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AS3502 - 13-BIT LINEAR FEATURE CODEC WITH ANALOGUE FRONTEND

General Description

AS3502 is a high performance 13-bit linear feature Codec/Filter with 8 kHz sampling rate specifically tailored to implement all analogue frontend functions of battery powered digital terminals.

Key Features

  • q q q q q q q q q q q q q q q q 13-Bit Linear Sigma Delta Codec with Filters Exceeding ETSI prETS30085 and G712 . Single Rail 3.0 V ~5.5 V Power Supply. Typical Power Dissipation of 30 mW at 3 V. Two Low Noise Microphone Inputs with Internal Gain Adjust (+16 / +46 dB). 150Ω Push/Pull Earpiece Driver with Internal Gain Adjust (-12 / +6 dB). 50Ω Loudspeaker Amplifier with up to 50 mW Output Power. Push/ Pull Output Driver for Tone Ringer. On Chip Electret Microphone Voltage Source. Digital Trans.

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Datasheet Details

Part number AS3502
Manufacturer austriamicrosystems AG
File Size 364.43 KB
Description 13-BIT LINEAR FEATURE CODEC WITH ANALOGUE FRONTEND
Datasheet download datasheet AS3502 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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AS3502 Austria Mikro Systeme International AG 13-BIT LINEAR FEATURE CODEC WITH ANALOGUE FRONTEND General Description AS3502 is a high performance 13-bit linear feature Codec/Filter with 8 kHz sampling rate specifically tailored to implement all analogue frontend functions of battery powered digital terminals. It includes a programmable analogue interfaces for handset and handsfree operation with a minimum amount of external components. The Codec function of AS3502 uses Sigma-Delta (Σ∆) modulation conversion techniques with 2nd order modulators and an over sampling rate of 128 for excellent signal to noise performance. The AS3502 exceeds all CCITT G712 recommendations and the European ETSI prETS 300085 recommendations.