!معزز کسٹمر ویب سائٹ پر آوڈر پلیس کرنے کے بعد ہمیں کال یا واٹس ایپ 03021421492 پر اپنی اوڈر آئی ڈی لازمی سینڈ کریں تاکہ آپ کا آوڈر جلد سے جلد پروسیس کیا جا سکے. شکریہ

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MAX9814 Microphone Amplifier Module In Pakistan

The MAX9814 is available in the space-saving, 14-pin TDFN package. This device is specified over the -40°C to +85°C extended temperature range. MAX9814 is a low-cost, high-quality microphone amplifier with automatic gain control (AGC) and low-noise microphone bias. The device features a low-noise preamplifier, variable gain amplifier (VGA), output amplifier, microphone-bias-voltage generator, and AGC control circuitry. The low-noise preamplifier has a fixed 12dB gain, while the VGA gain automatically adjusts from 20dB to 0dB, depending on the output voltage and the AGC threshold. The output amplifier offers selectable gains of 8dB, 18dB, and 28dB. With no compression, the cascade of the amplifiers results in an overall gain of 40dB, 50dB, or 60dB. A trilevel digital input programs the output amplifier gain. An external resistive divider controls the AGC threshold and a single capacitor programs the attack/release times. A trilevel digital input programs the ratio of attack-to-release time. The hold time of the AGC is fixed at 30ms. The low-noise microphone-bias-voltage generator can bias most electret microphones.

Availability:

In stock

650

In stock

Applications

  1. Bluetooth Headsets
  2. Two-Way Communicators
  3. High-Quality Portable Recorders
  4. IP Phones/Telephone Conferencing

Technical Specifications

  1. Supply Voltage: 2.7v-5.5v @ 3mA current
  2. Output: 2Vpp on 1.25V bias
  3. Frequency Response: 20Hz – 20 KHz
  4. Programmable Attack and Release Ratio
  5. Automatic gain, selectable max from 40dB, 50dB or 60dB
  6. Low Input-Referred Noise Density of 30nV/
  7. Low THD: 0.04% (type)

 

Documents and Downloads

  1. MAX9814 Datasheet
  2. MAX9814 Arduino Library

Package Includes

  • 1x MAX9814 Microphone Amplifier Module In Pakistan
SKU: D64 Category:

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