Datasheet Details
- Part number
- AS3500
- Manufacturer
- austriamicrosystems AG
- File Size
- 0.99 MB
- Datasheet
- AS3500-austriamicrosystemsAG.pdf
- Description
- Low Power Ambient Noise-Cancelling Speaker Driver
AS3500 Description
AS3500 AS3501 AS3502 Data Sheet, Confidential Low Power Ambient Noise-Cancelling Speaker Driver 1 General .
The AS3500/01/02 are speaker driver with Ambient Noise Cancelling function for handsets, headphones or ear pieces.
AS3500 Features
* Microphone Input 128 gain steps @0.375dB and MUTE with AGC
differential, low noise microphone amplifier
single ended or differential mode
supply for electret microphone
MIC gain OTP programmable
High Efficiency Headphone Amplifier 2x34mW, 0.1% THD @ 16Ω, 1.5V supply, 100dB SNR
bridged mode for e. g.
AS3500 Applications
* Ear pieces, Headsets, Hands-Free Kits, Mobile Phones, Voice Communicating Devices
www. austriamicrosystems. com
Revision 1.00
1 - 28
AS3500 AS3501 AS3502 1v2
Data Sheet, Confidential - Applications
Figure 1. AS3501 Feed Forward ANC Block Diagram
Figure 2. AS3502 Feed-Back Block Diagram
www. austri
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