Datasheet AD1983 Datasheet (ANALOG DEVICES)

www.BDTIC.com/ADI

HD Audio SoundMAX® Codec

FEATURES

2 DAC channels: 16-, 20-, or 24-bit 2 ADC channels: 16- or 20-bit HD audio sample rates

8 kHz, 11.025 kHz, 16 kHz, 22.05 kHz, 32 kHz,

Hz, 48 kHz

44.1 k Greater than 90 dB dynamic range S/PDIF output: 32 kHz, 44.1 kHz, or 48 kHz, 16- or 24-bit Digital BEEP generator Integrated headphone amplifiers Selectable microphone inputs with preamplifiers Stereo line level inputs Full analog mixer

2 GPIOs for external circuit control, jack sense 32-lead, Pb-free LFCSP_VQ (QFN) package

FUNCTIONAL BLOCK DIAGRAM

NID: 01

GPIO

JACK

SENSE

SDATA_IN

SDATA_OUT

SYNC

RESET

BIT_CLK

HD AUDIO I NTERFACE

+3.3V

DV

DD

DV

SS

Rev. 0

Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Anal og Devices for its use, nor for any infringements of patents or ot her 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.

NID: 04

PCM/FLOAT32

Σ-Δ ADC

20-BIT

48kHz

GPIO_0/JS_ 1

GPIO_1/JS_ 0

SENSE_A SENSE_SRC

NID: 02

16-,20-, 24-BIT 32kHz,44.1kHz, 48kHz PCM/AC3 S/PDIF TX

NID: 03

G

M

0dB TO +22.5dB

24-BIT 48kHz PCM Σ-Δ DAC

–34.5dB TO +12dB

–34.5dBTO +12dB

4:1

SELECTOR

M

GA

NID: 13

NID: 0A

S/PDIF_OUT

NID: 11

GA

M

NID: 0E

Σ

–34.5dB TO +12dB

M

GA

NID: 12

ENHANCED FEATURES

No AFILT pins, results in BOM savings Jack sensing autoconfiguration options

Mute line output and monaural output (MONO_OUT)

when headphones are used

Mute MONO_OUT when a device is in the line out jack Selectable sense trip level: high/low supports all jack types Peripheral identification/enumeration Jack presence detection: HD Audio SENSE and GPIOs Microphone to MONO_OUT for speakerphone Advanced power management modes 2 software-controlled microphone bias pins Stereo microphone array capture

Source from two different ports

0 dB, 10 dB, 20 dB, and 30 dB boost options

AV

DD

GA

–46.5dB TO+3dB

GA

–46.5dB TO+3dB

GA

–46.5dB TO+3dB

BIAS_SEL

MIC BIAS

BIAS_SEL

MIC BIAS

AV

SS

M

NID: 10

DIGITAL PCBEEP

G

M

0dB TO –45.0dB 3dB STEPS

2:1

SELECTOR

2:1

SELECTOR

NID: 0B

4:1

SELECTOR

NID: 0C

BOOST

0dB,10dB, 20dB,30dB

Σ

NID: 0F

NID: 0D

2:1

SELECTOR

2:1

SELECTOR

Figure 1.

HP

OUTPUT_EN

Z

OUTPUT_EN

Z

BIAS_EN

Z

BIAS_EN

+5.0V

NID: 06

PORT-A HEADPHONE

NID: 05

PORT-D FRONT

NID: 07

MONO_OUT

NID: 09

PORT-C LINE IN

NID: 08

MIC_BIAS-B

PORT-B MIC

AD1983

MIC_BIAS-C

05205-001

AD1983

www.BDTIC.com/ADI

REVISION HISTORY

4/06—Revision 0: Initial Version

ESD Caution...................................................................................6

Pin Configuration and Function Descriptions..............................7

HD Audio Codec Information ........................................................9

Verb Support ............................................................................... 12

Jack Presence Detection................................................................. 14

Outline Dimensions ....................................................................... 15

Ordering Guide .......................................................................... 15

Rev. 0 | Page 2 of 16

AD1983

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SPECIFICATIONS

TEST CONDITIONS

Test conditions for the AD1983 are as follows, unless otherwise noted.

