ad1989a Conexant Systems, Inc., ad1989a Datasheet

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ad1989a

Manufacturer Part Number
ad1989a
Description
Ad1989a High Definition Audio Soundmax Codec
Manufacturer
Conexant Systems, Inc.
Datasheet
DSH-202088A
March 2009
AD1989A
High Definition Audio
SoundMAX Codec
Data Sheet

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ad1989a Summary of contents

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... AD1989A High Definition Audio SoundMAX Codec Data Sheet DSH-202088A March 2009 ...

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... Ordering Information Device Set Order ID Package Type AD1989AJCPZ* QFN *Lead-free (Pb Free) and RoHS compliant Revision History Revision A © , 2009 Conexant Systems, Inc. All Rights Reserved. Information in this document is provided in connection with Conexant Systems, Inc. (“Conexant”) products. These materials are provided by Conexant as a service to its customers and may be used for informational purposes only ...

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... DACs and six 92 dB ADCs, three stereo headphone ports, C/LFE swapping channel digital microphone interface, digital and analog PCBeep, two independent S/PDIF outputs, and a S/PDIF input, making the AD1989A the right choice for PCs where performance is the primary consideration. The jack retasking feature on this product supports various configurations including 5 ...

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Digital and analog PCBeep Multiple EAPD pins for external circuit control 3.3 V analog and digital supply voltages 1.5 V and 3 Audio link signaling Advanced power management modes 4 Conexant DSH-202088A 3/2/09 ...

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... Digital Microphone Interface Timing Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 1.8 HD Audio Widgets 1.9 HD Audio Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 1.10 Default Configuration Bytes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 1.11 Package Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Figures Figure 1. AD1989A Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Figure 2. Uniplex Microphone Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 3. Multiplex Microphone Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 Figure 4. 48-Lead QFN Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Tables Table 1. Typical Desktop Applications with Discreet Jacks (Default Configuration Table 2 ...

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... Conexant AD1989A Data Sheet DSH-202088A 3/2/09 ...

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... High Definition Audio SoundMAX Codec This data sheet provides a general overview of the AD1989A SoundMAX codec’s architecture and functionality. Additional information on the AD1989A is available in the AD1989A Programmers Reference Manual. Please contact your local Conexant sales representative for more information. 1.1 Jack Configuration Use the guidelines shown in functions ...

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... High Definition Audio SoundMAX Codec Table 3. Port Port A Port B Port C Port D Port E Port F Digital Microphone 8 Typical Notebook Application Function Headphone Jack Microphone Jack Internal Analog Microphone (optional) Dock Line-Out/Headphone Dock Line-In Internal Speakers Internal Digital Microphone Conexant AD1989A Data Sheet DSH-202088A 3/2/09 ...

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... AD1989A Data Sheet 1.2 Specifications Table 4. Temperature Digital Supply Analog Supply MIC_BIAS_IN (via Low-Pass Filter) Sample Rate f Input Signal (Frequency Sine Wave) Amplitude for THD + N Analog Output Pass Band DAC ADC Table 5. Line-Out Drive (10 kΩ loads—DAC to Pin) Total Harmonic Distortion (THD + N) Dynamic Range (– ...

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... PGA Gain/Attenuation Range (1) Mute Attenuation Fundamental 10 Min = 8 kHz to 96 kHz Analog-to-Digital Converters (2) Digital-to-Analog Converters (1) (1) DAC Volumes –58.5 ADC Volumes –58.5 Conexant AD1989A Data Sheet Typ Max Unit (1) 0 ±0.005 dB Hz –110 µs 24 Bits ± ...

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... AD1989A Data Sheet Table 6. General Specifications ( Parameter Signal-to-Noise Reduction (SNR) Input to Output Step Size: All Mixer Inputs Input Gain/Attenuation Range: All Mixer Inputs Full-Scale Output Voltage: Line-Out Drive Enabled Ports and Mono Out Full-Scale Output Voltage: Line-Out Drive Enabled Input Voltages— ...

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... GPIO_0, GPIO_1, and GPIO_2 DV GPIO 0 = –500 μ OUT GPIO = +1500 μ OUT DM_Clock = –500 μ OUT GPIO = +1500 μ OUT Conexant AD1989A Data Sheet Min Typ Max Unit High High 1. 2. ...

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... AD1989A Data Sheet Table 6. General Specifications ( Parameter Input Signal High ( Input Signal Low ( Input Leakage Current (Signal High Input Leakage Current (Signal Low Output Signal High ( Output Signal Low ( Input Signal High ( Input Signal Low (V ...

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... Charged devices and circuit boards can discharge without detection. Although this product features patented or proprietary protection circuitry, damage may occur on devices subjected to high energy ESD. Therefore, proper ESD precautions should be taken to avoid performance degradation or loss of functionality. Conexant AD1989A Data Sheet Typ IAV Typ Unit DD ...

