AD1984 Analog Devices, Inc., AD1984 Datasheet
AD1984
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AD1984 Summary of contents
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... DM_CLK Figure 1. Functional Block Diagram One Technology Way, P.O.Box 9106, Norwood, MA 02062-9106 U.S.A. Tel: 781.329.4700 Fax: 781.461.3113 High Definition Audio ® SoundMAX Codec AD1984 AD1984 PORT A PORT D MONO OUT PORT E PORT F PCBEEP PORT C PORT B www.analog.com ©2007 Analog Devices, Inc. All rights reserved. ...
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... HD–Audio Link Specification ..................................... 7 Power Down States .................................................. 7 Absolute Maximum Ratings ....................................... 8 ESD Sensitivity ........................................................ 8 Environmental Conditions ......................................... 8 Pin Configuration and Function Descriptions ................. 9 Digital Microphone Interface Timing Specifications ....... 12 HD Audio Widgets ................................................ 16 AD1984 HD Audio Parameter .................................. 17 Outline Dimensions ............................................... 20 Ordering Guide ..................................................... 20 REVISION HISTORY 1/07–Rev 0: Initial version Rev Page January 2007 ...
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... Digital Beep and analog PCBeep. These features make the AD1984 the right choice for desktop and notebook PCs where performance is key. The AD1984 is available in a 48-lead, Pb-free frame chip scale package in both reels and trays. See Ordering Guide on Page ...
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... AD1984 AD1984 SPECIFICATIONS TEST CONDITIONS Parameter Test Condition Temperature 25°C Digital Supply 3.3 V Analog Supply 3.3 V MIC_BIAS_IN (via Low-Pass Filter) 5.0 V Sample Rate F 48 kHz S Input Signal (Frequency Sine Wave) 1008 Hz Amplitude for THD + N –3.0 dB Full Scale Analog Output Pass Band kHz ...
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... AD1984 Unit Bits % rms V p rms V p rms V p rms V p rms V p rms ...
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... AD1984 Parameter MICROPHONE BIAS MIC_BIAS-B, MIC_BIAS-C MIC_BIAS_IN (Pin 33 +3.3 V MIC_BIAS_IN (Pin 33 MIC_BIAS_IN (Pin 33) = +3.3 V MIC_BIAS-E (When enabled as BIAS) Output Drive Current GPIO 0 Input Signal High ( Input Signal Low ( Output Signal High ( Output Signal Low ( Input Leakage Current (Signal High) (I ...
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... Hi-Z states remain unaffected by the MIC_BIAS power state. ID Typ VDD Mixer and MIC_BIAS nodes which have independent power controls. V REF VDD. Rev Page January 2007 AD1984 IA Typ Unit VDD ...
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... AD1984 ABSOLUTE MAXIMUM RATINGS Stresses greater than those listed below may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability ...
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... PCBEEP AD1984JCPZ TOP VIEW (Not To Scale Figure 2. AD1984 48-Lead Package and Pinout Rev Page January 2007 37 PORT-D_R 36 PORT-D_L 35 SENSE_B/SRC_A 34 MIC_BIAS_IN 33 MONO_OUT 32 31 GPIO_1/MIC_BIAS-E 30 GPIO_2 29 MIC_BIAS-C 28 MIC_BIAS-B 27 VREF_FILT ...
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... Link Serial Data Output. AD1984 input stream. Clocked on both edges of the BIT_CLK. I Link Bit Clock. 24.000 MHz serial data clock . I/O Link Serial Data Input. AD1984 output stream clocked only on one edge of BIT_CLK. I Link Frame Sync. I Link Reset. AD1984 master hardware reset. ...
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... I Source power for microphone bias boost circuitry. Connect this pin to 5.0 V via a low-pass filter. When connected this way the AD1984 is capable of providing +3 mic bias to all of the mic bias pins (except on Pin 31 not available, connect this pin to +3.3 V (AV The AD1984 produces a mic bias voltage relative to the AV (typically 3 ...
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... AD1984 DIGITAL MICROPHONE INTERFACE TIMING SPECIFICATIONS The digital microphone interface can support one, two, or four digital microphones using two or three codec pins. Both uniplex (one mic per data pin) and multiplex (two mics sharing the same data pin) are supported. These configurations are shown Table 4 ...
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... GAM = GAIN , ATTENUATE, MUTE DM-CLK GENERATOR SWAP L/R Figure 4. Uniplex Microphone, Stereo Interface DATA VALID Figure 5. Uniplex Microphone Timing Rev Page January 2007 LEFT GAM NID:05 DIGITAL F ILTER RIGHT GAM LEFT GAM NID:06 DIGITAL F ILTER RIGHT GAM t 2 AD1984 ...
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... AD1984 OFF -CHIP MIC 1 DM_1/2 MIC 2 DM_3/4 DM_CLK OFF-CHIP ON CHIP MIC 1 DM_1/2 MIC 2 MIC 3 DM_3/4 MIC 4 DM_CLK ON CHIP D Q > MUX > > > GAM = GAIN , ATTENUATE, MUTE DM-CLK GENERATOR SWAP L/R Figure 6. Multiplex Digital Microphone, Stereo Interface D Q > MUX > ...
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... DM_CLK MIC 1 DATA VALID t 5 DM_1/2 DM_3 MIC 2 DATA VALID t 5 Figure 8. Multiplex Microphone Timing Rev Page January 2007 AD1984 t 2 MIC 1 DATA VALID t 6 ...
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... AD1984 HD AUDIO WIDGETS Table 5. HD Audio Widgets Node ID Name Type ID 00 ROOT x 01 FUNCTION x 02 S/PDIF DAC 0 03 DAC_0 0 04 DAC_1 0 05 Dig Mic Conv 1 Dig Mic Conv 3 Port A Mixer 2 08 ADC_0 1 09 ADC_1 1 0A Port D Mixer 2 0B Port F Mixer ...
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... AD1984 HD AUDIO PARAMETER Table 6. Root and Function Node Parameters Node ID Name Type 00 ROOT Root 01 FUNCTION Function 1 Table 7. SubSystem ID 31:16 15:8 SSID SKU 01 FUNCTION BFD4 00 1 The SSID value is set on codec power-up only. SSID is not reset by link or soft reset in order to preserve modifications by BIOS control. ...
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... AD1984 Table 8. Widget Parameters (Continued) Widget PCM Size, Node Capabilities Rate 00300101 24 00200103 25 0030010D 26 00F00100 Table 9. Connection List Connections Node ID [0–3] [4–7] [8–11] 02 00090801 00000017 06 00000018 07 00002122 08 0000000C 09 0000000D 0A 00002104 0B 0000210F 0C 25209614 0D 25209614 0E 00000403 0F 00000403 10 11 00000007 ...
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... Top Mic In Other Digital Unknown 1 Internal Top Mic In Other Digital Unknown 1 Internal N/A other ATAPI External Rear SPDIF Out Optical Separate Rear Mic In 1/8" Jack Rev Page January 2007 AD1984 15:12 8 7:4 3 Def Assn. Seq. Green Unknown Unknown Pink 0 F ...
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... Figure 9. 48-Lead, Pb-Free, Frame Chip Scale Package [LFCSP_VQ] ORDERING GUIDE Model Temperature Range 1 AD1984JCPZ 0°C to 70°C 1 AD1984JCPZ-REEL 0°C to 70° Pb-free part. ©2007 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. 7.00 BSC SQ ...