MP7741DQ-LF-Z - 10W Mono Class D Amplifier | MPS
MPN: MP7741DQ-LF-Z ✓ Active| Qty | Unit Price | Extended |
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| 1 | $0 | $0.00 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
| 3,000 | $0 | $0.00 |
MP7741DQ-LF-Z Overview
A Class D audio amplifier is a switching power amplifier that uses pulse-width modulation to drive an output MOSFET bridge and reconstruct the audio waveform through filtering. Compared with linear audio amplifiers, the Class D category offers higher power-conversion efficiency and lower output-stage dissipation, making it useful for portable speakers, compact consumer equipment, and space-constrained audio products. The MP7741 uses a single-ended output structure rather than a bridge-tied load, so the speaker connection and output-filter requirements must follow the manufacturer guidance.
Key verified features include 10 W mono Class D operation, integrated 250 mΩ power MOSFETs, depop circuitry for startup and shutdown, and short-circuit and thermal protection features reported by distributors. The device is specified for a -40°C to 125°C operating-temperature range. The exposed-pad package helps remove heat from the power stage, although final thermal performance depends on the PCB copper area, power dissipation, ambient temperature, and load impedance.
The MP7741 is intended for analog-input audio paths where a small, efficient mono output stage is useful. Typical applications include compact speakers, portable audio products, soundbars, consumer audio modules, and auxiliary speaker systems. Its single-ended output should be considered carefully when selecting speaker wiring, output filtering, and grounding arrangements. The manufacturer evaluation board EV7741DQ-00A provides a practical reference for evaluating the amplifier, although the supplied verified data does not provide its schematics or component values.
Designers should verify the exact pin names, exposed-pad connection, recommended input and output filtering, and speaker impedance against the current manufacturer datasheet before layout release. were not present in the supplied verified data and are intentionally not guessed. Pricing and stock status must likewise be confirmed at the time of quotation.
This page combines verified manufacturer and distributor information, same-package replacement status, and application-oriented design guidance. It is intended to help engineers identify the correct amplifier class, package, thermal considerations, and sourcing questions before requesting a quote.
Drop-in alternatives for MP7741DQ-LF-Z — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MP7741DQ-LF-Z (same form factor and footprint) — differing in Integrated Power MOSFET Resistance, Package, Protection Features, RoHS Status.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MP7741DQ-LF-P
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View Datasheet →MP7741DQ-LF-Z
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View Datasheet →MP7741DQ-LF-P
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
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View Datasheet →MP7741DQ
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MP7741
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MP7741DQ-LF-Z
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View Datasheet →MP7741DQ-LF-Z Maximum Ratings & Electrical Characteristics
| Device Type | Mono Class D audio amplifier |
| Rated Output Power | 10 W |
| Output Configuration | Single-ended |
| Channel Count | 1 channel |
| Integrated Power MOSFET Resistance | 250 mΩ |
| Protection Features | Depop, short-circuit, and thermal protection |
| Input Configuration | Analog input |
| Operating Temperature Range | -40°C to +125°C |
| Package | 10-VFDFN exposed pad, 3 mm × 3 mm |
| Mounting Style | Surface mount |
| Packaging | Tape and reel |
| RoHS Status | unknown |
| REACH Status | unknown |
| AEC-Q100 Qualification | unknown |
MP7741DQ-LF-Z 10-vfdfn exposed pad, 3 mm × 3 mm Pin Configuration Guide
Pin configuration for MP7741DQ-LF-Z (10-vfdfn exposed pad, 3 mm × 3 mm package). This analog component features input, output, and power supply pins. Refer to the manufacturer datasheet for offset null, compensation, and enable pin configurations. Ideal for signal conditioning and amplifier circuits.
No detailed pinout data available for MP7741DQ-LF-Z.
Refer to the datasheet for full pin configuration.
Typical Applications
MP7741DQ-LF-Z is suitable for 6 applications: Compact Mono Speaker, Portable Audio Product, Soundbar Speaker Module, Consumer Audio Auxiliary Amplifier, Industrial Control Annunciator, USB or Portable Speaker Accessory.
Compact Mono Speaker
The MP7741DQ-LF-Z fits a compact mono-speaker design because it is identified as a 10 W Class D amplifier with a single-ended output and integrated 250 mΩ power MOSFETs. Placing the amplifier close to the speaker connection can reduce board area and simplify the analog signal path. The main engineering checks are speaker impedance, output filtering, thermal dissipation, and the allowed distortion and power conditions, which are not supplied in the verified data.
