92HD81 Overview
The 92HD81 single-chip audio system is a low power optimized, high fidelity, 4-channel audio codec with integrated speaker amplifier, capless headphone amplifier, and low drop out voltage regulator. The high integration of the 92HD81 enables the smallest PCB footprint with the lowest system BOM count and cost. The integrated high-pass filter allows for speaker protection.
92HD81 Key Features
- 4 Channels (2 stereo DACs and 2 stereo ADCs) with 24-bit resolution
- Supports full-duplex stereo audio and simultaneous VoIP
- Provides a mono output
- 2W/channel stereo speaker amplifier @ 4 ohms and 4.75V
- Two headphone amplifiers
- One capless and one non-capless retaskable
- Internal core voltage regulator
- 1.5V to 1.8V or 3.3V digital power supply options
- +5 V analog power supply option
- Dedicated BTL high pass filter for speaker protection (RA revision only)
92HD81 Applications
- 4 Channels (2 stereo DACs and 2 stereo ADCs) with 24-bit resolution
- Supports full-duplex stereo audio and simultaneous VoIP
- Provides a mono output
