ad1984a Analog Devices, Inc., ad1984a Datasheet
ad1984a
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ad1984a Summary of contents
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... Mono out pin for internal speakers or telephony S/PDIF DIGITAL PCBEEP 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 AD1984A PORT A HP PORT D HP MONO OUT PORT E PORT F PCBEEP PORT B ...
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... AD1984A TABLE OF CONTENTS Features ................................................................. 1 Revision History ...................................................... 2 General Description ................................................. 3 Additional Information .......................................... 3 Jack Configuration ................................................ 3 AD1984A Specifications ............................................ 4 Test Conditions .................................................... 4 Performance ........................................................ 4 General Specifications ............................................ 4 HD Audio Link Specification ................................... 7 Power-Down States ............................................... 7 Absolute Maximum Ratings .................................... 8 ESD Caution ........................................................ 8 Environmental Conditions ...................................... 8 Pin Configuration and Function Descriptions ................. 9 Digital Microphone Interface Timing Specifications ....... 12 HD Audio Widgets ...
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... See Guide on Page 19. ADDITIONAL INFORMATION This data sheet provides a general overview of the AD1984A SoundMAX codec’s architecture and functionality. Detailed widget information is available in the AD1984A Programmers Reference Manual. Please contact your local Analog Devices, Inc ...
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... AD1984A AD1984A SPECIFICATIONS TEST CONDITIONS Parameter Temperature Digital Supply Analog Supply MIC_BIAS_IN (via Low-Pass Filter) Sample Rate F S Input Signal (Frequency Sine Wave) Amplitude for THD + N Analog Output Pass Band 1 DAC ADC 1 DAC/ADC tests are performed with AES-17 filter enabled. PERFORMANCE Parameter Line-Out Drive (10 kΩ ...
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... AD1984A Unit Bits % rms V p-p Ω kΩ rms V p-p Ω Ω rms V p-p V rms V p-p V rms V p-p V rms V p-p kΩ ...
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... AD1984A 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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... Powering down the MIC_BIAS powers down all port MIC_BIAS pins. This disables all microphone bias circuits set to 100% or 50%, setting them to the high-Z state. The 0 V and high-Z states remain unaffected by the MIC_BIAS power state. 1 100 mV p-p Signal @ 1 kHz Typ (1.7 V) VDD 36 15.75 7.5 3 4.5 4 VDD. Rev Page April 2008 AD1984A Min Typ Max 3.13 3.30 3.46 75.9 23 2.97 3.30 3.63 141.9 43 1.615 1.70 1.995 ...
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... AD1984A 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 AD1984AJCP TOP VIEW (Not To Scale Figure 2. AD1984A 48-Lead Package and Pinout Rev Page April 2008 37 PORT-D_R 36 PORT-D_L 35 SENSE_B/SRC_A 34 MIC_BIAS_IN 33 32 MONO_OUT 31 MIC_BIAS-E/GPIO_1 30 GPIO_2 29 MIC_BIAS-C 28 MIC_BIAS-B 27 VREF_FLT ...
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... Link Serial Data Output. AD1984A 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. AD1984A output stream clocked only on one edge of BIT_CLK. Link Frame Sync. I Link Reset. AD1984A master hardware reset. I ...
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... Pin 33), high- 1.65 V, 2.86 V, and 3.0 V (with 3 Pin 33). Source Power for Microphone Bias Boost Circuitry. I Connect this pin to 5.0 V via a low-pass filter. When connected this way the AD1984A 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 I/O CAUTION: DO NOT APPLY 3 ...
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... AD1984A DIGITAL MICROPHONE INTERFACE TIMING SPECIFICATIONS The digital microphone interface can support one or two digital microphones using two or three codec pins. Both uniplex (one microphone per data pin) and multiplex (two microphones sharing the same data pin) are supported. The timing for these Table 5 ...
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... DM_CLK t 3 DM_1/2 LEFT DATA VALID Figure 5. Multiplex Microphone Timing Rev Page April 2008 RIGHT DATA VALID AD1984A t 2 LEFT DATA VALID ...
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... AD1984A HD AUDIO WIDGETS 1 Table 6. HD Audio Widgets Node ID Name Type ID 0x00 ROOT x 0x01 FUNCTION x 0x02 S/PDIF DAC 0 0x03 DAC_0 0 0x04 DAC_1 0 0x07 Port A Mixer 2 0x08 ADC_0 1 0x09 ADC_1 1 0x0A Port D Mixer 2 0x0B Port F Mixer 2 0x0C ADC Selector 0 3 0x0D ADC Selector 1 ...
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... Sub Node Count 0x0010 0400 0x0001 0001 0x0002 0029 Type Value Function 0xBFD4 0000 Rev Page April 2008 Func. Group Type Audio F.G. Caps 05 08 0x0000 0001 0x0001 0C0C 31:16 15:8 7:0 SSID SKU ASM ID 0xBFD4 0x00 0x00 AD1984A GPIO Caps 11 0x4000 0003 ...
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... AD1984A WIDGET PARAMETERS Table 9. Widget Parameters Widget PCM Size, Node Capabilities Rate ID 0x09 0x0A 0x01 0x0000 04C0 0x000E 07FF 0x02 0x0003 0211 0x000E 07E0 0x03 0x0000 0405 0x000E 07FF 0x04 0x0000 0405 0x000E 07FF 0x07 0x0020 0103 0x08 0x0010 0501 0x000E 07FF ...
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... Rev Page April 2008 AD1984A NID R NID R NID R NID R NID 0x17 0x17 0x19 0x1A 0x1C 0x1E 1 0x26 0x03 0x04 ...
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... AD1984A DEFAULT CONFIGURATION BYTES Table 11. Default Configuration Bytes Node ID Name 0x11 Port A (Headphone) 0x12 Port D (Line Out) 0x13 Mono Out 0x14 Port B (Mic In) 0x15 Port C (Line In) 0x16 Port F (Aux In/Out) 0x17 Dig Mic Pin 0x1A Analog PCBeep 0x1B S/PDIF Out-1 0x1C Port E (Dock I/O) Table 11 ...
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... Figure 6. 48-Lead Lead Frame Chip Scale Package [LFCSP_VQ Body, Very Thin Quad (CP-48-1) Dimensions shown in millimeters Package Description 48-Lead LFCSP_VQ 48-Lead LFCSP_VQ, 13” Tape and Reel Rev Page April 2008 0.30 0.23 0.60 MAX 0.18 PIN 1 INDICATOR 48 1 EXPOSED 5.25 PAD 5.10 SQ (BOTTOM VIEW) 4. 0.25 MIN 5.50 REF Package Option CP-48-1 CP-48-1 AD1984A ...
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... AD1984A ©2008 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D07399-0-4/08(0) Rev Page April 2008 ...