Recommended
Portable Audio Product
A Class D output stage is useful in portable equipment where amplifier efficiency and board area matter. The MP7741DQ-LF-Z provides a 10 W mono Class D solution with startup and shutdown pop elimination, while the exposed-pad package supports heat spreading through PCB copper. Battery range, speaker impedance, and thermal rise must be evaluated under the actual enclosure and ambient conditions before using the 10 W rating as a design guarantee.
Recommended
Soundbar Speaker Module
The MP7741 can serve as the power amplifier for one small speaker channel in a soundbar or similar consumer-audio module. Its single-ended output architecture requires a speaker and grounding arrangement consistent with the manufacturer reference design. Compared with a larger discrete output stage, the integrated MOSFETs reduce external component count, but EMI control and output filtering remain important because Class D switching edges can radiate into nearby audio circuitry.
Recommended
Consumer Audio Auxiliary Amplifier
For auxiliary inputs, monitor speakers, and compact consumer-audio products, the MP7741DQ-LF-Z offers a mono 10 W output stage in a small surface-mount package. The startup and shutdown depop feature helps reduce audible transients during control transitions. Designers should still place the input network and power return carefully, and should verify the amplifier’s gain and input-sensitivity requirements because those values are [DATA_NEEDED] in the supplied sources.
Recommended
Industrial Control Annunciator
A low-power audio indication function in an industrial control product can use the MP7741DQ-LF-Z when the required speaker impedance and acoustic output match the device’s verified operating conditions. The -40°C to +125°C specified operating range makes it relevant for harsh environments, but the available data does not confirm AEC-Q100 qualification, EMC compliance, or long-term availability. Those requirements must be checked separately for each industrial qualification program.
Recommended
USB or Portable Speaker Accessory
The MP7741DQ-LF-Z can be used in a powered speaker accessory that accepts an analog audio signal and drives one mono speaker. Its integrated output transistors and 10-VFDFN package support compact construction, while short-circuit and thermal protection help manage predictable fault conditions. USB or battery-powered designs still need verified supply limits, decoupling values, output filtering, and ESD protection; these details are not contained in the supplied data and must not be inferred.
Recommended
Recommended Products Summary
Engineering reference data for MP7741DQ-LF-Z — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MP7741DQ-LF-P | MP7741DQ-LF-Z | MP7741DQ-LF-P | MP7741DQ | MP7741 |
|---|---|---|---|---|---|---|
| Brand | Monolithic Power Systems | Monolithic Power Systems | Monolithic Power Systems | Monolithic Power Systems | Monolithic Power Systems | Monolithic Power Systems |
| Package | 10-VFDFN exposed pad, 3 mm × 3 mm | 10-VFDFN exposed pad, 3 mm × 3 mm | 10-VFDFN exposed pad, 3 mm × 3 mm | 10-VFDFN exposed pad, 3 mm × 3 mm | 10-VFDFN exposed pad, 3 mm × 3 mm | 10-VFDFN exposed pad, 3 mm × 3 mm |
Key Differentiators
- Single-ended 10 W mono Class D output (vs A conventional bridge-tied Class D amplifier)
- Integrated 250 mΩ power MOSFETs (vs Discrete output MOSFET implementation)
- Depop and fault-protection features (vs An audio amplifier without integrated depop or protection)
Design Notes
Use the MPS exposed-pad land pattern and connect the exposed pad as directed by the manufacturer. Keep the amplifier output loop compact, place input and power-ground returns away from speaker output routing, and reserve the pad for copper heat spreading. The verified data identifies a 10-VFDFN exposed-pad package but does not provide exact land-pattern dimensions, so use the official package drawing rather than extrapolating from a generic QFN footprint.
The MP7741 integrates 250 mΩ power MOSFETs and includes short-circuit and thermal protection, but the output stage still requires correct supply bypassing and a stable power return. Determine the maximum supply voltage, output current, and power dissipation from the current datasheet before selecting capacitors or a power source. The verified sources do not provide those limits, so the design must not rely on an assumed voltage or current rating.
Route the switched output and any output-filter components away from sensitive audio inputs, microphones, and reference circuitry. A single-ended Class D output can produce high-frequency switching edges; short, deliberate return paths and a defined ground strategy are more important than simply minimizing every trace independently. Validate conducted and radiated emissions with the final speaker cable, enclosure, power supply, and filter configuration.
Do not substitute a bridge-tied-load amplifier or change the speaker connection without checking the pinout and topology. MP7741DQ-LF-Z is verified as a single-ended output device, so the output return, speaker connection, and protection behavior may differ from a conventional BTL amplifier. Also confirm the exact MPN suffix and exposed-pad connection before releasing a PCB footprint.
Compliance Information
The supplied verified data does not state RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals status. Compliance must be confirmed from current MPS or authorized-distributor documentation.
