Audio Solutions

The LMV108x/9x ICs are fully analog dual-input microphone array amplifiers that reduce background acoustic noise, while delivering superb speech. They are ideal for a variety of voice communication applications including handsets, powered headsets, and mobile radios.

These products are easy to integrate into any handset or headset design. No extensive design or software changes are required. Part of the PowerWise® family of energy-efficient solutions, the chips just 1 mA or 1/10th to 1/20th the power of comparable digital DSP and CPU software-based systems.

• Less than 1/10th to 1/20th the power of digital solutions
• Superior, natural voice clarity
• 85 dB PSRR at 1 KHz, 60 dB SNR, 1% THD+N
• Rapid system integration; no voice processing software code
• Serial bus and pin-programmable control options
• Single and dual channel versions
• On-chip calibration circuitry and EEPROM
• Space-saving packages
• Get more info on National's noise suppression products