PSB2163T-V31TR Infineon Technologies, PSB2163T-V31TR Datasheet - Page 163
PSB2163T-V31TR
Manufacturer Part Number
PSB2163T-V31TR
Description
IC AUDIO RINGING CODEC 28-PDSO
Manufacturer
Infineon Technologies
Series
ARCOFI®r
Datasheet
1.PSB2163T-V31TR.pdf
(279 pages)
Specifications of PSB2163T-V31TR
Function
CODEC Filter
Interface
IOM-2, PCI, Serial
Number Of Circuits
1
Voltage - Supply
5V
Current - Supply
900µA
Power (watts)
1mW
Operating Temperature
-25°C ~ 80°C
Mounting Type
Surface Mount
Package / Case
DSO-28
Includes
Activation and Deactivation, B-Channel and D-Channel HDLC Controllers, D-Channel Priority Handler, Monitor Channel Handler
Lead Free Status / RoHS Status
Request inventory verification / Request inventory verification
Other names
PSB2163T-V31INTR
PSB2163T-V31TR
PSB2163T-V31TR
- Current page: 163 of 279
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Speakerphone Implementation
Figure 15
Explanation of the Controlled Monitoring Mode
Hints for Optimizing
Generally, the controlled monitoring feature should be optimized after having found a
appropriate set of coefficients for the speakerphone. Then, after enabling the
ARCR.CME bit, only fine tuning is necessary. The system should be stable even if the
handset microphone is placed close to the loudspeaker. Due to the instantaneously
switching of the ALS, a reduction of DS and SW (decay speed, switching time) avoids
short-time instabilities. Note, that GAE must be adapted, if amplification in the
loudspeaker amplifier, the microphone amplifier or the GX stage is reprogrammed
(remember figure 14).
Semiconductor Group
162
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