WM8746

Features: • 6-Channel DAC• Audio Performance− 106dB SNR ('A' weighted @ 48kHz) DAC− -96dB THD• DAC Sampling Frequency: 8kHz 192kHz• 3-Wire Serial Control Interface• Programmable Audio Data Interface Modes− I2S, Left, Right Justified or DSP− 16...

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SeekIC No. : 004546189 Detail

WM8746: Features: • 6-Channel DAC• Audio Performance− 106dB SNR ('A' weighted @ 48kHz) DAC− -96dB THD• DAC Sampling Frequency: 8kHz 192kHz• 3-Wire Serial Control Interfa...

floor Price/Ceiling Price

Part Number:
WM8746
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/3/28

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Product Details

Description



Features:

• 6-Channel DAC
• Audio Performance− 106dB SNR ('A' weighted @ 48kHz) DAC− -96dB THD
• DAC Sampling Frequency: 8kHz 192kHz
• 3-Wire Serial Control Interface
• Programmable Audio Data Interface Modes− I2S, Left, Right Justified or DSP− 16/20/24/32 bit Word Lengths
• Independent Digital Volume Control on Each Channel with127.5dB Range in 0.5dB Steps
• 3.0V 5.5V Supply Operation
• 28-Pin SSOP Package
• Exceeds Dolby Class A Performance Requirements
• Pin Compatible with WM8736



Application

• DVD and DVD 'Universal' Players
• Home theatre systems
• Digital broadcast receivers



Pinout

  Connection Diagram


Specifications

CONDITION MIN MAX
Digital supply voltage -0.3V +7V
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 -25°C +85°C
Storage temperature prior to soldering 30°C max / 85% RH max
Storage temperature -65°C +150°C
Storage temperature   +240°C
Package body temperature (soldering 2 minutes)   +183°C



Description

WM8746 is a high performance 6-channel DAC designedfor audio applications such as DVD, home theatre systems,and digital TV. The WM8746 supports data input wordlengths from 16 to 32-bits and sampling rates up to 192kHz.The WM8746 can convert up to 6 channels at sample ratesfrom 8 to 192kHz. Additionally WM8746 supports 2channels at 192kHz and 4 channels at 96kHzsimultaneously.

The WM8746 consists of a serial interface port, digitalinterpolation filters, multi-bit sigma delta modulators and 6DACs in a small 28-pin SSOP package. The WM8746 alsoincludes a digitally controllable mute and attenuator functionon each channel.

The WM8746 supports a variety of connection schemes foraudio DAC control. The serial control interface providesaccess to a wide range of featuresincluding on-chip mute,attenuation and phase reversal. A hardware controllableinterface is also available. It is pin-compatible with theWM8736, (apart from RSTB pin which is typically unused).The WM8746 is an ideal device to interface to AC-3,DTS, and MPEG audio decoders for surround soundapplications, or for use in "universal" high definition audioplayers supporting DVD-A formats.




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