AS2522BF austriamicrosystems AG, AS2522BF Datasheet - Page 6

• Manufacturer Part Number: AS2522BF
• Description: Telephone Line Interface and Speakerphone Circuit
• Manufacturer: austriamicrosystems AG

Data Sheet AS2522B
Revision 3.4
Rx > Tx_atten
Tx_atten > Rx
Tx_atten > Rx
RO
+3dB
LINE
+14dB
Vol max
+8dB
RECV
RECI
FT2
Speech
Offset
Offset
comp
comp
YES
NO
X
CTXoffset
Vol default
Compress
Compress
RX-mode
Transmit
voice switching circuit
Receive
Mode
Idle
TX_atten
RX
detector
detector
Peak
Peak
Vol min
switching
Voice
IDLE-mode
0db to -20dB
Rx-gain
-50dB
-25
speech
switching
0dB
-10dB
-20dB
-30dB
-40dB
-50dB
Voice
-25dB
Backgnd
Gmax = +9dB
Gmin = -21dB … -40dB (VOL)
Gmax = -4dB … +16dB (VOL)
Gmin = -33dB
monitor
noise
CBN
speech
-50dB to -30dB
Tx-gain
0dB
-25
TX-mode
CBckgnd
TX-gain
RX-gain
detector
Peak
adjustable with VOL-setting
independent of VOL-setting
Compress
middle position
Remark
Cmicoffset
FT1
Offset
comp
Page 6 of 19
+23dB
+12dB