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Speaker Amplifiers
Speaker Amplifiers
Maxim's speaker amplifier ICs combine superior sonic quality with technological breakthroughs that simplify the design process, save space, extend battery life, and reduce system cost. Our speaker amp ICs offer output power levels from less than 1W up to 50W. Maxim's innovative packaging technology provides the smallest Class AB and Class D amplifiers available. Our IV sense boosted Class D speaker amplifiers employ our patented Dynamic Speaker Management (DSM) technology, providing up to two times loudness improvement over standard Class D amps.
Class D
Maxim's Class D amplifiers offer very high wideband jitter tolerance, low THD+N, and low output ...
Boosted/DG
Maxim's Class DG speaker amps offer highly efficient, high-power audio portable solutions. Class...
Class AB
Class AB speaker amplifiers have higher efficiency than Class A, but less distortion than Class ...
Dynamic Speaker Management (DSM)
Dynamic Speaker Management (DSM™) smart amplifiers are an audio solution that combines high-perf...
Dynamic Speaker Management (DSM)
Dynamic Speaker Management (DSM™) smart amplifiers are an audio solution that combines high-perf...
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Featured Technical Documents
Browse Popular Technical Documents:
- How to Select the Best Audio Amplifier for Your Design
- Reduce EMI and Maintain High Efficiency with Class D Amplifiers in Portable Applications
- Class G and Charge-Pump Technologies Maximize Efficiency in Boosted Amplifiers with Minimal Support Components
- Class D Amplifiers: Fundamentals of Operation and Recent Developments
- Maxim's Active-Emissions-Limiting Circuitry Demystified
Technical Documentation
Technical Documents
Showing 10 of View Top 100 Results View All Results
Part Number   | Title | Document Type | Date |
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Featured Products
MAX98307 3.3W Mono Class DG Multilevel Audio Amplifier
The MAX98307/MAX98308 fully differential mono Class DG multilevel power amplifiers with integrat...
- High Efficiency Combined with High Output Power
- Class DG Multilevel Modulation Ensures Maximum Efficiency Over Wide Output Power Range
- Improves Battery Life
- Low 1.85mA Quiescent Current
- High Output Power at 1% THD+N
- 1.54W at VPVDD = 3.6V, 8Ω + 68µH Load
- 2.85W at VPVDD = 5V, 8Ω + 68µH Load
- High Output Power at 10% THD+N
- 1.77W at VPVDD = 3.6V, 8Ω + 68µH Load
- 3.3W at VPVDD = 5V, 8Ω + 68µH Load
- 84% Efficiency (VPVDD = 3.6V, at 500mW Output)
- Active Emissions Limiting and Class DG Multilevel Output Modulation Eliminates EMI Output Filtering Requirement
- Integrated Charge Pump and High Efficiency Results in Small Solution Size
- Excellent RF Immunity
- Click-and-Pop Suppression
- Thermal and Overcurrent Protection
- Low-Current Shutdown Mode
MAX98356 PDM Input Class D Audio Power Amplifier
The MAX98356 is a digital pulse-density modulated (PDM) input Class D power amplifier that provi...
- Single-Supply Operation (2.5V to 5.5V)
- 3.2W Output Power into 4Ω at 5V
- 1.8mA Quiescent Current
- 92% Efficiency (RL = 8Ω, POUT = 900mW, VDD = 3.7V)
- 29µVRMS Output Noise (AV = 6dB)
- Low 0.013% THD+N at 1kHz
- Exceptionally High Jitter Tolerance
- Supported PDM_CLK Rates of 1.84MHz–4.32MHz and 5.28MHz–8.64MHz
- Supports Left, Right, or Left/2 + Right/2 Outputs
- Sophisticated Edge Rate Control Enables Filterless Class D Outputs
- 77dB PSRR at 217Hz
- Low RF Susceptibility Rejects TDMA Noise from GSM Radios
- Extensive Click-and-Pop Reduction Circuitry
- Robust Short-Circuit and Thermal Protection
- Available in Space-Saving Package: 1.345mm x 1.435mm WLP (0.4mm Pitch)
MAX98500 Boosted 2.2W Class D Amplifier with Automatic Level Control
The MAX98500 is a high-efficiency Class D audio amplifier that features an integrated boost conv...
- Boosted Class D Output
- Integrated Automatic Level Control
- Output Power
- 2.2W into 8Ω, 10% THD+N
- 1.7W into 8Ω, 1% THD+N
- Wide 2.5V to 5.5V Supply Voltage Range
- Undervoltage Lockout Protection
- High Total Efficiency of 87%
- High Step-Up Switching Frequency (2MHz)
- Active Emission Limiting for Low EMI
MAX9744 20W Stereo Class D Speaker Amplifier with Volume Control
The MAX9744 20W stereo Class D audio power amplifier provides Class AB amplifier performance wit...
