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MT8812AP1
Microchip Technology
IC ANLG SWITCH ARRAY 8X12 44PLCC
1347 Pcs New Original In Stock
Telecommunications Switch IC 1 Channel 44-PLCC
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Minimum 1
5.0 / 5.0
- (183 Ratings)
MT8812AP1
Product Overview
1307231
DiGi Electronics Part Number
MT8812AP1-DGManufacturer
Microchip Technology
MT8812AP1
Description
IC ANLG SWITCH ARRAY 8X12 44PLCCInventory
1347 Pcs New Original In Stock
Telecommunications Switch IC 1 Channel 44-PLCC
Quantity
Minimum 1
Minimum 1
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MT8812AP1 Technical Specifications
Category
Interface, Analog Switches - Special Purpose
Packaging
-
Series
-
Product Status
Active
Applications
Telecommunications
Multiplexer/Demultiplexer Circuit
8:12
Switch Circuit
-
Number of Channels
1
On-State Resistance (Max)
65Ohm
Voltage - Supply, Single (V+)
4.5V ~ 13.2V
Voltage - Supply, Dual (V±)
-
-3db Bandwidth
45MHz
Features
-
Operating Temperature
0°C ~ 70°C (TA)
Mounting Type
Surface Mount
Package / Case
44-LCC
Supplier Device Package
44-PLCC
Base Product Number
MT8812
Datasheet & Documents
HTML Datasheet
MT8812AP1-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
Standard Package
26
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
DiGi Electronics 덕분에 언제나 믿을 수 있는 거래를 할 수 있어 감사드립니다.
de desembre 02, 2025
모바일에서도 사용하기 편리하게 최적화된 디자인 덕분에 어디서든 쉽게 쇼핑했어요.
de desembre 02, 2025
DiGi Electronics offre une excellente qualité de produits et un service de livraison exemplaire.
de desembre 02, 2025
速さとサポートの良さに感動しました！これからも利用したいです。
de desembre 02, 2025
They provide excellent deals that make their products highly cost-effective.
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Frequently Asked Questions (FAQ)
Can the MT8812AP1 be safely used as a drop-in replacement for the older MT8808 in a legacy telecom test fixture, and what layout or biasing changes are required to avoid signal degradation?
While the MT8812AP1 and MT8808 share similar 8x12 analog switch functionality and PLCC packaging, the MT8812AP1 has a higher on-state resistance (65Ω max vs. ~40Ω for MT8808) and operates over a wider supply range (4.5V–13.2V). Direct replacement may increase insertion loss in low-impedance signal paths—especially at higher frequencies near the 45MHz -3dB bandwidth. To mitigate risk, verify that your system’s drive circuitry can tolerate the added resistance, and ensure decoupling capacitors (≥0.1µF) are placed within 5mm of V+ pins. Also, confirm that control logic levels are compatible; the MT8812AP1 uses CMOS-level inputs, so TTL-driven designs may need level shifting if operating below 5V.
What are the key reliability risks when using the MT8812AP1 in an industrial environment with ambient temperatures occasionally exceeding 70°C, despite its rated operating range of 0°C to 70°C?
Operating the MT8812AP1 above its specified 70°C ambient limit significantly accelerates electromigration and oxide degradation, increasing the risk of premature failure—particularly in high-channel-count switching scenarios where cumulative leakage currents rise with temperature. Even brief thermal excursions can compromise long-term reliability due to the MSL-3 moisture sensitivity, which demands strict baking and handling protocols if reflowed after exposure. For industrial use beyond 70°C, consider derating the supply voltage (e.g., operate at ≤9V instead of 13.2V) and adding local airflow or heatsinking. Alternatively, evaluate automotive-grade alternatives like the ADG774A (–40°C to +125°C) if sustained high-temperature operation is unavoidable.
How does the MT8812AP1’s 65Ω on-resistance affect signal integrity in a 50Ω coaxial test setup for RF telemetry signals up to 30MHz, and what compensation techniques are recommended?
The MT8812AP1’s 65Ω on-resistance creates a mismatch with standard 50Ω systems, leading to reflections and ~0.5dB additional insertion loss at 30MHz. This can distort fast-rise-time pulses or amplitude-sensitive telemetry signals. To minimize impact, place the MT8812AP1 as close as possible to the source or load to reduce transmission line effects, and use series termination resistors (e.g., 10–15Ω) at the input to better match impedance. Avoid daisy-chaining multiple switches. If precision amplitude fidelity is critical, consider a lower-Ron alternative like the Maxim MAX4678 (1.2Ω Ron), though it lacks the 8x12 architecture and may require redesign.
Is it safe to parallel multiple channels of the MT8812AP1 to reduce effective on-resistance for driving low-impedance loads, and what are the failure modes if one channel fails short?
Paralleling MT8812AP1 channels is technically possible but introduces significant reliability risks. Due to manufacturing tolerances, on-resistance varies ±20% between channels, causing unequal current sharing and potential thermal runaway in one channel. If a single channel fails short—a known failure mode under overvoltage or ESD stress—it can pull the entire node to an unintended voltage, corrupting downstream logic or damaging sensitive circuitry. If low Ron is essential, use a dedicated low-Ron switch array instead. If paralleling is unavoidable, add individual 10–22Ω series resistors per channel to balance current and limit fault propagation, and implement overcurrent monitoring.
Can the MT8812AP1 handle ±5V analog signals when powered from a single +5V supply, and what happens if the input signal briefly exceeds the supply rails during power-up sequencing?
No—the MT8812AP1 cannot reliably handle negative analog signals when operated from a single +5V supply. Its internal protection diodes will forward-bias if the input falls below ground or exceeds V+, potentially latching up the device or causing excessive quiescent current. Even brief overshoots during power-up (e.g., from capacitive coupling or hot-plugging) can degrade switch performance over time. For bipolar signal handling, use a dual supply (e.g., ±6V) or add external clamping diodes to GND and V+ with current-limiting resistors. Alternatively, consider a true bipolar-capable switch like the Renesan μPD42084, but note it requires a different pinout and control interface.
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.
MT8812AP1 CAD Models
Microchip Technology MT8812AP1 PCB symbols & footprints
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