MAX9814 Microphone Amplifier Module with Auto Gain Control (2PCS) (2.7 V, 5.5 V)
An excellent choice for high-quality audio applications.
The MAX9814 Microphone Amplifier Module offers versatile audio amplification with built-in automatic gain control and low-noise performance. Designed for various applications such as digital cameras, karaoke systems, and communication devices, it’s an essential tool for high-quality audio capture. Each package includes two amplifier modules and a Dupont cable for easy connection.
- Supply voltage range: 2.7V to 5.5V with 3mA current
- Three selectable gain settings: 40dB, 50dB, 60dB
- Low input noise density of 30nV/√Hz
Best for: Audio project developers and hobbyists
Our Review
The MAX9814 Microphone Amplifier Module is a highly regarded device that stands out due to its built-in automatic gain control and low noise characteristics. With a flexible supply voltage range and three selectable gain settings, this module caters to various applications such as digital cameras, karaoke systems, and two-way communication devices. Its design optimises performance, ensuring clarity and quality in audio capturing while maintaining a compact form factor.
This microphone amplifier is particularly suitable for developers and hobbyists working on audio projects requiring sensitive and accurate sound input. Its low input-referred noise density and minimal total harmonic distortion offer enhanced audio clarity, making it an excellent choice for those needing precision in sound recording or amplification.
For anyone looking for a reliable and efficient microphone amplifier, the MAX9814 presents a compelling option. Its robust features, including low power shutdown mode, make it an ideal choice for both professional and DIY audio applications. In conclusion, we strongly recommend the MAX9814 Microphone Amplifier Module for its performance and versatility.
What we like
- Built-in automatic gain control for optimal audio capture
- Three selectable gain settings to suit different applications
- Low noise characteristics ensure clear sound quality
- Compact design fits various project setups
- Low power shutdown mode enhances efficiency
Our verdict
An excellent choice for high-quality audio applications.
Product Details
Product Overview
The MAX9814 is a high-quality microphone amplifier module featuring an automatic gain control (AGC) system along with a low-noise microphone bias. It integrates several components: a low-noise preamplifier, a variable gain amplifier (VGA), an output amplifier, a microphone bias generator, and an AGC control circuit, all compactly housed in a 14-pin TDEN package.
Key Features
- Supply Voltage: Operates efficiently within 2.7V to 5.5V at 3mA current
- Gain Settings: Three gain options of 40dB, 50dB, or 60dB ensure adaptability to different audio requirements
- Noise Performance: Exceptional low input-referred noise density of 30nV/√Hz and low total harmonic distortion (THD) of just 0.04% (typical)
- Temperature Range: Qualified for extended operation from -40℃ to +85℃
- Low Power Mode: Features a low power shutdown mode for energy efficiency
- Included Accessories: Each package contains 2 MAX9814 modules and 1 x 10 PIN Female to Male Dupont Cable
Product Specifications
Parcel Dimensions: 15.5 x 6.8 x 1.3 cm; 10 g
Manufacturer: DAOKAI
Model Number: WE-DA-208
Country of Origin: China
ASIN: B0BGXF3FRR
First Available Date: February 3, 2023
- ASIN:
- B0BGXF3FRR
- Brand:
- DAOKAI
- MPN:
- WE-DA-208
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