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AD1981B

Features: AC '97 2.3 COMPATIBLE FEATURES`S/PDIF Output, 20 Bits Data Format, Supporting`48 kHz and 44.1 kHz Sample Rates`Integrated Stereo Headphone Amplifier`Variable Sample Rate Audio`External Audio Power-Down Control`Greater than 90 dB Dynamic Range`Stereo Full-Duplex Codec`20-Bit PCM DAC`3 Ana...

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SeekIC No. : 004268564 Detail

AD1981B: Features: AC '97 2.3 COMPATIBLE FEATURES`S/PDIF Output, 20 Bits Data Format, Supporting`48 kHz and 44.1 kHz Sample Rates`Integrated Stereo Headphone Amplifier`Variable Sample Rate Audio`External Aud...

AD1981B Data Sheet

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Part Number:
AD1981B
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: 2024/11/24

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Product Details

Description



Features:

AC '97 2.3 COMPATIBLE FEATURES
`S/PDIF Output, 20 Bits Data Format, Supporting
`48 kHz and 44.1 kHz Sample Rates
`Integrated Stereo Headphone Amplifier
`Variable Sample Rate Audio
`External Audio Power-Down Control
`Greater than 90 dB Dynamic Range
`Stereo Full-Duplex Codec
`20-Bit PCM DAC
`3 Analog Line-Level Stereo Inputs for
`Line-In, AUX, and CD
`Mono Line-Level Phone Input
`Dual MIC Input with Built-In Programmable Preamp
`High Quality CD Input with Ground Sense
`Mono Output for Speakerphone or Internal Speaker
`Power Management Support
`48-Lead LQFP Package, Lead-Free Available
ENHANCED FEATURES
`Stereo MIC Preamps Support
`Built-In Digital Equalizer Function for Optimized
`Speaker Sound
`Full-Duplex Variable Sample Rates from 7040 Hz to
`48 kHz with 1 Hz Resolution
`Jack Sense Pins Provide Automatic Output Switching
`Software Programmed VREFOUT Output for Biasing
`Microphone and External Power Amp
`Split Power Supplies: 3.3 V Digital and 5 V Analog
`Multiple Codec Configuration Options




Pinout

Connection Diagram

AD1981B Diagram




Specifications

Power Supplies
Digital (DVDD) . . . . . . . . . . . . . . . . . . . . . . 0.3 V to +3.6 V
Analog (AVDD) . . . . . . . . . . . . . . . . . . . . . .0.3 V to +6.0 V
Input Current (Except Supply Pins) . . . . . . . .. . . . . ±10 mA
Signals Pins
Digital Input Voltage . . . . . . . . . . .. 0.3 V to DVDD + 0.3 V
Analog Input Voltage . . . . . . . . . . . 0.3 V to AVDD + 0.3 V
Ambient Temperature Range (Operating) . . . 0°C to 70°C
*Stresses greater than those listed under Absolute Maximum Ratings may 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.



# of ADCs 2
# DAC 2
ADC DNR (dB) 85dB
Compliant 2.3
DAC DNR (dB) 90dB
Number of Channels 2





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