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AD1885

Features: AC'97 2.1 FEATURES`Variable Sample Rate Audio`Multiple Codec Configuration Options`External Audio Power-Down ControlAC'97 FEATURES`AC'97 2.1-Compliant`Greater than 90 dB Dynamic Range`Stereo Headphone Amplifier`Multibit Converter Architecture for Improved S/N Ratio Greater than 90 dB`16...

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SeekIC No. : 004268479 Detail

AD1885: Features: AC'97 2.1 FEATURES`Variable Sample Rate Audio`Multiple Codec Configuration Options`External Audio Power-Down ControlAC'97 FEATURES`AC'97 2.1-Compliant`Greater than 90 dB Dynamic Range`Ster...

AD1885 Data Sheet

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Part Number:
AD1885
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: 2024/12/26

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Product Details

Description



Features:

AC'97 2.1 FEATURES
`Variable Sample Rate Audio
`Multiple Codec Configuration Options
`External Audio Power-Down Control
AC'97 FEATURES
`AC'97 2.1-Compliant
`Greater than 90 dB Dynamic Range
`Stereo Headphone Amplifier
`Multibit Converter Architecture for Improved S/N Ratio Greater than 90 dB
`16-Bit Stereo Full-Duplex Codec
`Four Analog Line-Level Stereo Inputs for:
`LINE-IN, CD, VIDEO, and AUX
`Two Analog Line-Level Mono Inputs for Speakerphone and PC BEEP
`Mono MIC Input w/Built-In 20 dB Preamp, Switchable from Two External Sources
`High Quality CD Input with Ground Sense
`Stereo Line-Level Outputs
`Mono Output for Speakerphone or Internal Speaker
`Power Management Support
`48-Terminal LQFP Package
ENHANCED FEATURES
`Full Duplex Variable Sample Rates from 7040 Hz to 48 kHz with 1 Hz Resolution
`Jack Sense Pins Provide Automatic Output Switching
`Software-Enabled VREFOUT Output for Microphones and External Power Amp
`Split Power Supplies (3.3 V Digital/5 V Analog)
`Mobile Low-Power Mixer Mode
`Extended 6-Bit Master Volume Control
`Extended 6-Bit Headphone Volume Control
`Digital Audio Mixer Mode
`PHAT™ Stereo 3D Stereo Enhancement




Pinout

AD1885 Diagram

Connection Diagram




Specifications

# of ADCs 2
# DAC 2
ADC DNR (dB) 87dB
Compliant 2.1
DAC DNR (dB) 90dB
Number of Channels 2


Parameter
Min
Max
Unit
Power Supplies
Digital (AVDD)
-0.3
+3.6
V
Analog (DVDD)
0.3
+6.0
V
Input Current (Except Supply Pins)
±10
mA
Analog Input Voltage (Signal Pins)
0.3
AVDD + 0.3
V
Digital Input Voltage (Signal Pins)
-0.3
DVDD + 0.3
V
Ambient Temperature (Operating)
0
+70
°C
Storage Temperature
-65
+150
°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.






Description

Analog Devices' AD1885 AC'97 SoundMAX? Codec provides stereo analog I/O on PC motherboard and peripheral devices, as part of the signal chain for delivery of high quality audio to PC-connected






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