- Wide 4.5V to 14V Power-Supply Voltage Range
- Filterless Spread-Spectrum Modulation Lowers Radiated RF Emissions from Speaker Cables
- 20W Stereo Output (4Ω, VDD = 12V, THD+N = 10%)
- Integrated Volume Control (I²C or Analog)
- Low 0.04% THD+N
- High 75dB PSRR
- High 93% Efficiency
- Integrated Click-and-Pop Suppression
- Low-Power Shutdown Mode
- Short-Circuit and Thermal-Overload Protection
- Available in a 44-Pin Thin QFN-EP (7mm x 7mm x 0.8mm)
MAX98307 3.3W Mono Class DG Multilevel Audio Amplifier
The MAX98307/MAX98308 fully differential mono Class DG multilevel power amplifiers with integrat...
- High Efficiency Combined with High Output Power
- Class DG Multilevel Modulation Ensures Maximum Efficiency Over Wide Output Power Range
- Improves Battery Life
- Low 1.85mA Quiescent Current
- High Output Power at 1% THD+N
- 1.54W at VPVDD = 3.6V, 8Ω + 68µH Load
- 2.85W at VPVDD = 5V, 8Ω + 68µH Load
- High Output Power at 10% THD+N
- 1.77W at VPVDD = 3.6V, 8Ω + 68µH Load
- 3.3W at VPVDD = 5V, 8Ω + 68µH Load
- 84% Efficiency (VPVDD = 3.6V, at 500mW Output)
- Active Emissions Limiting and Class DG Multilevel Output Modulation Eliminates EMI Output Filtering Requirement
- Integrated Charge Pump and High Efficiency Results in Small Solution Size
- Excellent RF Immunity
- Click-and-Pop Suppression
- Thermal and Overcurrent Protection
- Low-Current Shutdown Mode
MAX98356 PDM Input Class D Audio Power Amplifier
The MAX98356 is a digital pulse-density modulated (PDM) input Class D power amplifier that provi...
- Single-Supply Operation (2.5V to 5.5V)
- 3.2W Output Power into 4Ω at 5V
- 1.8mA Quiescent Current
- 92% Efficiency (RL = 8Ω, POUT = 900mW, VDD = 3.7V)
- 29µVRMS Output Noise (AV = 6dB)
- Low 0.013% THD+N at 1kHz
- Exceptionally High Jitter Tolerance
- Supported PDM_CLK Rates of 1.84MHz–4.32MHz and 5.28MHz–8.64MHz
- Supports Left, Right, or Left/2 + Right/2 Outputs
- Sophisticated Edge Rate Control Enables Filterless Class D Outputs
- 77dB PSRR at 217Hz
- Low RF Susceptibility Rejects TDMA Noise from GSM Radios
- Extensive Click-and-Pop Reduction Circuitry
- Robust Short-Circuit and Thermal Protection
- Available in Space-Saving Package: 1.345mm x 1.435mm WLP (0.4mm Pitch)
MAX98500 Boosted 2.2W Class D Amplifier with Automatic Level Control
The MAX98500 is a high-efficiency Class D audio amplifier that features an integrated boost conv...
- Boosted Class D Output
- Integrated Automatic Level Control
- Output Power
- 2.2W into 8Ω, 10% THD+N
- 1.7W into 8Ω, 1% THD+N
- Wide 2.5V to 5.5V Supply Voltage Range
- Undervoltage Lockout Protection
- High Total Efficiency of 87%
- High Step-Up Switching Frequency (2MHz)
- Active Emission Limiting for Low EMI
MAX9744 20W Stereo Class D Speaker Amplifier with Volume Control
The MAX9744 20W stereo Class D audio power amplifier provides Class AB amplifier performance wit...
- Wide 4.5V to 14V Power-Supply Voltage Range
- Filterless Spread-Spectrum Modulation Lowers Radiated RF Emissions from Speaker Cables
- 20W Stereo Output (4Ω, VDD = 12V, THD+N = 10%)
- Integrated Volume Control (I²C or Analog)
- Low 0.04% THD+N
- High 75dB PSRR
- High 93% Efficiency
- Integrated Click-and-Pop Suppression
- Low-Power Shutdown Mode
- Short-Circuit and Thermal-Overload Protection
- Available in a 44-Pin Thin QFN-EP (7mm x 7mm x 0.8mm)
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