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540CAD25M0000ABG

Description
CMOS Output Clock Oscillator,
CategoryPassive components    oscillator   
File Size1MB,20 Pages
ManufacturerSilicon Laboratories Inc
Download Datasheet Parametric View All

540CAD25M0000ABG Overview

CMOS Output Clock Oscillator,

540CAD25M0000ABG Parametric

Parameter NameAttribute value
Objectid7203488752
Reach Compliance Codeunknown
Other featuresTRI-STATE; ENABLE/DISABLE FUNCTION; TAPE
maximum descent time1.5 ns
Frequency Adjustment - MechanicalNO
frequency stability20%
Installation featuresSURFACE MOUNT
Number of terminals6
Nominal operating frequency25 MHz
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Oscillator typeCMOS
Output load5 pF
physical size7.0mm x 5.0mm x 1.43mm
longest rise time1.5 ns
Maximum supply voltage3.465 V
Minimum supply voltage3.135 V
Nominal supply voltage3.3 V
surface mountYES
maximum symmetry55/45 %
Ultra Series
Crystal Oscillator
Si540 Data Sheet
Ultra Low Jitter Any-Frequency XO (125 fs), 0.2 to 1500 MHz
KEY FEATURES
The Si540 Ultra Series
oscillator utilizes Silicon Laboratories’ advanced 4
th
generation DSPLL
®
technology to provide an ultra-low jitter, low phase noise
clock at any output frequency. The device is factory-programmed to any frequency
from 0.2 to 1500 MHz with <1 ppb resolution and maintains exceptionally low
jitter for both integer and fractional frequencies across its operating range. The
Si540 offers excellent reliability and frequency stability as well as guaranteed
aging performance. On-chip power supply filtering provides industry-leading power
supply noise rejection, simplifying the task of generating low jitter clocks in noisy
systems that use switched-mode power supplies. Offered in industry-standard
footprints, the Si540 has a dramatically simplified supply chain that enables Silicon
Labs to ship custom frequency samples 1-2 weeks after receipt of order. Unlike
a traditional XO, where a different crystal is required for each output frequency,
the Si540 uses one simple crystal and a DSPLL IC-based approach to provide
the desired output frequency. This process also guarantees 100% electrical testing
of every device. The Si540 is factory-configurable for a wide variety of user specifi-
cations, including frequency, output format, and OE pin location/polarity. Specific
configurations are factory-programmed at time of shipment, eliminating the long
lead times associated with custom oscillators.
Pin Assignments
• Available with any frequency from 0.2 MHz to
1500 MHz
• Very low jitter: 125 fs Typ RMS
(12 kHz – 20 MHz)
• Excellent PSNR and supply noise immunity:
–80 dBc Typ
• 7 ppm stability option (-40 to 85C)
• 3.3 V, 2.5 V and 1.8 V V
DD
supply operation
from the same part number
• LVPECL, LVDS, CML, HCSL, CMOS, and
Dual CMOS output options
• 2.5×3.2, 3.2×5, 5x7 mm package options
• Any custom frequency available with 1-2
week lead times
APPLICATIONS
• 100G/200G/400G OTN, coherent optics
• 10G/40G/100G optical ethernet
• 3G-SDI/12G-SDI/24G-SDI broadcast video
VDD
CLK-
CLK+
OE/NC
1
2
3
(Top View)
6
5
4
• Servers, switches, storage, NICs, search
acceleration
• Test and measurement
• Clock and data recovery
• FPGA/ASIC clocking
NC/OE
GND
Pin #
1, 2
3
4
5
6
Descriptions
Selectable via ordering option
OE = Output enable; NC = No connect
GND = Ground
CLK+ = Clock output
CLK- = Complementary clock output. Not used
for CMOS.
VDD = Power supply
NVM
Control
Fixed
Frequency
Crystal
Frequency
Flexible
DSPLL
DCO
Low
Noise
Driver
OSC
Digital
Phase
Detector
Phase Error
Cancellation
Phase Error
Fractional
Divider
Digital
Loop
Filter
Flexible
Formats,
1.8V – 3.3V
Operation
Power Supply Regulation
Output Enable
(Pin Control)
Built-in Power Supply
Noise Rejection
1
Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com
Rev. 1.2 • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • July 26, 2021
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