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LMV1088RLX
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LMV1088RLX

  • Category:Audio amplifier
  • Product Name:Dual-input far-field noise suppression microphone amplifier
  • Manufacturers:NSC
  • Production Batch Number:10+
  • Encapsulation:SMDXT
  • Stock Status:There is stock
  • Stock Quantity:7680
  • Minimum order quantity: 1
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  • Product introduction

peculiarity

  • Low power consumption
  • No processing delay is added
  • Automatic calibration
  • Space-saving 36-ball micro SMD package
  • 20 дБ SNRI

illustrate

LMV1088 усиливает голосовой сигнал ближней зоны в пределах 4 см от микрофона, подавляя при этом шум в дальней зоне, превышающий 0,5 метра от микрофона. Подавление в дальней зоне до 20 дБ возможно в правильно настроенной и откалиброванной системе.

LMV1088, входящий в семейство энергоэффективных решений PowerWise ®, потребляет 1 мА потребляемого тока, в то время как решение DSP потребляет более чем в 10 раз больше энергии, обеспечивая превосходную производительность.

Быстрая калибровка во время производственных испытаний позволяет LMV1088 дополнять всю микрофонную систему. Эта калибровка включает усиление микрофона и частотную характеристику, а также несоответствие разности акустических путей. EEPROM на плате LMV1088 хранит калибровочные коэффициенты. Калибровка начинается с команды I2C или управления выводами.

Два микрофонных входа являются дифференциальными, что обеспечивает превосходную устойчивость к помехам. Microphones with internal low-noise bias supplies are biased.

Main specifications

(Напряжение питания 3,3 В, если не указано иное)

Supply voltage

2.7V to 5.5V

Supply current

1mA (typical)

Signal-to-noise ratio (A-weighted)

60 дБ (макс.)

Total harmonic distortion

0.1% (typical)

Шумоподавления

20 дБ (номинал)

PSRR

85 dB (typical)


apply

  • Mobile phone
  • Mobile and handheld two-way radios
  • Bluetooth and other powered headphones
  • Handheld voice microphone
  • Portable PA system

andLMV1088RLXRelated ICs are:


Model Manufacturers lot number encapsulation illustrate
LMV1088RLX NSC 10+ SMDXT Dual-input far-field noise suppression microphone amplifier

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