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LMH6574MA
Texas Instruments
IC VIDEO MULTIPLEXER 4X1 14SOIC
67849 Pcs New Original In Stock
Video Switch IC 1 Channel 14-SOIC
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5.0 / 5.0
- (366 Ratings)
LMH6574MA
Product Overview
1310530
DiGi Electronics Part Number
LMH6574MA-DGManufacturer
Texas Instruments
LMH6574MA
Description
IC VIDEO MULTIPLEXER 4X1 14SOICInventory
67849 Pcs New Original In Stock
Video Switch IC 1 Channel 14-SOIC
Quantity
Minimum 1
Minimum 1
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LMH6574MA Technical Specifications
Category
Interface, Analog Switches - Special Purpose
Packaging
-
Series
-
Product Status
Obsolete
Applications
Video
Multiplexer/Demultiplexer Circuit
4:1
Switch Circuit
-
Number of Channels
1
On-State Resistance (Max)
-
Voltage - Supply, Single (V+)
6V ~ 12V
Voltage - Supply, Dual (V±)
±3V ~ 6V
-3db Bandwidth
500MHz
Features
Buffered
Operating Temperature
-40°C ~ 85°C (TA)
Mounting Type
Surface Mount
Package / Case
14-SOIC (0.154", 3.90mm Width)
Supplier Device Package
14-SOIC
Base Product Number
LMH6574
Datasheet & Documents
Manufacturer Product Page
LMH6574MA Specifications
HTML Datasheet
LMH6574MA-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
2156-LMH6574MA
TEXTISLMH6574MA
Standard Package
55
Alternative Parts
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Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
믿고 구매할 수 있는 곳입니다. 가격도 좋고, 배송도 빠르고 효율적이에요.
de desembre 02, 2025
他們的售後支持讓我感受到誠意與專業，非常值得信賴。
de desembre 02, 2025
Stock management at Di Digi Electronics is meticulous, preventing shortages.
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Frequently Asked Questions (FAQ)
How can I mitigate signal integrity risks when designing the LMH6574MA into a high-bandwidth video multiplexer application?
When integrating the LMH6574MA into high-bandwidth video systems, signal integrity is critical due to its 500MHz bandwidth capability. To minimize reflections and crosstalk, use controlled impedance traces (typically 50Ω or 75Ω depending on system standard), keep trace lengths as short as possible, and ensure proper grounding with a continuous ground plane. Terminate output lines at the load to prevent signal bounce, especially in applications like broadcast or medical imaging where video fidelity is crucial. Consider using simulation tools to model PCB parasitics, as the LMH6574MA's buffered architecture helps isolate source loading but remains sensitive to poor layout practices that degrade transient response and increase settling distortion.
What are the key risks of selecting the LMH6574MA for new designs given its obsolete status, and are there recommended drop-in replacements?
The LMH6574MA is marked as obsolete by Texas Instruments, which poses long-term supply chain and lifecycle support risks for new designs. While current stock exists (67,800 units available), future production is not guaranteed. For design-in continuity, consider evaluating active-pin-compatible alternatives like the THS4521 or THS4631 from TI, which offer comparable bandwidth and video performance but require verification of signal compatibility due to architectural differences. The NOPB variants (LMH6574MA/NOPB, LMH6574MAX/NOPB) are functionally identical but also obsolete. Evaluate dual sourcing or redesign with actively supported 4:1 video multiplexers such as the TS3L501E to ensure reliability in volume production.
Can the LMH6574MA reliably switch analog video signals between 6V and 12V single supplies without distortion in broadcast equipment?
Yes, the LMH6574MA supports single supplies from 6V to 12V, making it suitable for analog video switching in broadcast or surveillance systems, but signal swing and headroom must be carefully managed. Operating near the lower end (6V) limits output voltage range, increasing risk of clipping with large signal amplitudes (e.g., 1Vp-p into 75Ω). For minimal distortion, ensure input signals stay within the device’s linear output range and load conditions do not approach current saturation. Use the buffered output stage advantageously to drive long cables, but include series termination (e.g., 33Ω) to damp ringing. Always verify performance with real-world composite or component video waveforms under expected load conditions.
How does the LMH6574MA compare to the MAX4312 in 4:1 video multiplexing applications, and what are the trade-offs in system design?
Compared to the MAX4312, the LMH6574MA offers higher -3dB bandwidth (500MHz vs. 450MHz), which benefits high-definition video applications like 1080p or RGB routing. However, the MAX4312 typically has lower on-channel crosstalk and slightly better power efficiency. The LMH6574MA's buffered output reduces dependency on load impedance, simplifying interface design when driving multiple destinations. Trade-offs include the LMH6574MA’s obsolete status versus Maxim’s (now Analog Devices) continued support of the MAX4312. For new designs requiring long-term reliability and support, the MAX4312 may be preferable despite marginally lower bandwidth, unless you’re using existing LMH6574MA inventory and require minimal redesign.
What reliability issues should I watch for when using the LMH6574MA in industrial environments with wide temperature cycling?
While the LMH6574MA is rated for -40°C to 85°C operation, industrial use involving thermal cycling can expose weaknesses in surface-mount assemblies, particularly under sustained mechanical stress. Though the device has MSL1 (unlimited moisture sensitivity), repeated thermal expansion can lead to solder joint fatigue on the 14-SOIC package. To enhance reliability, use compliant PCB layout practices such as avoiding vias in pad areas, ensuring adequate copper for thermal dissipation, and conformal coating in high-humidity or corrosive environments. Validate performance across temperature extremes with signal stress testing, as gain flatness and crosstalk can drift near operating limits. Given its obsolete status, consider accelerated life testing if deploying in mission-critical systems without a near-term upgrade path.
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.
LMH6574MA CAD Models
Texas Instruments LMH6574MA PCB symbols & footprints
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