AD1981HDJSTZ-REEL Analog Devices Inc, AD1981HDJSTZ-REEL Datasheet

IC CODEC HD AUDIO 1.0 48LQFP

AD1981HDJSTZ-REEL

Manufacturer Part Number
AD1981HDJSTZ-REEL
Description
IC CODEC HD AUDIO 1.0 48LQFP
Manufacturer
Analog Devices Inc
Series
SoundMAX®r
Type
Audio Codec '97, HDr
Datasheet

Specifications of AD1981HDJSTZ-REEL

Data Interface
Serial
Resolution (bits)
16, 20 b
Number Of Adcs / Dacs
4 / 2
Sigma Delta
No
Dynamic Range, Adcs / Dacs (db) Typ
85 / 90
Voltage - Supply, Analog
4.5 V ~ 5.5 V
Voltage - Supply, Digital
2.97 V ~ 3.63 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
48-LQFP
Single Supply Voltage (typ)
3.3/5V
Single Supply Voltage (min)
2.97/4.5V
Single Supply Voltage (max)
3.63/5.5V
Package Type
LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AD1981HDJSTZ-REEL
Manufacturer:
CREATIVE
Quantity:
153
Part Number:
AD1981HDJSTZ-REEL
Manufacturer:
ADI/亚德诺
Quantity:
20 000
FEATURES
2 DAC channels: 16-, 20-, or 24-bit
2 ADC channels: 16- or 20-bit
HD audio sample rates
Greater than 90 dB dynamic range
S/PDIF output: 32 kHz, 44.1 kHz or 48 kHz, 16- or 24-bit
Digital beep and analog PC beep pass-through
Integrated headphone amplifiers on two ports
Port retasking
Selectable microphone and line inputs
Full analog mixer
Legacy inputs: CD and auxiliary inputs
External amplifier power-down (EAPD)
48-pin, Pb-free LQFP
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.
8 kHz, 11.025 kHz, 16 kHz, 22.05 kHz, 32 kHz,
44.1 kHz, 48 kHz
SENSE
JACK
GPIO
PCM/FLOAT32
Σ-Δ ADC
EQ
PC BEEP
S/PDIF TX
PCM/AC3
GPIO
SENSE
Σ-Δ DAC
DIGITAL
PC BEEP
PCM
M
G
PC BEEP
S/PDIF_OUT
G
FUNCTIONAL BLOCK DIAGRAM
GA
M
M
GA
M
DIFF
AMP
GA
GA
M
Σ
M
GA
M
Figure 1.
GA
M
GA
M
ENHANCED FEATURES
No AFILT pins, results in BOM savings
5.0 V AV
Jack-sensing autoconfiguration options
Selectable trip level: high/low supports all jack types
Peripheral identification/enumeration
Jack event/presence detection using SENSE or GPIO pins
Microphone to MONO_OUT for speakerphone applications
Advanced power management modes
4 software-controlled microphone bias pins
Up to 30 dB microphone boost
4 GPIOs—external control or traditional jack sense
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
Mute line output and monaural output (MONO_OUT)
Mute MONO_OUT when a device is in the line out jack
when headphones are used
HD Audio SoundMAX
DD
M
M
supply, 3.3 V DV
Σ
© 2005 Analog Devices, Inc. All rights reserved.
GAM
GAM
GAM
GAM
BIAS
BIAS
BIAS
BIAS
MIC
MIC
MIC
MIC
BOOST
BOOST
BOOST
BOOST
GAM
AV
AV
HP
HP
DD
DD
SS
Z
Z
Z
Z
Z
Z
supply
PC BEEP
Z
5V
RESET
AD1981HD
MONO_OUT
PORT-A
HEADPHONE
MIC_BIAS-D
PORT-D
LINE_OUT
MIC_BIAS-C
PORT-C
LINE_IN
MIC_BIAS-F
PORT-F
REAR MIC
MIC_BIAS-B
PORT-B
FRONT MIC
www.analog.com
®
Codec

Related parts for AD1981HDJSTZ-REEL

AD1981HDJSTZ-REEL Summary of contents

Page 1

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, 44.1 kHz, 48 kHz Greater than 90 dB dynamic range S/PDIF output: ...

Page 2

AD1981HD TABLE OF CONTENTS Functional Block Diagram Details ................................................. 3 Specifications..................................................................................... 4 Absolute Maximum Ratings............................................................ 7 Environmental Conditions.......................................................... 7 ESD Caution.................................................................................. 7 Pin Configuration and Function Descriptions............................. 8 REVISION HISTORY 6/05—Initial Version: Revision 0 HD Audio Codec Information ..................................................... 10 ...

Page 3

FUNCTIONAL BLOCK DIAGRAM DETAILS 2:1 SELECTOR 6:1 SELECTOR 2:1 SELECTOR 2:1 2:1 SELECTOR SELECTOR +12dB TO –34.5 +12dB TO –34.5 2:1 SELECTOR INTERFACE AUDIO HD Figure 2. Rev Page AD1981HD 2:1 SELECTOR CD_L CD_GND CD_R ...

