IC CODEC HD AUDIO 4CH 48-LFCSP

AD1984JCPZ

Manufacturer Part NumberAD1984JCPZ
DescriptionIC CODEC HD AUDIO 4CH 48-LFCSP
ManufacturerAnalog Devices Inc
SeriesSoundMAX®
TypeAudio Codec, HD
AD1984JCPZ datasheet
 


Specifications of AD1984JCPZ

Data InterfaceSerialResolution (bits)24 b
Number Of Adcs / Dacs4 / 4Sigma DeltaNo
Voltage - Supply, Analog3.13 V ~ 3.46 VVoltage - Supply, Digital2.97 V ~ 3.63 V
Operating Temperature0°C ~ 70°CMounting TypeSurface Mount
Package / Case48-VFQFN, CSP Exposed PadSingle Supply Voltage (typ)3.3V
Single Supply Voltage (min)2.97/3.13VSingle Supply Voltage (max)3.46/3.63V
Package TypeLFCSP EPLead Free Status / RoHS StatusLead free / RoHS Compliant
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FEATURES
FOUR 192 kHz DACs/ADCs
Two independent stereo DAC/ADC pairs
Simultaneous record of two stereo channels
Simultaneous playback of two stereo channels
Independent 8, 11.025, 16, 22.05, 32, 44.1,
48, 88.2, 96, 176.4, and 192 kHz sample rates
16, 20, and 24-bit resolution
Selectable stereo mixer on outputs
4-CHANNEL DIGITAL MICROPHONE INTERFACE
Four 192 kHz digital microphone channels
Supports multiple microphone types
Two microphones per pin (four total)
One microphone per pin (two total)
Low pin count, uses 3 pins
Stereo or quad array support
8, 11.025, 16, 22.05, 32, 44.1, 48, 88.2, 96,
176.4, and 192 kHz sample rates
16, 20, and 24-bit resolution
H
DAC1
D
DAC0
A
U
D
S/PDIF OUT
I
O
DIGITAL
I
MICROPHONE
N
T
E
DIGITAL
PCBEEP
R
F
A
C
ADC0
E
ADC1
Rev. 0
Information furnished by Analog Devices is believed to be accurate and reliable.
However, no responsibility is assumed by Analog Devices for its use, nor for any
infringements of patents or other rights of third parties that may result from its use.
Specifications subject to change without notice. No license is granted by implication
or otherwise under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective owners.
S/PDIF OUTPUT
Supports 44.1, 48, 88.2, 96, 176.4, and 192 kHz sample rates
16, 20, and 24-bit data; PCM, and AC3 formats
Digital PCM gain control
DEDICATED AUXILLARY PINS
Stereo CD/auxillary I/O port w/GND sense
Stereo auxillary/dock I/O port
Mono out pin for internal speakers or telephony
ENHANCED FEATURES
Two stereo headphone amplifiers
Microsoft Vista premimum logo for notebook and desktop
96+ dB audio outputs, 90+ dB audio inputs
Internal 32-bit arithmetic for greater accuracy
Impedance and presence detection on all jacks
Three independent microphone bias pins
Digital and analog PCBeep
Three general-purpose digital I/O (GPIO) pins
3.3 V analog and digital supply voltages
Advanced power management modes
48-lead, Pb-free LFCSP_VQ package
HP
HP
DM_1/2
DM_3/4
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.

AD1984JCPZ Summary of contents

  • Page 1

    FEATURES FOUR 192 kHz DACs/ADCs Two independent stereo DAC/ADC pairs Simultaneous record of two stereo channels Simultaneous playback of two stereo channels Independent 8, 11.025, 16, 22.05, 32, 44.1, 48, 88.2, 96, 176.4, and 192 kHz sample rates 16, ...

  • Page 2

    AD1984 CONTENTS AD1984 Specifications .............................................. 4 Test Conditions ....................................................... 4 Performance ........................................................... 4 General Specifications ............................................... 4 HD–Audio Link Specification ..................................... 7 Power Down States .................................................. 7 Absolute Maximum Ratings ....................................... 8 ESD Sensitivity ........................................................ 8 Environmental Conditions ......................................... 8 ...

  • Page 3

    GENERAL DESCRIPTION The AD1984 family of audio codecs and SoundMAX® software provides superior High Definition audio quality that exceeds Vista Premium performance. The AD1984 has four 192 kHz DACs, four 192 kHz ADCs, S/PDIF output, a four-channel digi- tal microphone ...

  • Page 4

    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 ...

  • Page 5

    Parameter DIGITAL-TO-ANALOG CONVERTERS Resolution Gain Error (Full Scale Span Relative to Nominal Input Voltage) Interchannel Gain Mismatch (Difference of Gain Errors) Total Audible Out-of-Band Energy (Measured from 0.6 × f DAC Crosstalk (Input L, Zero R, Measure R_OUT; Input R, ...

  • Page 6

    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 ...

  • Page 7

    HD–AUDIO LINK SPECIFICATION High-definition audio signals comply with the High-definition Audio specification. Please refer to these specifications at: http://www.intel.com/standards/hdaudio/ POWER DOWN STATES Parameter Function node in D0, all nodes active 1 Function node in D3 Codec in RESET Individual block ...

  • Page 8

    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 ...

  • Page 9

    ... PIN CONFIGURATION AND FUNCTION DESCRIPTIONS 48 DV CORE 1 DM_1 I/O DM_3/4 4 SDATA_OUT 5 BIT_CLK SDATA_IN SYNC 10 RESET 11 12 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 ...

  • Page 10

    AD1984 Table 3. AD1984 Pin Descriptions Mnemonic Pin No. DIGITAL INTERFACE SDATA_OUT 5 BIT_CLK 6 SDATA_IN 8 SYNC 10 RESET 11 DIGITAL I/O DM_1/DM_2 2 DM_3/DM_4 4 DM_CLK 46 GPIO_2 30 GPIO_1/MIC_BIAS-E 31 GPIO_0/EAPD 47 S/PDIF_OUT 48 JACK SENSE AND ...

  • Page 11

    Table 3. AD1984 Pin Descriptions (Continued) Mnemonic Pin No. FILTER/REFERENCE V _FILT 27 REF MIC_BIAS-B 28 MIC_BIAS CORE POWER AND GROUND 3.3 V 25, ...

  • Page 12

    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) ...

  • Page 13

    OFF -CHIP ON CHIP MIC 1 DM_1/2 MIC 2 DM_3/4 DM_CLK DM_CLK DM_1/2 DM_3 > MUX > > > GAM = GAIN , ATTENUATE, MUTE DM-CLK GENERATOR SWAP ...

  • Page 14

    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 ...

  • Page 15

    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 15 of ...

  • Page 16

    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 ...

  • Page 17

    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 ...

  • Page 18

    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 ...

  • Page 19

    In Table 10, default configuration values are set on codec power-up only. Default configuration values are not reset by link or soft reset to preserve modifications by BIOS control. Bits 11:9 are reserved. Table 10. Default Configuration Bytes 31:30 ID ...

  • Page 20

    ... 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 ...