ES7242

The ES7242 is a high-performance, low-power 24-bit stereo audio ADC (Analog-to-Digital Converter) from Everest Semiconductor. It supports sample rates up to 192kHz and features a high signal-to-noise ratio (SNR) of 112dB, making it ideal for professional audio recording, consumer electronics, and embedded systems.
Key features include:
- Low power consumption (~10mW at 3.3V)
- I2S/PCM output interface for easy digital audio integration
- On-chip digital filters for noise reduction
- Wide supply voltage range (2.7V–3.6V)
The ES7242 is commonly used in USB microphones, voice assistants, and audio interfaces due to its compact size (QFN-16 package) and high fidelity. It supports single-ended or differential inputs, enhancing flexibility in circuit design.
For detailed specifications, refer to the datasheet or Everest Semiconductor’s official documentation.

The ES7242 is an audio ADC chip. Equivalent alternatives include:
- ES7241 (similar specs, lower channel count)
- ES7243 (higher performance variant)
- AK5720VT (AKM Semiconductor)
- PCM1808 (Texas Instruments)
- WM8782 (Wolfson/Cirrus Logic)
These chips offer comparable audio ADC functionality but may vary in features like SNR, sampling rate, or interface options. Check datasheets for exact compatibility.

The ES7242 is a high-performance, low-power stereo audio ADC (Analog-to-Digital Converter) with the following key features:
- Resolution: 24-bit, supporting sample rates up to 192kHz.
- Dynamic Range (DNR): Up to 108dB, ensuring high-fidelity audio capture.
- Low Power: Operates at 3.3V, ideal for portable and battery-powered devices.
- Digital Interface: Supports I2S, TDM, and PDM output formats for flexible system integration.
- Integrated Features: Includes a programmable gain amplifier (PGA), digital filters, and automatic level control (ALC).
- Low Noise: High SNR (Signal-to-Noise Ratio) for clear audio recording.
- Applications: Used in voice assistants, smart speakers, and audio recording equipment.
Its compact size and low power consumption make it suitable for consumer electronics and IoT audio applications.

The ES7242 is a 24-pin stereo audio ADC (Analog-to-Digital Converter). Key functions include:
- Pin Count: 24 pins (LQFP package).
- Functions:
- Supports 24-bit resolution with up to 192kHz sampling rate.
- Stereo input (2-channel ADC) with differential or single-ended analog inputs.
- I2S/PCM digital output interface for audio data.
- Low power consumption, suitable for portable devices.
- Includes MIC bias and PGA (Programmable Gain Amplifier) for signal conditioning.
- Controlled via I2C or 3-wire serial interface.
Common applications: microphones, recorders, and audio capture systems.

The ES7242 is a high-performance audio ADC (Analog-to-Digital Converter) commonly used in:
1. Smart Speakers & Voice Assistants – For clear voice capture and processing.
2. Conference Systems – Enables high-quality audio recording in meetings.
3. IoT Devices – Supports voice control in smart home products.
4. Wireless Microphones – Ensures low-noise, high-fidelity audio conversion.
5. Automotive Voice Systems – Used in-car voice recognition and communication.
Its low power consumption, high SNR, and compact design make it ideal for embedded audio applications.

The ES7242 is typically available in a QFN-32 package (Quad Flat No-lead, 32 pins). This compact surface-mount package is suitable for space-constrained designs, offering good thermal and electrical performance. Key dimensions are usually around 5mm × 5mm with a pitch of 0.5mm. Check the datasheet for exact specifications.