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WM8983 데이터시트 PDF




Wolfson Microelectronics에서 제조한 전자 부품 WM8983은 전자 산업 및 응용 분야에서
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PDF 형식의 WM8983 자료 제공

부품번호 WM8983 기능
기능 Mobile Multimedia CODEC
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WM8983 데이터시트, 핀배열, 회로
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WM8983
Mobile Multimedia CODEC with 1W Speaker Driver
DESCRIPTION
FEATURES
The WM8983 is a low power, high quality stereo CODEC
designed for portable multimedia applications. Highly flexible
analogue mixing functions enable new application features,
combining hi-fi quality audio with voice communication.
The device integrates preamps for stereo differential mics, and
includes drivers for speaker, headphone and differential or stereo
line output. External component requirements are reduced as no
separate microphone or headphone amplifiers are required.
Advanced on-chip digital signal processing includes a 5-band
equaliser, a mixed signal Automatic Level Control for the
microphone or line input through the ADC as well as a purely
digital limiter function for record or playback. A programmable
high pass filter in the ADC path is provided for wind noise
reduction and an IIR with programmable coefficients can be used
as a notch filter to suppress fixed-frequency noise.
Stereo CODEC:
DAC SNR 98dB, THD -84dB (‘A’ weighted @ 48kHz)
ADC SNR 95dB, THD -84dB (‘A’ weighted @ 48kHz)
Speaker driver (1W into 8BTL with 5V supply)
SNR 90dB
PSRR 80dB
Headphone driver with ‘capless’ option
40mW/channel output power into 16/ 3.3V AVDD2
Pop and click suppression
Mic Preamps:
Stereo Differential or mono microphone Interfaces
Programmable preamp gain
Pseudo differential inputs with common mode rejection
Programmable ALC / Noise Gate in ADC path
Low-noise bias supplied for electret microphones
The WM8983 digital audio interface can operate in master or Other Features:
slave mode, while an integrated PLL supports flexible clocking Enhanced 3-D function for improved stereo separation
schemes. A-law and µ-law companding are fully supported.
Highly flexible mixing functions
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2.5V to 3.6V analogue supplies
1.71V to 3.6V digital supplies
2.5V to 5.5V speaker supplies
5x5mm 32-lead QFN package
APPLICATIONS
Multimedia mobile phones
WOLFSON MICROELECTRONICS plc
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Production Data, November 2006, Rev 4.0
Copyright ©2006 Wolfson Microelectronics plc




WM8983 pdf, 반도체, 판매, 대치품
WM8983
Production Data
5-BAND EQUALISER ................................................................................................ 117
APPLICATIONS INFORMATION .......................................................................121
RECOMMENDED EXTERNAL COMPONENTS ........................................................ 121
IMPORTANT NOTICE ........................................................................................123
ADDRESS: ................................................................................................................ 123
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WM8983 전자부품, 판매, 대치품
Production Data
WM8983
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are stress ratings only. Permanent damage to the device may be caused by continuously
operating at or beyond these limits. Device functional operating limits and guaranteed performance specifications are given
under Electrical Characteristics at the test conditions specified.
ESD Sensitive Device. This device is manufactured on a CMOS process. It is therefore generically susceptible
to damage from excessive static voltages. Proper ESD precautions must be taken during handling and storage
of this device.
Wolfson tests its package types according to IPC/JEDEC J-STD-020B for Moisture Sensitivity to determine acceptable storage
conditions prior to surface mount assembly. These levels are:
MSL1 = unlimited floor life at <30°C / 85% Relative Humidity. Not normally stored in moisture barrier bag.
MSL2 = out of bag storage for 1 year at <30°C / 60% Relative Humidity. Supplied in moisture barrier bag.
MSL3 = out of bag storage for 168 hours at <30°C / 60% Relative Humidity. Supplied in moisture barrier bag.
The Moisture Sensitivity Level for each package type is specified in Ordering Information.
CONDITION
DBVDD, DCVDD, AVDD1 supply voltages
AVDD2 supply voltage
Voltage range digital inputs
Voltage range analogue inputs
Storage temperature prior to soldering
Storage temperature after soldering
MIN MAX
-0.3V
+4.5V
-0.3V
+7V
DGND -0.3V
DVDD +0.3V
AGND1 -0.3V
AVDD1 +0.3V
AGND2 -0.3V
AVDD2 +0.3V
30°C max / 85% RH max
-65°C
+150°C
Notes
1. Analogue and digital grounds must always be within 0.3V of each other.
2. All digital and analogue supplies are completely independent from each other.
3. Analogue supply voltages should not be less than digital supply voltages.
4. In non-boosted mode AVDD2 should be AVDD1. In boost mode, AVDD2 should be 1.5 x AVDD1.
5. DBVDD must be greater than or equal to DCVDD.
RECOMMENDED OPERATING CONDITIONS
PARAMETER
SYMBOL
TEST
CONDITIONS
MIN
TYP
MAX
UNIT
Digital supply range (Core)
Digital supply range (Buffer)
DCVDD
DBVDD
1.71
1.712
3.6 V
3.6 V
Analogue supply range
AVDD1
2.5 3.6 V
Speaker supply range
AVDD2
2.5 5.5 V
Ground
DGND, AGND1, AGND2
0V
Notes
1. Analogue supply voltages should not be less than digital supply voltages.
2. DBVDD should be 1.9V when using the PLL.
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PD Rev 4.0 November 2006
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관련 데이터시트

부품번호상세설명 및 기능제조사
WM8980

STEREO CODEC WITH SPEAKER DRIVER AND BUFFER

Wolfson Microelectronics plc
Wolfson Microelectronics plc
WM8983

Mobile Multimedia CODEC

Wolfson Microelectronics
Wolfson Microelectronics

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