SI5386-E datasheet(1/52 Pages) SILABS

Part #	SI5386-E

Description	12-channel, Any Frequency, Wireless Jitter Attenuating Clock

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Manufacturer	SILABS [Silicon Laboratories]

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Si5386 Rev E Data Sheet

12-channel, Any Frequency, Wireless Jitter Attenuating Clock

The Si5386 is a high performance, integer and fractional clock generator for wireless

applications which demand the highest level of integration and phase noise perform-

ance. Based on Silicon Laboratories’ 4th generation DSPLL technology, the Si5386

combines frequency synthesis and jitter attenuation in a highly integrated digital sol-

ution that eliminates the need for external VCXO and loop filter components. A fixed-

frequency crystal that provides frequency stability for free-run and holdover modes is

integrated within the package saving valuable PCB space. This all-digital solution

provides superior performance that is highly immune to external board disturbances

such as power supply noise.

Modern C-RAN remote radio heads and fixed wireless systems require a diverse set

of clocks such as ADC/DAC, RF LOs, eCPRI/CPRI, and Ethernet clocks. The

Si5386 architecture is designed to deliver high-performance JESD204B DCLK and

SYSREF clock pairs and flexible any-rate clocks for non-LTE clocks such as Ether-

net and system reference clocks all from a single IC.

Applications:

• Cloud Radio Access Network RRHs

• Small cells

• Fixed wireless

• Wireless base stations

• Active antenna systems

• Distributed antenna systems

KEY FEATURES

• Flexible timing in a single IC

• Generates any combination of output

frequencies from any input frequency

• Input frequency range:

• Differential: 7.68 MHz to 750 MHz

• LVCMOS: 7.68 MHz to 250 MHz

• Output frequency range (Integer):

• Differential: up to 3 GHz

• Output frequency range (fractional):

• Differential: up to 735 MHz

• LVCMOS: up to 250 MHz

• Ultra-low jitter:

• 80 fs typ (12 kHz–20 MHz)

IN_SEL

IN0

IN3/FB_IN

÷INT

DSPLL

RSTb

PDNb

OEb

SYNCb

SDA/SDIO

A1/SDO

SCLK

A0/CSb

I2C_SEL

SPI/

I2C

LOLb

Status

Monitors

INTRb

OSC

Integrated Reference

OUT0

÷INT

0

OUT1

÷INT

OUT2

÷INT

OUT0A

÷INT

NVM

Multi

Synth

Multi

Synth

Multi

Synth

OUT4

÷INT

0

OUT5

÷INT

OUT6

÷INT

OUT3

÷INT

OUT8

÷INT

0

OUT9

÷INT

OUT9A

÷INT

OUT7

÷INT

IN1

÷INT

IN2

÷INT

Multi

Synth

Multi

Synth

silabs.com | Building a more connected world.

Rev. 0.9

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