General Test Conditions

Temperature at 25°C Digital supply (DV Analog supply (AV Sample rate (F

) at 3.3 V ± 10%

DD

) at 5.0 V ± 10%

DD

) at 48 kHz

S

Input signal at 1.0 kHz Analog output pass band at 20 Hz to 20,000 Hz V

at 2.0 V

IH

V

at 0.8 V

IL

V

at 2.4 V

IH

V

at 0.6 V

IL

DAC Test Conditions

Calibrated

Output −3 dB relative to full scale

utput load, Port D, and MONO_OUT

10 kΩ o 32 Ω output load, Port A

ADC Test Conditions

Calibrated

0 dB PGA gain Input −3.0 dB relative to full scale

Table 1.

Parameter Conditions Min Typ Max Unit

ANALOG INPUT

Port-B, Port-C 0 dB 1 V rms

2.83 V p-p Port-B, Port-C 10 dB 0.316 V rms

0.894 V p-p Port-B, Port-C 20 dB 0.1 V rms

0.283 V p-p Port-B, Port-C 30 dB 0.032 V rms

0.089 V p-p Input Impedance Input Capacitance

MASTER VOLUME

Step Size Port-A, Port-D, MONO_OUT 1.5 dB Output Gain Range –46.5 +3 dB Mute Attenuation of 0 dB Fundamental 80 dB

PROGRAMMABLE GAIN AMPLIFIER— ADC

Step Size 1.5 dB PGA Gain Range 0.0 22.5 dB

ANALOG MIXER—INPUT GAIN/AMPLIFIERS/ATTENUATORS

Signal-to-Noise Ratio (SNR)

Line In to Line Out 85 dB

Microphone In to Line Out Step Size All mixer inputs except digital PC BEEP 1.5 dB Step Size: Digital PC Beep 3.0 dB Input Gain Range All mixer inputs except digital PC BEEP −34.5 +12.0 dB Digital PC Beep −45.0 0.0 dB

DIGITAL DECIMATION AND INTERPOLATION FILTERS

Pass Band 0 0.4 × FSHz Pass-Band Ripple ±0.09 dB Transition Band 0.4 × F Stop Band 0.6 × F Stop-Band Rejection −74 dB

2

20 kΩ 5 7.5 pF

80 dB

0.6 × FSHz

S

∞ Hz

S

Rev. 0 | Page 3 of 16

1

AD1983

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Parameter Conditions Min Typ Max Unit

Group Delay 16/F Group Delay Variation over Pass Band 0 μs

ANALOG-TO-DIGITAL CONVERTERS

Resolution +20 Bits Total Harmonic Distortion (THD) −92 dB Dynamic Range

Crosstalk

Line inputs and other inputs −100 −80 dB Gain Error

Interchannel Gain Mismatch Difference of gain errors ±0.5 dB ADC Offset Error

DIGITAL-TO-ANALOG CONVERTERS

Resolution +24 Bits Total Harmonic Distortion (THD) Line out −86 dB Headphone out −76 dB Dynamic Range

Gain Error Full-scale span relative to nominal input voltage ±10 % Interchannel Gain Mismatch Difference of gain errors ±0.7 dB DAC Crosstalk

ANALOG OUTPUT

Full-Scale Output Voltage Port-D and MONO_OUT 1 V rms

2.83 V p-p

Full-Scale Output Voltage Port-A: headphone out 1 V rms

VREF_FILT 2.050 2.250 2.450 V MIC_BIAS (Port-B and Port-C) At 50% setting 2.250 V

Mute Click Muted output, unmuted midscale DAC output ±5 mV

STATIC DIGITAL SPECIFICATIONS

High Level Input Voltage (VIH), Digital Inputs

Low Level Input Voltage (VIL) 0.35 × DVDD V High Level Output Voltage (VOH) IOH = 2 mA 0.90 × DVDD V Low Level Output Voltage (VOL) IOL = 2 mA 0.10 × DVDD V Input Leakage Current −10 +10 μA Output Leakage Current −10 +10 μA Input/Output Pin Capacitance 7.5 pF

2

Output Impedance External Load Impedance Output Capacitance External Load Capacitance 1000 pF

