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LMK5C33216

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Ultra-low jitter clock synchronizer with JESD204B for wireless communications with BAW

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Data sheet
Ultra-low jitter clock synchronizer with JESD204B for wireless communications with BAW

LMK5C33216

ACTIVE
Data sheet Order now

Product details

Function Clock network synchronizer Number of outputs 16 RMS jitter (fs) 50 Output frequency (Min) (MHz) 1.00E-06 Output frequency (Max) (MHz) 3000 Input type LVCMOS, LVDS, LVPECL, HCSL, XTAL Output type LVDS, CML, LVPECL, LVCMOS Supply voltage (Min) (V) 3.135 Supply voltage (Max) (V) 3.465 Features JESD204B Operating temperature range (C) -40 to 85
Function Clock network synchronizer Number of outputs 16 RMS jitter (fs) 50 Output frequency (Min) (MHz) 1.00E-06 Output frequency (Max) (MHz) 3000 Input type LVCMOS, LVDS, LVPECL, HCSL, XTAL Output type LVDS, CML, LVPECL, LVCMOS Supply voltage (Min) (V) 3.135 Supply voltage (Max) (V) 3.465 Features JESD204B Operating temperature range (C) -40 to 85
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VQFN (RGC) 64 81 mm² 9 x 9
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  • BAW APLL with 40 fs RMS jitter at 491.52 MHz
  • Three high-performance digital phase locked loops (DPLLs) with paired analog phase locked loops (APLLs)
    • Programmable DPLL loop bandwidth from 0.01 Hz to 4 kHz
    • -116 dBc/Hz at 100 Hz offset at 122.88 MHz DPLL TDC noise with ≥ 20 MHz TDC rate
  • Two differential or single-ended DPLL inputs
    • 1 Hz to 800 MHz differential
    • Hitless switching with phase cancellation and/or phase slew control
    • Priority based reference selection
  • 16 outputs with programmable format
    • 1000 MHz LVPECL/LVDS/HSDS
    • 3000 MHz CML on OUT4 and OUT6
    • 200 MHz LVCMOS on OUT0 and OUT1
  • Single 3.3-V supply with internal LDOs
  • I2C or 3-wire/4-wire SPI interface
  • Requires single XO/TCXO/OCXO
  • 40-bit DPLL or APLL DCO, < 1 ppt
  • Holdover with phase build out upon exit
  • Zero delay mode with programmable delay
  • User programmable EEPROM
  • Supports 105 °C PCB temperature
  • BAW APLL with 40 fs RMS jitter at 491.52 MHz
  • Three high-performance digital phase locked loops (DPLLs) with paired analog phase locked loops (APLLs)
    • Programmable DPLL loop bandwidth from 0.01 Hz to 4 kHz
    • -116 dBc/Hz at 100 Hz offset at 122.88 MHz DPLL TDC noise with ≥ 20 MHz TDC rate
  • Two differential or single-ended DPLL inputs
    • 1 Hz to 800 MHz differential
    • Hitless switching with phase cancellation and/or phase slew control
    • Priority based reference selection
  • 16 outputs with programmable format
    • 1000 MHz LVPECL/LVDS/HSDS
    • 3000 MHz CML on OUT4 and OUT6
    • 200 MHz LVCMOS on OUT0 and OUT1
  • Single 3.3-V supply with internal LDOs
  • I2C or 3-wire/4-wire SPI interface
  • Requires single XO/TCXO/OCXO
  • 40-bit DPLL or APLL DCO, < 1 ppt
  • Holdover with phase build out upon exit
  • Zero delay mode with programmable delay
  • User programmable EEPROM
  • Supports 105 °C PCB temperature
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The LMK5C33216 is a high-performance network clock generator, synchronizer, and jitter attenuator with advanced reference clock selection and hitless switching capabilities designed to meet the stringent requirements of communications infrastructure applications.

The LMK5C33216 integrates 3 DPLLs with programmable loop bandwidth and no external loop filters, maximizing flexibility and ease of use. Each DPLL phase locks a paired APLL to a DPLL reference input. The APLL reference determines the long term frequency accuracy.

The 3 APLLs may operate independent of their paired DPLL and be cascaded from another APLL to provide programmable frequency translation. APLL3 features ultra high performance PLL with TI’s proprietary Bulk Acoustic Wave (BAW) VCBO technology and can generate output clocks with 40-fs RMS jitter independent of the jitter and frequency of the XO and reference inputs. APLL1 and APLL2 provide options for additional frequency domains.

The device is fully programmable through I2C or SPI interface. The onboard EEPROM can be used to customize system start-up clocks.

The LMK5C33216 is a high-performance network clock generator, synchronizer, and jitter attenuator with advanced reference clock selection and hitless switching capabilities designed to meet the stringent requirements of communications infrastructure applications.

The LMK5C33216 integrates 3 DPLLs with programmable loop bandwidth and no external loop filters, maximizing flexibility and ease of use. Each DPLL phase locks a paired APLL to a DPLL reference input. The APLL reference determines the long term frequency accuracy.

The 3 APLLs may operate independent of their paired DPLL and be cascaded from another APLL to provide programmable frequency translation. APLL3 features ultra high performance PLL with TI’s proprietary Bulk Acoustic Wave (BAW) VCBO technology and can generate output clocks with 40-fs RMS jitter independent of the jitter and frequency of the XO and reference inputs. APLL1 and APLL2 provide options for additional frequency domains.

The device is fully programmable through I2C or SPI interface. The onboard EEPROM can be used to customize system start-up clocks.

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Technical documentation

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Type Title Date
* Data sheet LMK5C33216 Ultra-Low Jitter Clock Synchronizer with JESD204B for Wireless Communications with BAW datasheet (Rev. B) 10 Mar 2021
User guide LMK5C33216EVM User's Guide (Rev. A) 15 Feb 2021
Application note ITU-T G.8262 Compliance Test Results for the LMK5C33216 23 Dec 2020
User guide LMK5C33216 Programming Guide 18 Dec 2020

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

LMK5C33216EVM — LMK5C33216 clock synchronizer DPLL 2 input 16 outputs evaluation module

The LMK5C33216EVM is an evaluation module (EVM) for the LMK5C33216 network clock generator and synchronizer. The EVM can be used for device evaluation, compliance testing, and system prototyping.  The LMK5C33216 integrates three Analog PLLs (APLL) and three Digital PLLs (DPLL) with (...)
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Support software

TICS Pro Software v1.7.2 (Rev. AL)

SNAC072AL.ZIP (61999 KB)
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Simulation model

LMK5C33216 IBIS model

SNAM241.ZIP (206 KB) - IBIS Model
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Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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Design tool

CLOCK-TREE-ARCHITECT — Clock tree architect programming software

Clock tree architect is a clock tree synthesis tool that streamlines your design process by generating clock tree solutions based on your system requirements. The tool pulls data from an extensive database of clocking products to generate a system-level multi-chip clocking solution.
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