Key facts
- Brand
- Analog Devices
- Model
- AD1984
- Category
- Audio Codec
- Documents
- 3
- Languages
- EN
- Last added
- 2012-03-27
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Analog Devices AD1984B Audio Codec Datasheet
The AD1984B is a high‑definition audio codec featuring two 192 kHz DAC pairs, two 192 kHz ADC pairs, dual S/PDIF outputs, and a digital microphone interface. It is offered in a 48‑lead LFCSP_VQ package for desktop and notebook PCs.
The datasheet provides detailed specifications, pin configurations, power‑down states, and default configuration bytes, along with ordering information and mechanical dimensions.
Analog Devices AD1984 specifications
| Sample Rate (Test Condition) | 48 kHz |
|---|---|
| DAC Resolution | 24 bits |
| ADC Resolution | 24 bits |
| Signal‑to‑Noise Ratio (Line‑Out) | 96 dB |
| Analog Supply Voltage | 3.3 V ±5 % |
| Package Type | 48‑lead LFCSP_VQ |
All Analog Devices AD1984 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
How many DAC and ADC pairs are in the AD1984B?
The device contains two independent stereo DAC pairs and two independent stereo ADC pairs.
What is the package type of the AD1984B?
It is supplied in a 48‑lead LFCSP_VQ (frame chip scale) package.
What is the audio resolution of the AD1984A?
Both the ADC and DAC sections operate at 24‑bit resolution.
What is the maximum THD+N for the line‑out output?
The line‑out THD+N is specified as –86 dB.
What sample rates does the AD1984 support?
The AD1984 supports sample rates from 8 kHz up to 192 kHz, including common rates such as 44.1 kHz, 48 kHz, 96 kHz, 176.4 kHz and 192 kHz.
What is the analog supply voltage range for the AD1984?
The analog supply voltage is specified as 3.3 V with a tolerance of ±5 %.