2.83 V p-p External Load Impedance Output Capacitance External Load Capacitance

Current Drive 5 mA

2

−60 dB input, THD + N referenced to F A-weighted

Line inputs: Input L, Ground R, Read R; Input R, Ground L, Read L

Full-

span relative to nominal input voltage

scale

±5 mV

−60 dB input, THD + N referenced to F A-weighted

Input L, Zero R, Read R out; Input R, Zero L, Read L out

300 Ω 10 kΩ 15 pF

32 Ω 15 pF 1000 pF

At 80% setting 3.700 V At 0% setting 0.0 V

0.65 × DV

,

S

,

S

−85 dB

−80 dB

±10 %

−90 dB

−80 dB

DD

S

V

sec

Rev. 0 | Page 4 of 16

AD1983

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Parameter Conditions Min Typ Max Unit

POWER SUPPLY

Power Supply Range

Analog (AVDD) ±10% 4.5 5.5 V

Digital (DVDD) ±10% 2.97 3.63 V Power Dissipation—Analog

)/Digital (DVDD)

(AV

DD

Analog Supply Current—Analog (AV

)

DD

Digital Supply Current—Digital

)

(DV

DD

Power Supply Rejection 100 mV p-p signal @ 1 kHz 40 dB

1

RMS values assume sine wave input.

2

Guaranteed by design; not production tested.

POWER DOWN DISSIPATION

Table 2.

Parameter DVDD AVDD Unit

FUNCTION NODE1 0 1.8 mA DAC 30 26 mA ADC 28 26 mA MIXER 37 17 mA

1

BIT_CLK off.

165/125 mW

33 mA

38 mA

Rev. 0 | Page 5 of 16

AD1983

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ABSOLUTE MAXIMUM RATINGS

Table 3.

Parameter Rating

Digital (DVDD) −0.3 V to +3.6 V Analog (AVDD) −0.3 V to +6.0 V Input Current (Except Supply Pins) ±10.0 mA Analog Input Voltage (Signal Pins) −0.3 V to AVDD + 0.3 V Digital Input Voltage (Signal Pins) −0.3 V to DVDD + 0.3 V Ambient Temperature (Operating)

Commercial Range 0°C to 70°C Industrial Range −40°C to +85°C

Storage Temperature Range −65°C to +150°C

ESD CAUTION

ESD (electrostatic discharge) sensitive device. Electrostatic charges as high as 4000 V readily accumulate on the human body and test equipment and can discharge without detection. Although this product features proprietary ESD protection circuitry, permanent damage may occur on devices subjected to high energy electrostatic discharges. Therefore, proper ESD precautions are recommended to avoid performance degradation or loss of functionality.

Stresses above those listed under Absolute Maximum Ratings ma

y 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.

ENVIRONMENTAL CONDITIONS

Table 4. Thermal Resistance

Package θ

LFCSP_VQ 58.8 1.52 23.69 °C/W

1

θJA is the thermal resistance (junction-to-ambient). Bottom pad not soldered.

2

θJC is the thermal resistance (junction-to-case). Bottom pad not soldered.

1

JA

2

θ

(bottom) θ

JC

2

(top) Unit

JC

Rev. 0 | Page 6 of 16

AD1983

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PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

SS

DD

ORT-A_L (Headphone) P

PORT-A_R (Headphone)

MONO_OUT

S/PDIF_OUT

GPIO_1/JS_0

31

32

AV

GPIO_0/JS_1

AV

28

25

27

26

29

30

24 PORT-D_R (Line Out) 23 PORT-D_L (Line Out) 22 AV 21 SENSE_SRC 20 MIC_BIAS-C 19 MIC_BIAS-B 18 VREF_FILT 17 AV

14

15

16

ine In)

PORT-B_R (MIC)

PORT-C_L (Line In)

PORT-C_R (L

(Optional)

DD

SS

05205-002

SS

DD

NC = NO CONNECT

1NC (Reserved) 2SDATA_OUT 3BIT_CLK 4DV 5SDATA_IN 6DV 7SYNC 8RESET

PIN 1 INDICATOR

AD1983

TOP VIEW

(Not to Scale)

9

11

12

10

_A

NC

SENSE

13

ORT-B_L (MIC) P

Figure 2. Pin Configuration

Table 5. Pin Function Descriptions

Mnemonic

Pin No

. I/O

1

Description

SDATA_OUT 2 I HD Audio Link Serial Data Output. Codec input stream. BIT_CLK 3 I HD Audio Link Bit Clock Input. 24 MHz. SDATA_IN 5 I/O HD Audio Link Serial Data Input. Codec output stream. SYNC 7 I HD Audio Link Frame Sync. RESET

8 I HD Audio Link Reset. Master hardware reset.

GPIO_1/JS_0 31 Digital I/O GPIO_1: General Purpose Input/Output Pin. Digital signal used for circuit control.

