This is a low-cost, high-quality microphone amplifier with built-in automatic gain control (AGC) and low-noise microphone bias.
The device integrates low-noise preamplifier, variable gain amplifier (vGA), output amplifier, microphone bias generator and AGC control circuit.
Features:
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Audio AGC microphone sensor
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Microphone amplifier module
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Pickup mic microphone sound
Spec:
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Automatic gain control (AGC)
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Three gain settings (40dB, 50dB, 60b)
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Start time can be set
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The starting and releasing ratio can be set from 2.7 V to 5.5V power supply voltage range
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THD of input reference noise density as low as 0.04% (typical value) up to 30nhz
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Low noise microphone bias is provided internally, and the temperature range of 2V
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-40 ℃ to + 85 ℃ extended temperature range
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Module size, 41mm * 49mm
All devices sold can be customized to meet your project requirements and customer expectations. For a customization solution, please send us email at: strongscm@hotmail.com for further details and quotation.
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5 to 10 items |
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10 to 30 items |
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Over 30 items |
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