Description

The AD1981B is an electronic component model in the product category of Interface - CODECs. It is AC '97 2.3 compatible and has various features such as S/PDIF output, integrated stereo headphone amplifier, and high-quality CD input. It also supports power management and comes in a 48-Lead LQFP package.

Specifications and features

- AC '97 2.3 compatible
- S/PDIF Output, 20 Bits Data Format, Supporting 48 kHz and 44.1 kHz Sample Rates
- Integrated Stereo Headphone Amplifier
- Variable Sample Rate Audio
- External Audio Power-Down Control
- Greater than 90 dB Dynamic Range
- Stereo Full-Duplex Codec
- 20-Bit PCM DAC
- 3 Analog Line-Level Stereo Inputs for Line-In, AUX, and CD
- Mono Line-Level Phone Input
- Dual MIC Input with Built-In Programmable Preamp
- High Quality CD Input with Ground Sense
- Mono Output for Speakerphone or Internal Speaker
- Power Management Support
- 48-Lead LQFP Package, Lead-Free Available

Application Scenarios

The AD1981B can be used in various scenarios including audio interfaces, multimedia devices, and communication systems. It is suitable for applications that require high-quality audio playback and recording.

Comparison

- AC '97 2.3 compatibility
- S/PDIF output for high-quality audio transmission
- Integrated stereo headphone amplifier for enhanced audio experience
- Variable sample rate audio for flexible audio playback
- Power management support for efficient power usage
- Multiple analog line-level inputs for versatile audio connectivity - Limited to a 48-Lead LQFP package, may not be suitable for all form factors
- Requires external audio power-down control for certain functionalities
- Split power supplies (3.3V digital and 5V analog) may require additional circuitry