JS_0: Classical (DC) Jack Sense for Line_Out Pins. Low = jack not present, high = jack present.

GPIO_0/JS_1 30 Digital I/O GPIO_0: General Purpose Input/Output Pin. Digital signal used circuit control.

JS_1: Classical (DC) Jack Sense for Headphone. Low = jack not present, high = jack pr

esent.

SENSE_A 9 Digital I

SENSE_SRC 21 Digital O

Jack Sense Input for Presence Detect on Port A Through Port D. Used with isolated

s on audio jacks.

switche Connect via 2.67 kΩ 1% resistor to Pin 9 (SENSE_A) when using the SENSE_A functionality.

educes the current draw of the jack presence tree during idle states. Remove the

This r resistor between Pin 9 and AV

in this mode.

DD

PORT-B_L (MIC) 13 Analog I Microphone or Line-In Left Input. PORT-B_R (MIC) 14 Analog I Microphone or Line-In Right Input. PORT-C_L (Line In) 15 Analog I Line-In or Microphone Left Input. PORT-C_R (Line In) 16 Analog I Line-In or Microphone Right Input. PORT-D_L (Line Out) 23 Analog O Line-Out-(Front)-Left Channel. PORT-D_R (Line Out) 24 Analog O Line-Out-(Front)-Right Channel. MONO_OUT 25 Analog O Monaural Output to Telephony Subsystem Speakerphone. PORT-A_L (Headphone) 27 Analog O Headphone-Out-Left Channel. PORT-A_R (Headphone) 28 Analog O Headphone-Out-Right Channel. VREF_FILT 18 O Voltage Reference Filter. MIC_BIAS-B 19 O Programmable Microphone Bias Output. Intended for connection to Port-B.

Rev. 0 | Page 7 of 16

AD1983

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Mnemonic

MIC_BIAS-C 20 O Programmable Microphone Bias Output. Intended for connection to Port-C. DV

SS

DV

DD

AV

SS

AV

DD

S/PDIF_OUT 32 Digital O Supports S/PDIF Output. NC

1

I refers to input and O refers to output.

No. I/O

4 I Digital Supply Return (Ground). 6 I Digital Supply Voltage (3.3 V). 17, 29 I Analog Supply Return (Ground). 22, 26 I

1, 10 to 12

1

Description

Analog Supply Voltage (5.0 V). AV degrades audio performance. Connection to Pin 22 is optional.

supplies should be well filtered because supply noise

DD

Rev. 0 | Page 8 of 16

AD1983

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HD AUDIO CODEC INFORMATION

Table 6. Widget List and Descriptions

NID (Hex) Name Type ID Type Description

00 ROOT x Root Device identification. 01 FUNCTION x Function Designates this device as an audio codec. 02 S/PDIF 0 Audio output Designates the codec S/PDIF digital stream output interface. 03 Front DAC 0 Audio output Designates the playback channel digital/audio converters. 04 Record ADC 1 Audio input Designates the record channel audio/digital converters. 05 Port-D (Line Out) 4 Pin complex Port-D pin drivers. Typically used as rear panel line output. 06 Port-A (Headphone Out) 4 Pin complex Port-A pin drivers. Typically used as front panel headphone output. 07 MONO_OUT 4 Pin complex

08 Port-B (Front Microphone) 4 Pin complex Port-B pin drivers. Typically used as front panel microphone. 09 Port-C (Line In) 4 Pin complex Port-C pin drivers. Typically used as rear panel line input. 0A S/PDIF_OUT 4 Pin complex S/PDIF output digital interface. 0B Mono Selector 3 Audio selector Chooses the signals that drive the mono output mixer and pin. 0C Microphone Selector/Boost 3 Audio mixer

