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LMH0303SQ/NOPB
Texas Instruments
IC VIDEO DRIVER 16WQFN
4051 Pcs New Original In Stock
Video Driver IC Serial DVB-ASI, SMPTE 16-WQFN (4x4) Package
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5.0 / 5.0
- (96 Ratings)
LMH0303SQ/NOPB
Product Overview
1323183
DiGi Electronics Part Number
LMH0303SQ/NOPB-DGManufacturer
Texas Instruments
LMH0303SQ/NOPB
Description
IC VIDEO DRIVER 16WQFNInventory
4051 Pcs New Original In Stock
Video Driver IC Serial DVB-ASI, SMPTE 16-WQFN (4x4) Package
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
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LMH0303SQ/NOPB Technical Specifications
Category
Linear, Video Processing
Packaging
Cut Tape (CT) & Digi-Reel®
Series
-
Product Status
Active
Function
Driver
Applications
Professional Video
Standards
DVB-ASI, SMPTE
Control Interface
Serial
Voltage - Supply
3.13V ~ 3.46V
Mounting Type
Surface Mount
Package / Case
16-WQFN Exposed Pad
Supplier Device Package
16-WQFN (4x4)
Base Product Number
LMH0303
Datasheet & Documents
HTML Datasheet
LMH0303SQ/NOPB-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
5A991B1
HTSUS
8542.39.0001
Additional Information
Other Names
LMH0303SQ-DG
LMH0303SQ
296-35185-6
296-35185-1
296-35185-2
LMH0303SQ/NOPB-DG
LMH0303SQNOPB
Standard Package
1,000
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
我非常滿意他們的售後服務，每次都能得到及時的幫助，速度也超快！
de desembre 02, 2025
いつも多種多様な商品があり、選びやすいです。
de desembre 02, 2025
Their after-sales team patiently answered all my questions, making me feel supported.
de desembre 02, 2025
Their price advantage has enabled us to stay competitive in our electronic manufacturing projects.
de desembre 02, 2025
Their products prove that you don’t have to overspend for quality and dependability.
de desembre 02, 2025
Almost every time I order from DiGi Electronics, my package arrives exactly as scheduled, showcasing their dependable shipping process.
de desembre 02, 2025
Their products withstand the test of time, and their shipping is always prompt.
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Frequently Asked Questions (FAQ)
What are the key design considerations when replacing the LMH0303SQ/NOPB with a competitor like the Maxim MAX3830ETM+ in a SMPTE-compliant serial video transmission system?
When replacing the LMH0303SQ/NOPB with the Maxim MAX3830ETM+, critical differences in output impedance matching, rise/fall times, and power supply noise sensitivity must be addressed. The LMH0303SQ/NOPB is optimized for 75Ω back-terminated loads with precise 800 mVpp output swing per SMPTE standards, while the MAX3830ETM+ requires careful adjustment of external termination resistors and may exhibit higher jitter under low-supply-voltage conditions. Additionally, the MAX3830ETM+ lacks integrated DC restoration, which the LMH0303SQ/NOPB provides inherently—requiring an external bias circuit if AC-coupled outputs are used. Always validate eye diagram compliance per SMPTE 259M or 292M after substitution, especially in long-cable runs where signal integrity degradation can occur due to subtle differences in output drive strength and slew rate control.
How should I handle thermal management and PCB layout for the LMH0303SQ/NOPB in high-density professional video equipment with limited airflow?
The LMH0303SQ/NOPB’s 16-WQFN exposed pad package requires a solid thermal ground plane beneath the device connected through multiple vias to dissipate heat efficiently. In confined spaces typical of broadcast routers or production switchers, ensure the PCB’s inner layers act as a heat spreader by dedicating at least one full copper layer to ground. Avoid placing high-power components nearby, and maintain a minimum 2 mm clearance around the package to reduce thermal coupling. Since the junction-to-board thermal resistance (θJB) is low, soldering the exposed pad directly to a well-connected ground plane is essential—failure to do so can lead to localized heating, increased jitter, and premature failure under continuous 3.3V operation at elevated ambient temperatures.
Can the LMH0303SQ/NOPB be safely used in a multi-rate DVB-ASI and SMPTE 310M application without external rate-switching circuitry?
Yes, the LMH0303SQ/NOPB supports both DVB-ASI (270 Mbps) and SMPTE 310M (143 Mbps) data rates without external rate-switching components, thanks to its wideband differential input and adaptive equalization. However, ensure the upstream serializer or source device properly aligns scrambling and framing protocols, as the LMH0303SQ/NOPB does not interpret data—it only conditions and drives the signal. A common pitfall is assuming automatic rate detection; instead, system-level control must configure the source correctly. For mixed-rate environments like contribution links, verify that cable length and equalization settings are optimized per rate, as over-equalization at lower speeds can introduce baseline wander and increase BER.
What risks should I evaluate when substituting the LMH0303SQ/NOPB with a lower-cost alternative such as the ON Semiconductor MC10EP195FAG in cost-sensitive video distribution designs?
Substituting the LMH0303SQ/NOPB with the MC10EP195FAG introduces significant risks in signal fidelity and standards compliance. The MC10EP195FAG is a generic LVDS driver without SMPTE-optimized output levels, requiring external level-shifting and termination networks to meet 800 mVpp requirements. It also lacks built-in DC restoration and has higher intrinsic jitter (>100 ps typical vs. <50 ps for LMH0303SQ/NOPB), which can cause eye closure in long-reach applications. Furthermore, the MC10EP195FAG operates over a wider voltage range (2.375V–3.63V), but this flexibility comes at the cost of less stringent output impedance control. Such substitutions may pass bench tests but fail in field deployments with marginal SNR—always conduct full SMPTE compliance testing, including pathological pattern validation, before qualifying the replacement.
How does the moisture sensitivity level (MSL 3) of the LMH0303SQ/NOPB impact handling and reflow processes in high-volume manufacturing?
The LMH0303SQ/NOPB’s MSL 3 rating (168-hour floor life) demands strict moisture control during SMT assembly. Components must be baked at 125°C for 24 hours if exposed to ambient conditions beyond 168 hours post-dessicant seal break. During reflow, adhere to the recommended peak temperature of 260°C with a controlled ramp rate (<3°C/sec) to prevent popcorning or delamination of the 4x4 mm WQFN package. In high-humidity environments common in broadcast facilities, use vacuum-sealed packaging with humidity indicator cards and implement FIFO inventory rotation. Neglecting MSL protocols can lead to latent failures manifesting as intermittent output glitches or complete driver shutdown after thermal cycling—especially critical in 24/7 operational video infrastructure where field returns are costly and disruptive.
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.
LMH0303SQ/NOPB CAD Models
Texas Instruments LMH0303SQ/NOPB PCB symbols & footprints
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