Key facts
- Brand
- Analog Devices
- Model
- AD1885
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2012-04-07
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Analog Devices AD1885 AC’97 SoundMAX® Codec Datasheet
The AD1885 codec meets the AC’97 2.1 specification and adds features such as a built‑in headphone driver, PHAT 3‑D stereo enhancement, and flexible power‑management modes. It supports up to three codecs on a single link and offers independent sample‑rate control for each channel from 7.04 kHz to 48 kHz.
The device provides four stereo line‑level inputs, two mono microphone inputs with 20 dB pre‑amp, and a mono output for speakerphone or internal speaker. Detailed pin descriptions, ordering information, and recommended application circuits are included for designers.
Analog Devices AD1885 specifications
| Dynamic Range (Analog Input) | 90 dB |
|---|---|
| Sample Rate Range | 7040 Hz – 48 kHz (1 Hz resolution) |
| Analog Supply Voltage (AVDD) | 4.75 V – 5.25 V |
| Digital Supply Voltage (DVDD) | 3.15 V – 3.45 V |
| Output Impedance (LINE_OUT) | 800 Ω |
Source: Analog Devices AD1885 AC’97 SoundMAX® Codec Datasheet
All Analog Devices AD1885 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What is the dynamic range of the AD1885 codec?
The AD1885 provides a dynamic range of 90 dB for analog inputs.
What are the recommended supply voltages for the AD1885?
The analog supply (AVDD) should be 4.75 V to 5.25 V and the digital supply (DVDD) 3.15 V to 3.45 V.
What is the maximum sample rate of the AD1885?
The AD1885 supports sample rates up to 48 kHz with 1 Hz resolution.
What analog supply voltage range does the AD1885 require?
The analog supply (AVpp) should be between 4.75 V and 5.25 V.