Page 4

AD1981HD SPECIFICATIONS Test conditions, unless otherwise noted. Table 1. Test Conditions Parameter TEMPERATURE DIGITAL SUPPLY ( ANALOG SUPPLY ( SAMPLE RATE ( INPUT SIGNAL ANALOG OUTPUT PASS BAND ...

Page 5

Table 4. Programmable Gain Amplifier—ADC Parameter STEP SIZE PGA GAIN RANGE SPAN Table 5. Analog Mixer—Input Gain/Amplifiers/Attenuators Parameter SIGNAL-TO-NOISE RATIO (SNR) Line In to Line Out 1 Microphone In to Line Out STEP SIZE: ALL MIXER INPUTS (Except PC BEEP) ...

Page 6

AD1981HD Table 9. Analog Output Parameter FULL-SCALE OUTPUT VOLTAGE (Headphone Disabled) 1 Output Impedance External Load Impedance Output Capacitance External Load Capacitance FULL-SCALE OUTPUT VOLTAGE (Headphone Out) Output Impedance External Load Impedance Output Capacitance External Load Capacitance VREF_FILT MIC_BIAS (Ports ...

Page 7

ABSOLUTE MAXIMUM RATINGS Table 13. Power Supply Min Digital (DV ) −0.3 DD Analog (AV ) −0.3 DD Input Current (Except Supply Pins) Analog Input Voltage (Signal Pins) −0.3 Digital Input Voltage (Signal Pins) −0.3 Ambient Temperature (Operating) Commercial 0°C ...

Page 8

AD1981HD PIN CONFIGURATION AND FUNCTION DESCRIPTIONS SDATA_OUT BIT_CLK SDATA_IN PC BEEP CONNECT Table 15. Pin Function Descriptions Mnemonic Pin No. I/O SDATA_OUT 5 I BIT_CLK 6 I SDATA_IN 8 I/O SYNC RESET# Table ...

Page 9

Table 17. Analog Input/Output Pin Function Descriptions Mnemonic Pin No. I/O Channel PC Beep 12 I N/A PORT-E_L 14 I Left PORT-E_R 15 I Right PORT-F_L 16 I/O Left PORT-F_R 17 I/O Right CD_L 18 I Left CD_GND 19 I ...

Page 10

AD1981HD HD AUDIO CODEC INFORMATION Table 20. Widget List and Descriptions NID Name 00 ROOT 01 FUNCTION 02 S/PDIF 03 Front DAC 04 Record ADC 05 Port-D (Line Out) 06 Port-A (Headphone Out) 07 MONO_OUT 08 Port-B (Front Microphone) 09 ...

Page 11

Table 21. Root and Function Node Parameters Type Vendor ID 1 NID Name ID PID 00 00 ROOT X 11D41981 01 FUNCTION X 1 PID = parameter ID. Table 22. Widget Parameters Widget Caps 1 NID Name PID 09 00 ...

Page 12

AD1981HD Table 23. Default Configuration Parameters Node ID Name Value 05 Port-D (Line Out) 01014010 Jack 06 Port-A (HP Out) 0221401F Jack 07 Mono Out 90130130 Fixed 08 Port-B (Front MIC) 02A19040 Jack 09 Port-C (Line In) 01813041 Jack 0A ...

Page 13

Table 25. Widget Verb Support 2 CONVERTER DIGITAL 1 CONVERTER DIGITAL ENABLE EAPD/BTL GENERATOR BEEP SENSE PIN ENABLE UNSOLICITED CONTROL WIDGET PIN ID STREAM CHANNEL/ STATE POWER SELECT SDATA_IN STATE PROCESSING ENTRY LIST CONNECTION SELECT CONNECTION PARAMETER INDEX COFFICIENT COEFFICIENT ...

Page 14

AD1981HD Table 26. Widget Extended Verb Support (31:24) ID SUBSYSTEM (23:16) ID SUBSYSTEM (15:08) ID SUBSYSTEM (07:00) ID SUBSYSTEM (31:24) DEF (23:16) DEF (15:08 DEF (07:00) DEF STICKY UNSOLICITED MASK WAKE ON DIRECTI ENABLE DATA DATA MASK STICKY UNSOLICITED WAKE ...

Page 15

JACK PRESENCE DETECTION HD AUDIO STYLE JACK PRESENCE DETECTION The AD1981HD uses two jack sense lines for jack presence detection. Combined with the peripheral enumeration engines, this enables software to determine if there is a device plugged into the circuit ...

Page 16

... VIEW A ROTATED 90° CCW ORDERING GUIDE Model Temperature Range 1 AD1981HDJSTZ 0°C to +70°C AD1981HDJSTZ-REEL 0°C to +70° Pb-free part. © 2005 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. 0.75 1.60 0.60 MAX 0 ...

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