PSB21473FV13XT Infineon Technologies, PSB21473FV13XT Datasheet - Page 384

• Manufacturer Part Number: PSB21473FV13XT
• Manufacturer: Infineon Technologies

Specifications of PSB21473FV13XT

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3.135V
• Operating Supply Voltage (max): 3.6V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 144
• Lead Free Status / RoHS Status: Compliant

Data Sheet
Figure 20-10 Echo Suppression Unit - States of Operation
Figure 20-11 shows the signal flow graph of the echo suppression unit in more detail.
Figure 20-11 Echo Suppression Unit - Block Diagram
loudspeaker
microphone
idle state
transmit state
receive state
SCAS
SDX
GHR
loudspeaker
loudspeaker
loudspeaker
AGCX
microphone
microphone
microphone
LGAR
Attenuation
Control
384
LGAX
GHX
SDR
Digital Signal Processor
AGCR
SCLS
line out
line in
line out
line in
line out
line in
PSB 21473
line out
line in
2003-03-31
INCA-D