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AD82550A

Features: `16/18/20/24-bit input with I2S data format`PSNR & DR (A-weighting) Loudspeaker: 98dB (PSNR), 106dB (DR) Headphone: 87dB (PSNR), 96dB (DR)`Multiple sampling frequencies (Fs) 8kHz, 12kHz, 16kHz, 22.05kHz, 24kHz 32kHz, 44.1kHz, 48kHz, 64kHz, 88.2kHz and 96kHz`System clock = 256Fs`8Fs s...

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SeekIC No. : 004271991 Detail

AD82550A: Features: `16/18/20/24-bit input with I2S data format`PSNR & DR (A-weighting) Loudspeaker: 98dB (PSNR), 106dB (DR) Headphone: 87dB (PSNR), 96dB (DR)`Multiple sampling frequencies (Fs) 8kHz, 12kH...

AD82550A Data Sheet

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Part Number:
AD82550A
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:

`16/18/20/24-bit input with I2S data format
`PSNR & DR (A-weighting) Loudspeaker: 98dB (PSNR), 106dB (DR) Headphone: 87dB (PSNR), 96dB (DR)
`Multiple sampling frequencies (Fs) 8kHz, 12kHz, 16kHz, 22.05kHz, 24kHz 32kHz, 44.1kHz, 48kHz, 64kHz, 88.2kHz and 96kHz
`System clock = 256Fs
`8Fs switching for loudspeakers and headphones
`Single or dual supply Single supply: 3.0~3.3V for the whole chip Dual supply: 3.0~5V for loudspeaker drivers 3.0~3.3V for others
`Loudspeaker power 3.5W into 4 load @ 0dB 1kHz sinewave input 2.0W into 8 load @ 0dB 1kHz sinewave input
`Loudspeaker power efficiency () 86% for 4 @ 0dB 1kHz sinewave input 91% for 8 @ 0dB 1kHz sinewave input
`Headphone power 35mW into 32 @1kHz and 1% THD+N 65mW into 16 @1kHz and 1% THD+N 113mW into 8 @1kHz and 1% THD+N
`Volume control for loudspeakers 53steps:+6~-34dB(1dB/step)-36~-58dB(2dB/step)
`Mute function
`Power down function
`Anti-pop design
`Over-temperature protection
`Under-voltage shutdown
`Short-circuit detection


Application

·CD and DVD
·TV audio
·Internet audio
·USB speaker
·MP3
·Headphone Amplifier
·PDA
·Portable / Handheld
·Mobile phone
·Car audio


Pinout

Connection Diagram


Specifications

Symbol Parameter Min Max Units
DVDD Supply for Digital Circuit 0 3.6 V
AVDD Supply for Analog Circuit 0 3.6 V
VDDL(R) Supply for Left (Right) Channel 0 5.5 V
Vi Input Voltage -0.3 3.6 V
Tstg Storage Temperature -65 150
Ta Ambient Operating Temperature 0 70
  Voltage Difference between VDDL and VDDR -1 1 V
  Voltage Difference between VDDL(VDDR) and DVDD/AVDD -3 3 V
  VDDL(VDDR) Power-on Voltage Ramp 0.2 V/s



Description

This is a stereo digital audio amplifier with high power efficiency, which leads to longer battery life, less heat sink requirement, smaller board size and lower system cost. AD82550A can detect headphone connection and choose to drive either stereo loudspeakers or stereo headphones.

Operating with 3.0/3.3/5V loudspeaker driver supply, each loudspeaker channel AD82550A can typically deliver 0.8/1.0/2.3W to a 4 loudspeaker, respectively, with less than 1% THD+N. Operating with 3.0/3.3V headphone driver supply, each headphone channel can typically deliver 29/35mW to 32, 54/65mW to 16 and 94/113mW to 8, respectively, with less than 1% THD+N.




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