Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
LMK04828BISQE/NOPB
Texas Instruments
IC JITTER CLEANER 64WQFN
1916 Pcs New Original In Stock
Jitter Cleaner IC 3.08GHz 1 64-WFQFN Exposed Pad
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (110 Ratings)
LMK04828BISQE/NOPB
Product Overview
1291855
DiGi Electronics Part Number
LMK04828BISQE/NOPB-DGManufacturer
Texas Instruments
LMK04828BISQE/NOPB
Description
IC JITTER CLEANER 64WQFNInventory
1916 Pcs New Original In Stock
Jitter Cleaner IC 3.08GHz 1 64-WFQFN Exposed Pad
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
100% ESD Anti-Static Packaging
Real-Time Tracking for Every Order
Secure & Flexible Payment
Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more
All payments encrypted for security
LMK04828BISQE/NOPB Technical Specifications
Category
Clock/Timing, Clock Generators, PLLs, Frequency Synthesizers
Packaging
Cut Tape (CT) & Digi-Reel®
Series
PLLatinum™
Product Status
Active
DiGi-Electronics Programmable
Not Verified
Type
Jitter Cleaner
PLL
Yes
Input
LVCMOS, LVDS, LVPECL
Output
HSDS, LCPECL, LVCMOS, LVDS, LVPECL
Number of Circuits
1
Ratio - Input:Output
3:15
Differential - Input:Output
Yes/Yes
Frequency - Max
3.08GHz
Divider/Multiplier
Yes/No
Voltage - Supply
3.15V ~ 3.45V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
64-WFQFN Exposed Pad
Supplier Device Package
64-WQFN (9x9)
Base Product Number
LMK04828
Datasheet & Documents
Manufacturer Product Page
LMK04828BISQE/NOPB Specifications
HTML Datasheet
LMK04828BISQE/NOPB-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
296-39038-2
296-39038-1
LMK04828BISQE/NOPB-DG
296-39038-6
Standard Package
250
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
The delivery was on time, and the customer service team was very helpful and courteous.
de desembre 02, 2025
The website loads very quickly, even when I have a slow internet connection.
de desembre 02, 2025
Support was timely, courteous, and highly effective.
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
Can the LMK04828BISQE/NOPB replace the LMK04821NKDT in a high-frequency clock distribution system without requiring major PCB layout changes?
The LMK04828BISQE/NOPB can functionally replace the LMK04821NKDT in many applications due to similar PLLatinum™ architecture and jitter cleaning capabilities, but critical differences exist. The LMK04828BISQE/NOPB supports up to 3.08GHz output frequency and offers more output channels (15 vs. 10), which may require rerouting of clock traces. Additionally, the 64-WQFN package (9x9mm) has a different pinout and thermal pad configuration than the LMK04821NKDT’s 48-WQFN, necessitating PCB layout modifications. Always verify power sequencing, input termination, and loop filter compatibility—especially if the original design relied on the LMK04821’s integrated VCO tuning range. A drop-in replacement is not guaranteed; re-evaluation of impedance matching and decoupling is recommended.
What are the key reliability risks when operating the LMK04828BISQE/NOPB near its maximum junction temperature in an enclosed industrial environment?
Operating the LMK04828BISQE/NOPB near its 85°C ambient limit in an enclosed system increases the risk of thermal-induced frequency drift and accelerated aging of the internal VCO. Although the device is rated for -40°C to 85°C, sustained operation at high temperature reduces long-term reliability and may degrade phase noise performance. The exposed pad must be properly soldered to a grounded thermal plane with adequate vias to dissipate heat. Without sufficient thermal management, localized hot spots can cause timing instability or premature failure. For industrial applications, consider derating the output drive strength and monitoring case temperature to ensure junction temperature stays below 105°C under worst-case conditions.
How does the LMK04828BISQE/NOPB compare to the LMK04826BISQ/NOPB when used for jitter cleaning in a 5G fronthaul timing chain?
While both the LMK04828BISQE/NOPB and LMK04826BISQ/NOPB are PLLatinum™ jitter cleaners with similar input/output capabilities, the LMK04828BISQE/NOPB offers superior performance for 5G fronthaul due to its higher maximum output frequency (3.08GHz vs. 2.5GHz) and enhanced phase noise characteristics above 1GHz. This makes it better suited for distributing low-jitter clocks to high-speed SerDes and RF transceivers. However, the LMK04826BISQ/NOPB may be preferable in cost-sensitive designs where lower frequency operation is sufficient. Additionally, the LMK04828BISQE/NOPB provides more output dividers and flexible clock routing, enabling cleaner clock domain isolation—critical in multi-band 5G systems. Always validate loop bandwidth settings to avoid reference spur degradation in dense RF environments.
What design precautions are necessary to prevent unintended oscillation when using the LMK04828BISQE/NOPB with long PCB traces on LVDS outputs?
When driving long PCB traces with the LMK04828BISQE/NOPB’s LVDS outputs, uncontrolled transmission line effects can cause signal reflections and unintended oscillation, especially above 1GHz. To mitigate this, implement controlled impedance routing (typically 100Ω differential), minimize stubs, and place termination resistors (100Ω) as close to the receiver as possible. Avoid routing clock traces parallel to high-speed data lines to reduce crosstalk. Additionally, ensure the output driver strength is appropriately configured via register settings—overdriving long traces increases EMI and power consumption. Use ground shielding and avoid splitting reference planes beneath clock traces. Simulation with IBIS or SPICE models is strongly advised for traces longer than 5 inches.
Is it safe to power down individual output banks of the LMK04828BISQE/NOPB while keeping the core PLL active, and what are the implications for system power sequencing?
Yes, the LMK04828BISQE/NOPB allows individual output banks to be powered down via register control while the core PLL remains active, enabling dynamic power management. However, improper sequencing can lead to latch-up or excessive current draw if output pins are driven externally while powered off. Always ensure that no external signals are applied to disabled outputs and follow the recommended power-up sequence: core supply (3.3V) before I/O banks. When disabling outputs, use the device’s soft-shutdown feature to avoid glitches. Additionally, monitor inrush current during repeated enable/disable cycles, as capacitive loading on outputs may cause transient spikes. This feature is useful for power-sensitive designs but requires firmware coordination to prevent timing disruptions in synchronous systems.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
LMK04828BISQE/NOPB CAD Models
Texas Instruments LMK04828BISQE/NOPB PCB symbols & footprints
productDetail
