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545BAA000292BBGR

Description
LVDS Output Clock Oscillator,
CategoryPassive components    oscillator   
File Size1MB,16 Pages
ManufacturerSilicon Laboratories Inc
Environmental Compliance
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545BAA000292BBGR Overview

LVDS Output Clock Oscillator,

545BAA000292BBGR Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerSilicon Laboratories Inc
Reach Compliance Codeunknown
JESD-609 codee4
Oscillator typeLVDS
Terminal surfaceGold (Au) - with Nickel (Ni) barrier
Ultra Series
Crystal Oscillator
Si545 Data Sheet
Ultra Low Jitter Any-Frequency XO (80 fs), 0.2 to 1500 MHz
The Si545 Ultra Series
oscillator utilizes Silicon Laboratories’ advanced 4
th
genera-
tion 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 inte-
ger and fractional frequencies across its operating range. The Si545 offers excellent
reliability and frequency stability as well as guaranteed aging performance. On-chip
power supply filtering provides industry-leading power supply noise rejection, simplify-
ing the task of generating low jitter clocks in noisy systems that use switched-mode
power supplies. Offered in industry-standard 3.2x5 mm and 5x7 mm footprints, the
Si545 has a dramatically simplified supply chain that enables Silicon Labs to ship cus-
tom frequency samples 1-2 weeks after receipt of order. Unlike a traditional XO,
where a different crystal is required for each output frequency, the Si545 uses one
simple crystal and a DSPLL IC-based approach to provide the desired output frequen-
cy. This process also guarantees 100% electrical testing of every device. The Si545 is
factory-configurable for a wide variety of user specifications, including frequency, out-
put format, and OE pin location/polarity. Specific configurations are factory-program-
med at time of shipment, eliminating the long lead times associated with custom oscil-
lators.
Pin Assignments
OE/NC
NC/OE
GND
VDD
CLK-
CLK+
KEY FEATURES
• Available with any frequency from 0.2
MHz to 1500 MHz
• Ultra low jitter: 80 fs Typ RMS
(12 kHz – 20 MHz)
• Excellent PSRR and supply noise
immunity: –80 dBc Typ
• 7 ppm stability option (–40 to 85 °C)
• 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
• 3.2×5, 5x7 mm package footprints
• Samples 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
• Datacenter
• Test and measurement
• Clock and data recovery
• FPGA/ASIC clocking
1
2
3
(Top View)
6
5
4
Pin #
1, 2
3
4
5
6
Descriptions
Selectable via ordering option
OE = Output enable; NC = No connect
GND = Ground
CLK+ = Clock output
NVM
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
CLK- = Complementary clock output. Not used for CMOS.
VDD = Power supply
Control
Power Supply Regulation
Output Enable
(Pin Control)
Built-in Power Supply
Noise Rejection
silabs.com
| Building a more connected world.
This information applies to a product under development. Its characteristics and specifications are subject to change without notice.
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