MP7770

New
90W Class-D Mono BTL Audio Amplifer

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Product Description

MP7770 is an analog class-D audio amplifier that can drive either stereo speakers in single-ended configuration or a mono speaker in a bridge-tied-load configuration. It is part of MPS’s family of fully-integrated audio amplifiers that dramatically reduce footprint size by integrating: • 100mO power MOSFETs • Startup/Shutdown pop elimination • Short-circuit protection circuits The MP7770 is capable of delivering 45W per channel into 4O speaker in single-ended output structure, or delivering 90W into 8O speaker in bridge-tied-load output structure under 36V VDD. MPS’s class D audio amplifiers exhibit the high fidelity of a Class A/B amplifier at higher efficiencies. The circuit is based on the MPS’s proprietary variable-frequency topology, which delivers excellent linearity, fast response time and operates from a single power supply.

Product Features

  • 9.5V-to-36V Operation from a Single Supply
  • ±8.5A Peak Current Output
  • Output Power at 36V and 10%THD: - Stereo Single-Ended: 2 x 45W into 4? Load, - Bridge-Tied Load: 90W into 8? Load
  • THD+N = 0.03% at 1W, 8O
  • > 90% Efficiency at 10%THD
  • Low Noise
  • Switching Frequency of up to 1MHz
  • Integrated Startup and Shutdown Pop Elimination Circuit
  • Programmable UVP
  • Thermal and Short-Circuit Protection
  • Output Fault Flag and Thermal Warning
  • Integrated Power FETs
  • TSSOP28-EP Package with Exposed Pad

Parametrics

  • PackageTSSOP28 EP
  • GradeCatalog
  • TypeMono BTL
  • Isw Limit (A)8.5
  • Total Pout (max) (W)90
  • PSRR (dB)-60
  • THD+N (%) @1W0.03
  • Efficiency (%)95
  • Vin (max) (V)36
  • Vin (min) (V)9.5

Evaluation Kit

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Kit details

The EV7770-F-00A is the single-ended configuration evaluation board for the MP7770GF, which can deliver 45W per channel into 4? speaker under 36V VDD. It is one of MPS’ products of fully integrated audio amplifiers which dramatically reduce solution size by integrating: • 100m? power MOSFETs • Startup/Shutdown pop elimination • Short-circuit protection circuits

MPS’s class D audio amplifiers exhibit the high fidelity of a Class A/B amplifier at higher efficiencies. The circuit is based on the MPS’s proprietary variable-frequency topology, which delivers excellent linearity, fast response time and operates from a single power supply.

$100.00 + tax