AD1984B: High Definition Audio SoundMAX Codec
The AD1984B audio codec and SoundMAX® software provide superior high definition audio quality that exceeds Vista Premium performance. The AD1984B has two 192 kHz DAC pairs, two 192 kHz ADC pairs, dual ...More
AD1984B: High Definition Audio SoundMAX Codec
Product Description
The AD1984B audio codec and SoundMAX® software provide superior high definition audio quality that exceeds Vista Premium performance. The AD1984B has two 192 kHz DAC pairs, two 192 kHz ADC pairs, dual S/PDIF outputs, a 2-channel digital microphone interface, and digital and analog PCBeep. These features make the AD1984B the right choice for desktop and notebook PCs where performance is key. For more information on SoundMAX codecs and software see the Analog Devices, Inc., website at www.analog.com/soundMAX.
The AD1984B has two S/PDIF outputs can connect to both S/PDIF jacks and external HDMI encoder devices.
The AD1984B is available in a 48-lead, RoHS compliant frame chip scale package in both reels and trays.
Quick Links
- Data Sheet Rev 0, 02/2008, (pdf, 298 kB)
- (About Data Sheets)
- Lead(Pb) - Free Data
Features
- Microsoft Vista Premium Logo for desktop
96+ dB audio outputs, 90 dB audio inputs
WLP 3.0 and 4.0 - Security feature prevents unauthorized recording
- 2 stereo headphone amplifiers
- Internal 32-bit arithmetic for greater accuracy
- Impedance and presence detection on all jacks
- Full analog mixer with DAC inputs
- 3 independent microphone bias pins
- Digital and analog PCBeep
- 3 general-purpose digital I/O (GPIO) pins
- 3.3 V analog supply voltage
- 1.7 V to 1.9 V or 3.3 V digital supply voltages
- 3.3 V HD-Audio link signaling voltage
- Advanced power management modes
- 48-lead LFCSP_VQ package
Diagrams
- Enlarge
- Symbols and Footprints
Functional Block Diagram for AD1984B
High Definition Audio SoundMAX Codec
Functional Block Diagram for AD1984B
SSM2604 - Low Power Audio Codec
AD1884A - Audio CODEC, 4DACs/4ADCs, exceeds Microsoft Vista Premium performance for notebooks
AD1883 - HD Audio CODEC, 4DACs/4ADCs, exceeds Microsoft Vista Premium performance for notebooks
SSM2602 - Low Power Audio Codec
| Part# | # DAC | DAC DNR (dB) | # of ADCs | ADC DNR (dB) | Product Description | Price* (1000-4999) |
|---|---|---|---|---|---|---|
| AD1819B | 2 | 90 | 2 | 87 | AC '97 Compliant Serial-Port CODEC | $5.77 |
| AD1845 | 2 | 74 | 2 | 73 | Parallel-Port 16-Bit SoundPort Stereo Codec | $8.66 |
| AD1881A | 2 | 90 | 2 | 87 | AC '97 Compliant CODEC | $3.93 |
| AD1882 | 6 | 95 | 4 | 90 | HD Audio | $2.44 |
| AD1883 | 4 | 90 | 4 | 85 | HD Audio CODEC, 4DACs/4ADCs, exceeds Microsoft Vista Premium performance for notebooks | $2.45 |
| AD1884 | 4 | 90 | 4 | 85 | HD Audio | $2.38 |
| AD1884A | 4 | 90 | 4 | 85 | Audio CODEC, 4DACs/4ADCs, exceeds Microsoft Vista Premium performance for notebooks | $2.45 |
| AD1885 | 2 | 90 | 2 | 87 | AC '97 Compliant CODEC | $3.06 |
| AD1886A | 2 | 90 | 2 | 87 | AC '97 Compliant CODEC | $4.85 |
| AD1888 | 6 | 90 | 2 | 80 | AC '97 Compliant CODEC | $2.22 |
| AD1980 | 6 | 90 | 2 | 82 | AC '97 Compliant CODEC | $2.48 |
| AD1981B | 2 | 90 | 2 | 85 | AC '97 Compliant CODEC | $2.62 |
| AD1981BL | 2 | 90 | 2 | 83 | AC '97 Compliant Low Power CODEC | $3.08 |
| AD1981HD | 2 | 90 | 2 | 85 | HD Audio CODEC with SPDIF | $2.57 |
| AD1983 | 2 | 90 | 2 | 85 | 2 Ch HD Audio Codec Single Chip | $2.50 |
| AD1984 | 4 | 96 | 4 | 90 | HD Audio | $3.11 |
| AD1984A | 4 | 96 | 4 | 90 | Audio CODEC, 4DACs/4ADCs, exceeds Microsoft Vista Premium performance for notebooks | $2.79 |
| AD1984B | 4 | 96 | 4 | 90 | HD Audio CODEC, 4DACs/4ADCs, exceeds Microsoft Vista Premium performance | $3.15 |
| AD1986 | 6 | 90 | 2 | 85 | AC '97 Compliant CODEC | $3.69 |
| AD1986A | 6 | 90 | 2 | 85 | HD Audio and AC '97 Compliant CODEC | $2.44 |
| AD1987 | 8 | 95 | 4 | 90 | HD Audio Codec, 8 DACs/4ADCs, Exceeds Microsoft Vista Premium Performance | $2.72 |
| AD1988A | 10 | 95 | 4 | 90 | HD Audio | $2.85 |
| AD1988B | 10 | 101 | 6 | 92 | HD Audio | $3.21 |
* The pricing listed here is provided only for budgetary purposes as recommended list price in U.S.
Dollars in the United States ex factor per unit for the stated volume. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
** Pricing is currently unavailable. Click on the product number to see the Product Page for additional information.
AD1984B Model Options
| Model | Status | Package | Pins | Temp. Range |
Price* (1000 pcs.) |
Available | ROHS Compilant | Samples Cart | Purchase Cart |
|---|---|---|---|---|---|---|---|---|---|
| AD1984BJCPZ | Prodn | 48 ld LFCSP 7x7mm (5.25EP) | 48 | Comm. | $3.15 | 08/29/2008 |
Y
Material Declaration |
Add To Cart | Add To Cart |
| AD1984BJCPZ-RL | Prodn | 48 ld LFCSP 7x7mm (5.25EP) | 48 | Comm. | $3.30 | 08/29/2008 |
Y
Material Declaration |
Contact ADI | Add To Cart |
Help
- Pre-Release: The model has not been released to general production, but samples may be available.
- Production: The model is currently being produced, and generally available for purchase and sampling.
- Last Time Buy: The model has been scheduled for obsolescence, but may still be purchased for a limited time.
- Obsolete: The specific part is obsolete and no longer available. Other models listed in the table may still be available (if they have a status that is not obsolete).
For detailed drawings and chemical composition please consult our Package Site
- Commercial: 0 to +70 degrees Celsius
- Military : -55 to +125 degrees Celsius
- Industrial: Temperature ranges may vary by model. Please consult the datasheet for more information.
- Automotive: -40 to +125 degrees Celsius
The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

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