LMK04133SQX/NOPB Texas Instruments Integrated Circuit (Quad Flat No-Lead) In Stock
LMK04133SQX/NOPB is a 1.08 GHz dual-channel clock jitter cleaner and synthesizer by Texas Instruments for SDH and SONET applications. Key specs: up to 1.08 GHz output, 2 output channels, 48-pin WFQFN package. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat No-Lead
- Pin Count
- 49
- Lifecycle
- ACTIVE
- Datasheet
- LMK04133SQX/NOPB Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $6.2700(MOQ 2500)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LMK04133SQX/NOPB?
- Dual-channel clock synthesis and jitter cleaning up to 1.08 GHz, meeting stringent phase noise requirements for SDH/SONET line-card and backplane timing applications
- Integrated PLL with low-jitter VCXO interface provides wander filtering and frequency synthesis for telecom equipment synchronization chains
- 48-pin WFQFN exposed-pad package reduces thermal resistance and PCB footprint in high-density line-card and switch fabric designs
What is LMK04133SQX/NOPB used for?
The LMK04133SQX/NOPB is designed for telecom and datacom synchronization applications including SDH/SONET line cards, OTN transponders, and network switch fabric timing where low-phase-noise clock distribution up to 1.08 GHz is critical. Its dual-output architecture enables simultaneous distribution of reference and recovered clocks to multiple ICs on a line card, reducing clock tree complexity. The device is also used in test and measurement equipment and radio access network (RAN) base station timing modules requiring ITU-T G.813 or Stratum-3 compliant clock outputs.
What are the specifications of LMK04133SQX/NOPB?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Applications | SDH; SONET |
| JESD-30 Code | S-PQCC-N48 |
| JESD-609 Code | e3 |
| Number of Channels | 2 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC48,.28SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Telecom IC Type | ATM/SONET/SDH SUPPORT CIRCUIT |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
Where can I find the LMK04133SQX/NOPB datasheet?
LMK04133SQX/NOPB Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LMK04133SQX/NOPB?
Compatible alternatives and drop-in replacements for LMK04133SQX/NOPB:
Frequently Asked Questions
What is the maximum output clock frequency of the LMK04133SQX/NOPB and which telecom standards does it support?
The LMK04133SQX/NOPB supports clock output frequencies up to 1.08 GHz and is specifically designed for SDH and SONET synchronization, meeting the strict jitter and wander requirements of ITU-T G.813 and Bellcore GR-253 timing specifications used in carrier-grade telecom equipment.
How many independent clock output channels does the LMK04133SQX/NOPB provide for multi-device distribution?
The LMK04133SQX/NOPB provides 2 independent clock output channels, allowing simultaneous distribution of two different clock frequencies or phases to separate ICs such as FPGAs, serializers, and framers on a telecom line card without requiring an external clock buffer.
In which package does the LMK04133SQX/NOPB come and how does the exposed pad affect thermal performance?
The LMK04133SQX/NOPB is housed in a 48-pin WFQFN package with an exposed thermal pad that reduces junction-to-board thermal resistance. This construction improves heat dissipation in high-speed clock synthesizer applications on densely populated telecom line cards operating at elevated ambient temperatures.
When would an LMK04133SQX/NOPB be chosen over a simpler single-PLL clock generator for a SONET OC-192 design?
For SONET OC-192 line rates requiring 9.953 GHz derived clocks, the LMK04133SQX/NOPB jitter-cleaning PLL provides the sub-1 ps RMS jitter floor needed to meet SDH/SONET phase noise masks. A simpler single-PLL part without wander filtering would not meet ITU-T G.813 compliant jitter attenuation requirements at OC-192 data rates.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 2500+ | $6.2700 | $15675.00 |
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