0D Line In Selector 3 Audio selector Allows line in source port selection. 0E Analog Mixer 2 Audio mixer Selectively mixes analog input signals into a single signal. 0F Mono Mixer 2 Audio mixer Stereo-to-Mono mixer. 10 Digital PC Beep 7 Beep generator Digital PC beep generator. 11 Front Mix Amp 3 Audio selector Individual gain control for the DAC (front) input to the analog mixer. 12 Port-B Mix Amp 3 Audio selector

13 Port-C Mix Amp 3 Audio selector

14 Record Selector 3 Audio selector

15 Analog Power-Down 5 Power widget

1

Table 7. Root and Function Node Parameters

Typ e

NID (Hex) Name ID Type PID 002 PID 022 PID 042 PID 052 PID 082 PID 112

00 ROOT X Root 11D41983 00100400 00010001 01 FUNCTION X Function 00020014 00000001 00010C0C 40000002

1

Default SSID: BFD30000.

2

PID = parameter ID.

Vendor ID Revision ID

Monaural output pin driver. Typically used to drive an internal speaker or as a microphone selector on a telephony system.

Allows microphone source port selection and boost preamplifier setting.

Individual gain control for the Port-B (front microphone) input to the analog mixer.

Individual gain control for the Port-C (line in) input to the analog mixer.

Chooses the signal that is recorded by the record ADC. Also contains the record gain controls.

Controls power on analog mixer and associated amplifiers. This controls the power of all widgets in its connection list.

Sub Node Count

Function Group Typ e

Audio F.G. C aps

GPIO Caps

Rev. 0 | Page 9 of 16

AD1983

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Table 8. Widget Parameters

Widget

NID (Hex) Name PID 091 PID 0A1 PID 0B1 PID 0C1 PID 0D1 PID 0E1 PID 0F1 PID 101 PID 111 PID F01

01 FUNCTION 000004C0 000E007F 00000001 00000000 00000009 00000001 80053F3D 00000084 02 S/PDIF 00030311 00020060 00000005 00000002 03 Front DAC 00000441 000E007F 00000001 00000000 00000009 00004601 00000010 04 Record ADC 00100501 000E007F 00000001 00000001 00000009 05 Port-D (Line Out) 00400185 00000017 00000002 80053F3D 00000008 06

Port-A

(Headphone Out) 07 MONO_OUT 00400104 00000010 00000001 80053F3D 08

Port-B (Front

Microphone) 09 Port-C (Line In) 00400081 00001727 00000000 00000008 0A S/PDIF_OUT 00400301 00000010 00000001 0B Mono Selector 00300101 00000004 0C

Microphone

Selector/Boost 0D Line In Selector 00300101 00000002 0E Analog Mixer 00200101 00000003 0F Mono Mixer 00200100 00000001 00000002 10 Digital PC Beep 0070000C 00000000 800B0F0F 11 Front Mix Amp 0030010D 00000001 80051F17 12 Port-B Mix Amp 0030010D 00000001 80051F17 13 Port-C Mix Amp 0030010D 00000001 80051F17 14 Record Selector 0030010D 00000004 80050F00 15

Analog Power-

Down

1

PID = parameter ID.

Caps

00400185 0000001F 00000002 80053F3D 00000008

00400081 00001727 00000000 00000008

0030010D 00000002 00270300

00500500 00000004 00000009

PCM Size, Rate

Stream Format

Pin Caps

Input Amp Caps

Con. List Len

Power States

Processing Caps

GPIO Caps

Vendo rSpecific

Rev. 0 | Page 10 of 16

AD1983

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Table 9. Default Configuration Parameters

Bit 31 29 27 23 19 15 8 7 3 Bit 30 28 24 20 16 12 8 4 0 Location Misc. Node

ID (Hex) Name

05 Line Out 4 01014010 Jack External Rear

06 HP Out 4 0221401F Jack External Front HP Out

07 Mono Out 4 991301F0 Fixed Internal Special 3 Speaker ATAPI Unknown 1 F 0 08

09 Line In 4 0181302E Jack External Rear Line In

0A S/PDIF Out 4 014511F0 Jack External Rear

Table 10. Widget Connection List

Index 0 1 2 3 NID (Hex) Name NID (Hex) NID (Hex) NID (Hex) NID (Hex)

