WM8766 Datasheet PDF - Wolfson Microelectronics
| Part Number | WM8766 | |
| Description | 24 BIT 192KHZ 6 CHANNEL DAC | |
| Manufacturers | Wolfson Microelectronics | |
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24-bit, 192kHz 6-Channel DAC
WM8766
DESCRIPTION
The WM8766 is a multi-channel audio DAC ideal for DVD
and surround sound processing applications for home hi-fi,
automotive and other audio visual equipment.
Three stereo 24-bit multi-bit sigma delta DACs are used
with oversampling digital interpolation filters. Digital audio
input word lengths from 16-32 bits and sampling rates from
8kHz to 192kHz are supported. Each DAC channel has
independent digital volume and mute control.
The audio data interface supports I2S, left justified, right
justified and DSP digital audio formats
The device is controlled via a 3 wire serial interface or
directly using the hardware interface. These interfaces
provide access to features including channel selection,
volume controls, mutes, de-emphasis and power
management facilities. The device is available in a 28-lead
SSOP.
BLOCK DIAGRAM
FEATURES
• 6-Channel DAC
• Audio Performance
− 103dB SNR (‘A’ weighted @ 48kHz) DAC
• DAC Sampling Frequency: 8kHz – 192kHz
• 3-Wire SPI Serial or Hardware Control Interface
• Programmable Audio Data Interface Modes
− I2S, Left, Right Justified or DSP
− 16/20/24/32 bit Word Lengths
• Three Independent stereo DAC outputs with independent
digital volume controls
• Master or Slave Audio Data Interface
• 2.7V to 5.5V Analogue, 2.7V to 3.6V Digital supply
Operation
• 28 lead SSOP Package
APPLICATIONS
• DVD Players
• Surround Sound AV Processors and Hi-Fi systems
• Automotive Audio
WOLFSON MICROELECTRONICS plc
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Production Data, July 2005, 4.1
Copyright 2005 Wolfson Microelectronics plc
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Production Data
WM8766
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
MIN MAX
Digital supply voltage
-0.3V
+5V
Analogue supply voltage
-0.3V
+7V
Voltage range digital inputs
DGND -0.3V
DVDD +0.3V
Voltage range analogue inputs
AGND -0.3V
AVDD +0.3V
Master Clock Frequency
37MHz
Operating temperature range, TA
Storage temperature after soldering
-25°C
-65°C
+85°C
+150°C
Notes:
1. Analogue and digital grounds must always be within 0.3V of each other for normal operation of the device.
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PD Rev 4.1 July 2005
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for WM8766 electronic component. |
| Information | Total 30 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ WM8766.PDF Datasheet ] | |
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