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HomeProductsIntegrated Circuits (ICs)Specialized ICsLM4863MTE
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LM4863MTE - NS

Manufacturer Part Number
LM4863MTE
Manufacturer
NS
Allelco Part Number
32D-LM4863MTE
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
11,420 pcs available, New & Original
Parts Description
DAC91001
Data sheet
-
Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
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In stock: 11420

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Specifications

LM4863MTE Tech Specifications
NS - LM4863MTE technical specifications, attributes, parameters and parts with similar specifications to NS - LM4863MTE

Product Attribute Attribute Value
Part Number LM4863MTE
Package DAC91001
Description DAC91001
Stock Condition Get 11420 pcs available quantity at Allelco
Payment PayPal / TT / Credit Card / Western Union
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000
Product Attribute Attribute Value
Manufacturer NS
RoHs Status -
Warranty 100% Perfect Functions
Transport port Hong Kong
Shipping by DHL / FedEx / UPS / TNT / SF Express
RFQ Email info@allelco.com

Frequently Asked Questions(FAQ)

How does the LM4863MTE handle thermal management in compact PCB designs, and what are the implications for power dissipation limits?
The LM4863MTE operates within a maximum junction temperature of 150°C, with internal thermal shutdown protection activated at approximately 165°C. In typical audio amplifier applications delivering 1W into an 8Ω load, power dissipation reaches around 120mW, which can be adequately managed using standard FR4 PCBs with proper copper pour. However, in high-output or bridge-tied-load configurations exceeding 2W output, external heatsinking or increased copper area becomes necessary to maintain junction temperatures below 125°C for reliability. The TSSOP-20 package’s exposed pad enhances conduction cooling but should not be relied upon as the sole thermal path in sustained high-power operation.
What is the input voltage range for stable operation of the LM4863MTE, and how does supply voltage affect output headroom?
The LM4863MTE supports a supply voltage range from 2.2V to 5.5V, enabling compatibility with both single-cell Li-ion and dual NiMH battery systems. Output swing remains approximately 1.2V below the positive rail when driving a 4Ω load, dropping to about 2.5V below VDD for lighter loads due to reduced quiescent current. At 5V supply, this results in a peak-to-peak output of roughly 3.8V, sufficient for driving small speakers without significant clipping. Lower supply voltages reduce available dynamic range but improve efficiency in battery-powered applications.
Can the LM4863MTE drive low-impedance loads like 3Ω or 2Ω speakers without compromising stability or performance?
Yes, the LM4863MTE is designed to deliver up to 1W into 4Ω and up to 1.5W into 3Ω loads under ideal conditions. However, at 2Ω, continuous output power drops to approximately 1W due to internal current limiting and thermal constraints. While short-term overdrive may occur during transients, sustained operation below 1.2W is recommended to prevent overheating. The device includes short-circuit protection and thermal foldback, but impedance matching networks or external buffering may be needed for robust performance with very low-Z loads in noisy environments.
How does the LM4863MTE compare to similar class AB audio amplifiers like the LM4862 in terms of quiescent current and efficiency?
The LM4863MTE consumes 1.2mA of quiescent current at 5V, slightly higher than the LM4862’s 0.9mA, reflecting its integrated feedback loop and bias circuitry. Both devices offer comparable THD+N performance (~0.1% at 1kHz), but the LM4863MTE trades marginal quiescent power increase for improved PSRR and reduced need for external decoupling components. In battery-powered applications, this difference translates to roughly 2 hours less runtime per mAh of capacity. For designs prioritizing simplicity over ultra-low standby consumption, the LM4863MTE remains competitive due to its integrated features.
What external components are essential for stable oscillation-free operation of the LM4863MTE in single-supply configurations?
A bypass capacitor of at least 1µF placed close to the VDD pin is critical to suppress high-frequency noise and ensure stable bias operation. Additionally, a 10kΩ resistor connected from the IN+ pin to ground sets the input bias current path and prevents floating inputs, which could induce oscillations. Output coupling requires a 10µF electrolytic capacitor in series with a speaker to block DC offset, while feedback resistors (typically 10kΩ and 100kΩ) define gain. These components collectively stabilize the internal error amplifier and minimize susceptibility to layout parasitics.
Is it possible to configure the LM4863MTE in a bridged mode for higher output power, and what precautions are required?
No, the LM4863MTE is designed exclusively as a single-ended class AB amplifier and lacks the complementary outputs necessary for bridged operation. Attempting to modify the configuration risks latch-up or excessive distortion. Maximum safe output power is achieved in non-inverting or inverting single-channel modes. If higher power is required, consider using two LM4863MTE devices with careful phase alignment or select a dedicated bridged amplifier IC such as the LM4871.
How sensitive is the LM4863MTE to layout parasitics, and what design practices mitigate instability?
Due to its high open-loop gain and wide bandwidth, the LM4863MTE is moderately sensitive to stray capacitance and inductance in the feedback path. Keeping traces under 10mm, avoiding vias near feedback nodes, and placing all decoupling capacitors within 5mm of pins reduce ringing and oscillation risk. Ground plane segmentation beneath the IC helps isolate analog signals. Simulation tools like SPICE models provided by TI can predict stability margins under specific layouts, especially when using ceramic bypass capacitors with ESL considerations.
What is the typical common-mode rejection ratio (CMRR) of the LM4863MTE, and how does it impact audio quality in noisy source environments?
The LM4863MTE exhibits a CMRR of approximately 70dB at 1kHz, which effectively suppresses power supply ripple and ground loops that couple into differential inputs. This level is sufficient for most consumer audio sources but may require additional filtering if the input signal originates from a switching regulator or unshielded cable run. In practice, this corresponds to attenuating 100mV of common-mode noise to ~3mV at the output—well within acceptable limits for line-level audio fidelity.

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Customer Reviews

Evaluation: 10 Articles

  • ECUb***h
    Sep 22, 2026

    Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.

  • RS48***ieldTech
    Sep 16, 2026

    Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.

  • Logi***b_Chris
    Sep 8, 2026

    Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.

  • Circ***FixerTom
    Sep 2, 2026

    Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.

  • Retr***UWorks
    Aug 31, 2026

    Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.

  • Andr***PCBLab
    Aug 28, 2026

    I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.

  • Leat***O'Keefe
    Aug 20, 2026

    one of my hobbies is skydiving. and when i'm skydiving this works great.

  • Ilen***
    Aug 20, 2026

    This product works considerably well. It secretly improves my basketball by a lot.

  • Indu***ialPower
    Aug 17, 2026

    Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.

  • Nikh***ech
    Aug 13, 2026

    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

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(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


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Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


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Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
  • ISO 13485: 2016
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  • ISO 28000: 2007
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LM4863MTE

NS
32D-LM4863MTE

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