02 S/PDIF 01 04 03 Front DAC

04 Record ADC 14 05 Port-D (Line Out) 03 0E 06 Port-A (Headphone Out) 03 0E 07 MONO_OUT 0F 08 Port-B (Front Microphone) 09 Port-C (Line In) 0A S/PDIF_OUT 02 0B Mono Selector 03 0C 0D 0E 0C Microphone Selector/Boost 08 09 0D Line In Selector 09 08 0E Analog Mixer 11 12 13 0F Mono Mixer 0B 10 Digital PC Beep 11 Front Mix Amp 03 12 Port-B Mix Amp 0C 13 Port-C Mix Amp 0D 14 Record Selector 0C 0D 0E 0F 15 Analog Power-Down 05 09 0B 14

Microphone In

Typ e ID Value Connect Chassis Position

4 02A19020 Jack External Front Mic In

Def. De

vice

Line

ut

O

SPDIF

ut

O

Conn. Type Color Ovrrd.

1/8" Jack

Optical Black 1 F 0

Green 0 1 0

Green 0 1 F

Pink 0 2 0

Blue 0 2 E

Def. Assn. Sequence

Rev. 0 | Page 11 of 16

AD1983

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VERB SUPPORT

Tabl e 11 and Table 1 2 list only those HD audio verbs that are supported.

Table 11. Widget Verb Support

ficient

n/Mute

Stream

Format

Amplifier

Gai

Processing

Coef

Cofficient

Index

Parameter

Connection

Select

Connection

List Entry

Processing

State

SDI Select

Power State

Channel /

Stream ID

Pin Widget

Control

Unsolicited

Enable

Pin Sense

Node ID (Hex)

Name

Get

Axx Bxx Cxx Dxx F00 F01 F02 F03 F04 F05 F06 F07 F08 F09 F0A F0D

(Hex)

Set

2xx 3xx 4xx 5xx --- 701 --- 703 704 705 706 707 708 709 70A 70D 70E

(Hex)

Beep

00 ROOT √

1

01 FUNCTION S 02 S/PDIF √ √ √ √ S

1

S

√ U2 √ √

1

U2 √ √ √ 03 Front DAC √ √ √ √ √ U2√ √ 04 Record ADC √ √ √ U2√ √ 05 Line Out √ √ √ √ √ √ √ 06 HP Out √ √ √ √ √ √ √ 07 Mono Out √ √ √ √ 08 Microphone In √ √ √ √ 09 Line In √ √ √ √ 0A S/PDIF Out √ √ √ 0B Mono Selector √ √ √ 0C

Microphone

lector

Se

√ √ √ √

0D Line In Selector √ √ √ 0E Analog Mixer √ √ 0F Mono Mixer √ √ 10 Digital PCBeep √ √ √ 11 Front MixAmp √ √ √ 12

Microphone

xAmp

Mi

√ √ √

13 Line In MixAmp √ √ √ 14 ADC Selector √ √ √ √ 15

1

S = supports ADI specific functionality. Refer to the Programming Guide for more details (available from your assigned Applications Engineer).

2

U = unsupported in the AD1983; the get verb always returns 0, the set verbs are ignored.

Analog Power

wn

Do

√ √ √

nerator Ge

Digital

erter 1

Conv

Digital

erter 2

Conv

Rev. 0 | Page 12 of 16

AD1983

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Table 12. Widget Extended Verb Support

k

te3

Node ID

1

01 05 Line Out √ √ √ √ 06 HP Out √ √ √ √ 07 Mono Out √ √ √ √ 08 Microphone √ √ √ √ 09 Line In √ √ √ √ 0A S/PDIF Out √ √ √ √

1

Only the FUNCTION node (Node ID 01) supports the RESET Verb 7FF (set verb only).

2

U = unsupported in the AD1983. The get verb always returns 0, and the set verbs are ignored.

