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BA8216 - Speech Network for Telephones

General Description

BA8216 FPin assignments 245 Communication ICs FApplication example BA8216 FExternal dimensions (Units: mm) 246

Key Features

  • 1) Basic speech network functions built in. S Handset transmit and receive circuits S DTMF transmit circuit S Key tone input circuit S Mute control and side tone masking circuits 2) Can be used with 1.3kΩ loop circuit resistance and 100Ω telephone resistance. FBlock diagram 3) A BTL circuit is used for reception output, providing a wide dynamic range which enables use of a ceramic receiver. 4) Few external components required. 5) 14-pin DIP package. 238 Communication ICs FAbsolute maximum rat.

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Datasheet Details

Part number BA8216
Manufacturer ROHM
File Size 177.55 KB
Description Speech Network for Telephones
Datasheet download datasheet BA8216 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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Communication ICs Speech network for telephones BA8216 The BA8216 is a speech network IC which possesses the basic functions required for handset communications. In addition to amplifying signals from a transmitter and sending them to a telephone line, it also amplifies only reception signals from a telephone line and drives the receiver. FApplications Telephones and telephone equipment FFeatures 1) Basic speech network functions built in. S Handset transmit and receive circuits S DTMF transmit circuit S Key tone input circuit S Mute control and side tone masking circuits 2) Can be used with 1.3kΩ loop circuit resistance and 100Ω telephone resistance. FBlock diagram 3) A BTL circuit is used for reception output, providing a wide dynamic range which enables use of a ceramic receiver.