ROHM Semiconductor BA8216
The BA8216 is a speech network IC which possesses the basic functions required for handset communications. ∆GMIC = 20log (VM1 3 / VM1 2 ) S3: Send and receive switch ( reception side) S4: ON / OFF switch for line resistance (1300Ω) (OFF) S5: ON / OFF switch for parallel resistance (100Ω) (OFF) BA8216 FCircuit opperation The BA8216 carries out the following basic operations.| Part No. | BA8216 |
|---|---|
| Datasheet | BA8216 Download |
| Manufacturer |  ROHM Semiconductor |
| Description | Speech Network for Telephones |
| Buy | Stock & Price |
Communication ICs Speech network for telephones BA8216 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. 4) Few external components required. 5) 14-pin DIP package. 238 Communication ICs FAbsolute maximum ratings (Ta = 25_C) BA8216 239 Communication ICs BA8216 FElectrical characteristics (unless otherwise noted, Ta = 25_C, S1 = 1, S2 =1, f = 1kHz, BPF = 400Hz to 30kHz) 240 Communication ICs FElectrical characterist...