Get (Hex) F15 F16 F17 F18 F19 F1A F1C F20

Name Set (Hex) 715 716 717 718 719 71A 71C 71D 71E 71F 720 721 722 723

FUNCTION √ √ √ U

GPI/O Data

GPI/O

Enable

GPI/O

Direction

GPI/O Wake

2

Mas

GPI/O

√ U

Unsolicited

GPI/O

Sticky Mas

2

√ √ √ √

Config Def

Byte1

Config Def

Byte2

Config Def

B

te1

te2

te3 te4 B

Subsystem

ID B

Subsystem

ID B

Subsystem

ID B

Subsystem

ID Byte4

Rev. 0 | Page 13 of 16

AD1983

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JACK PRESENCE DETECTION

The AD1983 uses one jack sense line for presence detection on up to four external jacks. This enables software to determine if there is a device plugged into a jack; then, the AD1983 sensing engine can determine what type of device it is. Jack presence is detected using a resistor tree arrangement outlined in the HD Audio specification. Up to four jacks can be sensed on a single sense line by using a different value resistor for each between the sense line and ground (AV open, isolated switches to use this method of jack presence detection.

For proper operation there must be a 2.67 kΩ 1% resistor co

nnected between SENSE_A and AV R1 and C1 should be installed; R2 should not be installed (see

Figure 3).

). Jacks must have normally-

SS

. For this configuration

DD

Table 13. Jack Sense Mapping

SENSE_A

Node ID (He

Resistor (1%) Name Port

x)

5.1 kΩ Line Out D 05

10.0 kΩ Line In C 09

20.0 kΩ Microphone B 08

39.2 kΩ Headphone Out A 06

An alternate method reduces the current for sensing by connecting a single 2.67 kΩ 1% resistor between the SENSE_A and SENSE_SRC pins. For this configuration R1 and C1 are not installed; however, R2 is installed (see Figure 3).

It is recommended that designers place circuitry for both s

ensing methods and only install one of the two options.

The specific resistor values for each jack are shown in Table 13.

o ensure accurate detection, use 1% tolerance resistors for all

T jack presence circuitry.

AD1983

AV

SENSE_A/SRC_B

SENSE_SRC

AV

DD

SS

DD

22, 26

R1

2.67kΩ, 1%, 1/8W

9

R2 (DNE)

2.67kΩ, 1%, 1/8W

21

17, 29

Figure 3. Jack Presence Detection

TO JACKS FOR PORT A THROUGH PORT D

C1 1µF

05205-003

Rev. 0 | Page 14 of 16

AD1983

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OUTLINE DIMENSIONS

0.08

0.60 MAX

25

24

EXPOSED

PAD

(BOTTOM VIEW)

17

16

32

1

8

9

3.50 REF

PIN 1 INDICATOR

3.65

3.50 SQ

3.35

0.25 MIN

CP-32-4 CP-32-4

5.00

PIN 1

INDICATO

1.00

0.85

0.80

12° MAX

SEATING PLANE

BSC SQ

TOP

VIEW

0.80 MAX

0.65 TYP

0.30

0.23

0.18

COMPLIANT TO JEDEC STANDARDS MO-220-VHHD-2

4.75

BSC SQ

0.20 REF

0.05 MAX

0.02 NOM

0.60 MAX

0.50

BSC

0.50

0.40

0.30

COPLANARITY

Figure 4. 32-Lead Lead Frame Chip Scale Package [LFCSP_VQ]

5 mm × 5 mm Body, Very Thin Quad

(CP-32-4)

Dimensions shown in millimeters

ORDERING GUIDE

Model Temperature Range Package Description Package Option

AD1983JCPZ1 AD1983JCPZ-REEL1

1

Z = Pb-free part.

0°C to +70°C 0°C to +70°C

32-Lead LFCSP_VQ, Tray 32-Lead LFCSP_VQ, Reel

Rev. 0 | Page 15 of 16

AD1983

www.BDTIC.com/ADI

NOTES

Rev. 0 | Page 16 of 16

Datasheet AD1983 Datasheet (ANALOG DEVICES)

Specifications and Main Features

Frequently Asked Questions

User Manual

FEATURES

FUNCTIONAL BLOCK DIAGRAM

ENHANCED FEATURES

TABLE OF CONTENTS

REVISION HISTORY

SPECIFICATIONS

TEST CONDITIONS

General Test Conditions

DAC Test Conditions

ADC Test Conditions

POWER DOWN DISSIPATION

ABSOLUTE MAXIMUM RATINGS

ESD CAUTION

ENVIRONMENTAL CONDITIONS

PIN CONFIGURATION AND FUNCTION DESCRIPTIONS

HD AUDIO CODEC INFORMATION

VERB SUPPORT

JACK PRESENCE DETECTION

OUTLINE DIMENSIONS

ORDERING GUIDE