DAOKAI MAX9814 Microphone Amplifier Module Auto Gain Control Board 2.7V - 5.5V 40dB / 50dB / 60dB Gain Setting MIC Low Noise Preamplifier, For Arduino(2PCS)

• ⚡[Product parameters] Supply voltage range 2.7V to 5.5V, low input-referred noise density of 30nV/√Hz, THD as low as 0.04% (typ), low-noise microphone setting provided internally 2V.
• ⚡[Product Description] This product has built-in automatic gain control (AGC) and low noise microphone bias. The device integrates a low noise preamplifier, variable gain amplifier (VGA), output amplifier, microphone bias generator, and AGC control circuit.
• ⚡[Three Amplifier Settings] The output amplifier provides three selectable gains of 8dB, 18dB and 28dB. Amplifiers can be cascaded to achieve a total gain of 40dB, 50dB or 60dB without compression.
• ⚡[Product use] This product can be used in digital cameras, digital video cameras, entertainment systems (such as: karaoke), high-quality portable video recorders, IP phones / conference calls, two-way communication devices, etc.
• ⚡[Package includes] You will get 2 x MAX9814 Microphone Amplifier Module, 1 x 10 PIN Female to Male Dupont Cable.

Product introduction: 1. The MAX9814 is a high-quality microphone amplifier with built-in automatic gain control (AGC) and low-noise microphone bias. The device integrates a low noise preamplifier, variable gain amplifier (VGA), output amplifier, microphone bias generator, and AGC control circuit. 2. This product adopts a space-saving 14-pin TDEN package, which is specified to work in the extended temperature range of -40℃~+85℃. Product Features: 1.Supply Voltage: 2.7v-5.5v @ 3mA current 2.Automatic Gain Control (AGC) 3.Three gain settings (40dB, 50dB, 60dB) 4. Programmable Attack and Release Ratio 5.Low Input-Referred Noise Density of 30nV/ 6.Low THD: 0.04% (typ) 7.Low Power Shutdown Mode 8.Low noise microphone bias 2V provided internally Package includes: 2 x MAX9814 Microphone Amplifier Module 1 x 10 PIN Female to Male Dupont Cable