.
Functional Block Diagram
Rev. 1.0 1/12
O L TAG E
Available with any frequency from
10 to 945 MHz and select
frequencies to 1.4 GHz
3rd generation DSPLL
superior jitter performance (0.5 ps)
3x better temperature stability than
SAW-based oscillators
Excellent PSRR performance
SONET/SDH
xDSL
10 GbE LAN/WAN
Vc
Z TO
OE
Frequency
Fixed
XO
- C
ADC
ONTR OLLED
1.4 G H
®
with
10 MHz–1.4 GHz
Clock Synthesis
Any-Frequency
DSPLL
®
Copyright © 2012 by Silicon Laboratories
Z
Low-jitter clock generation
Optical modules
Clock and data recovery
Internal fixed crystal frequency
ensures high reliability and low
aging
Available CMOS, LVPECL,
LVDS, and CML outputs
3.3, 2.5, and 1.8 V supply options
Industry-standard 5 x 7 mm
package and pinout
Pb-free/RoHS-compliant
C
GND
V
DD
RYSTAL
®
CLK+
CLK–
circuitry to
O
S C I L L A T O R
GND
Ordering Information:
OE
V
C
Pin Assignments:
See page 9.
See page 8.
1
2
3
Si5602
(Top View)
(VCXO)
R
Si550
E V I S I O N
6
5
4
V
CLK–
CLK+
DD
Si550
D

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550CK24M5760DG Summary of contents

Page 1

TAG E ONTR OLLED Features  Available with any frequency from 10 to 945 MHz and select frequencies to 1.4 GHz ®  3rd generation DSPLL with superior ...

Page 2

Si 550 1. Electrical Specifications Table 1. Recommended Operating Conditions Parameter 1 Supply Voltage Supply Current 2 Output Enable (OE) Operating Temperature Range Notes: 1. Selectable parameter specified by part number. See 3. "Ordering Information" on page 9 for further ...

Page 3

Table 3. CLK± Output Frequency Characteristics Parameter Symbol 1,2,3 f Nominal Frequency O 1,4 Temperature Stability 1,4 Absolute Pull Range APR Aging 5 Power up Time t OSC Notes: 1. See Section 3. "Ordering Information" on page 9 for further ...

Page 4

Si 550 Table 5. CLK± Output Phase Jitter Parameter Symbol 1,2,3 Phase Jitter (RMS) for F > 500 MHz OUT Notes: 1. Refer to AN255, AN256, and AN266 for further information. 2. For best jitter and phase noise performance, always ...

Page 5

Table 5. CLK± Output Phase Jitter (Continued) Parameter Symbol 1,2,3,4,5 Phase Jitter (RMS) for F of 125 to 500 MHz OUT Notes: 1. Refer to AN255, AN256, and AN266 for further information. 2. For best jitter and phase noise performance, ...

Page 6

Si 550 Table 5. CLK± Output Phase Jitter (Continued) Parameter Symbol 1,2,5 Phase Jitter (RMS) for 160 MHz OUT CMOS Output Only Notes: 1. Refer to AN255, AN256, and AN266 for further information. 2. For best jitter ...

Page 7

Table 7. CLK± Output Phase Noise (Typical) Offset Frequency 74.25 MHz 90 ppm/V LVPECL 100 Hz –87 1 kHz –114 10 kHz –132 100 kHz –142 1 MHz –148 10 MHz –150 100 MHz n/a Table 8. Environmental Compliance The ...

Page 8

Si 550 2. Pin Descriptions Pin Name OE* 3 GND 4 CLK+ CLK– 5 (N/A for CMOS *Note: OE includes 17 k pullup resistor to V ordering options. 8 (Top View ...

Page 9

... Specific device configurations are programmed into the Si550 at time of shipment. Configurations are DD specified using the Part Number Configuration chart shown below. Silicon Labs provides a web browser-based part number configuration utility to simplify this process. Refer to and for further ordering instructions. The Si550 VCXO series is available in an industry-standard, RoHS compliant, lead-free, 6-pad package ...

Page 10

Si 550 4. Package Outline and Suggested Pad Layout Figure 2 illustrates the package details for the Si550. Table 11 lists the values for the dimensions shown in the illustration. Table 11. Package Diagram Dimensions (mm) Dimension ...

Page 11

PCB Land Pattern Figure 3 illustrates the 6-pin PCB land pattern for the Si550. Table 12 lists the values for the dimensions shown in the illustration. Table 12. PCB Land Pattern Dimensions (mm) Dimension ...

Page 12

Si 550 6. Top Marking 6.1. Si550 Top Marking 6.2. Top Marking Explanation Line Position 1 1–10 “SiLabs”+ Part Family Number, 550 (First 3 characters in part number) 2 1–10 Si550: Option1+Option2+Freq(6007)+Temp 3 Trace Code Pin 1 orientation mark (dot) ...

Page 13

OCUMENT HANGE IST Revision 0.6 to Revision 1.0  Updated Table 4 on page 3. Updated 2.5 V/3.3 V and 1.8 V CML output level  specifications.  Updated Table 5 on page 4. Removed the words ...

Page 14

... Should Buyer purchase or use Silicon Laboratories products for any such unintended or unauthorized ap- plication, Buyer shall indemnify and hold Silicon Laboratories harmless against all claims and damages. Silicon Laboratories, Silicon Labs, and DSPLL are trademarks of Silicon Laboratories Inc. Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders. ...

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