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... AD1989A Data Sheet 1.5 Environmental Conditions Ambient Temperature Rating AMB CASE = Case Temperature in °C T CASE PD = Power Dissipation in W θ = Thermal Resistance (Case-to-Ambient) CA θ = Thermal Resistance (Junction-to-Ambient) JA θ = Thermal Resistance (Junction-to-Case) JC All measurements per EIA-JESD51 with 2S2P test board per EIA-JESD51-7. ...

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... RESET 12 PCBEEP AD1989AJCPZ TOP VIEW (Not To Scale Conexant AD1989A Data Sheet 37 PORT-D_R 36 PORT-D_L 35 SENSE_B/SRC_A 34 MIC_BIAS_IN 33 MIC_BIAS-D/EAPD MIC_BIAS-E/EAPD-E 30 SENSE_C 29 MIC_BIAS-C/EAPD-C 28 MIC_BIAS-B/EAPD-B 27 VREF_FLT DSH-202088A ...

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... Description Digital Interface Link Serial Data Output. Clocked on both edges of the BIT_CLK. Link Bit Clock. 24.000 MHz serial data clock. Link Serial Data Input. AD1989A output stream clocked only on one edge of BIT_CLK. Link Frame Sync. Link Reset. Master hardware reset Digital I/O S/PDIF Out or GPIO ...

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... High- 1.65 V, 2.86 V, and 3.00 V (with 3 Pin 33). Voltage Reference Filter. CAUTION: DO NOT APPLY 3 THIS PIN! Filter connection for internal core voltage regulator. This pin must be connected to filter caps: 10 μF, 1.0 μF, and 0.1 μF connected in parallel between Pin 1 and DV (Pin 4). SS Conexant AD1989A Data Sheet DSH-202088A 3/2/09 ...

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... Source for Microphone Bias Circuitry. Connect this pin to 5.0 V via a low-pass filter. When connected this way the AD1989A is capable of providing +3. mic bias to all of the MIC_BIAS pins not available, connect this pin to +3.3 V (AV AD1989A produces a mic bias voltage relative to the AV (typically 3 ...

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... Timing Requirements 667 50/50 500 50/50 333 50/50 100 DATA VALID LEFT DATA VALID RIGHT DATA VALID Conexant AD1989A Data Sheet Typical Maximum Unit LEFT DATA VALID DSH-202088A 3/2/09 ...

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... AD1989A Data Sheet 1.8 HD Audio Widgets (1) Table 12. HD Audio Widgets ( Node ID Name Type ID 00 ROOT x 01 FUNCTION x 02 S/PDIF_1 DAC 0 03 DAC_0 0 04 DAC_1 0 05 DAC_2 0 06 DAC_3 0 07 S/PDIF ADC 1 08 ADC_0 1 09 ADC_1 1 0A DAC_4 1 0B S/PDIF_2 DAC 0 0C ...

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... Microphone boost amp for Port A Audio Selector Microphone boost amp for Port B Audio Selector Microphone boost amp for Port C Audio Selector Microphone boost amp for Port E Audio Selector Microphone boost amp for Port D Conexant AD1989A Data Sheet Description circuitry REF DSH-202088A 3/2/09 ...

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... AD1989A Data Sheet 1.9 HD Audio Parameters Table 13. Root and Function Node Parameters Node ID Name Vendor ROOT 11D4989A 01 FUNCTION FOOTNOTES: (1) Subject to change with silicon stepping. Table 14. SubSystem ID Node ID Name 01 FUNCTION BFD80000 GENERAL NOTES: 1. The default SSID is overwritten by platform BIOS after power on preserved across HD Audio link reset and verb reset. ...

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... Special 3 CD Internal Special 3 Other External Rear S/PDIF Out External Rear S/PDIF In Internal Special 2 Digital Out Internal Special 1 Mic In External Rear Line Out Conexant AD1989A Data Sheet 19:16 15:12 8 7:4 3:0 Def Color JD Sequence Type Assn 1/8” Jack Green 1/8” Jack Green ATAPI ...

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... AD1989A Data Sheet 1.11 Package Dimensions Dimensions are shown in millimeters. Figure 4. 48-Lead QFN Package 48-Lead Lead Frame Chip Scale Package [LFCSP_VQ] 7.00 BSC SQ PIN 1 INDICATOR TOP VIEW 0.80 MAX 1.00 12° MAX 0.65 TYP 0.85 0.80 0.50 BSC SEATING PLANE COMPLIANT TO JEDEC STANDARDS MO-220-VKKD-2 DSH-202088A 3/2/09 48-Lead QFN Package Body, Very Thin Quad ...

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... High Definition Audio SoundMAX Codec 26 Conexant AD1989A Data Sheet DSH-202088A 3/2/09 ...

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General Information: U.S. and Canada: (888) 855-4562 International: (949) 483-4600 Headquarters – Newport Beach 4000 MacArthur Blvd. Newport Beach, CA 92660 ...

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