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U4091BM Datasheet, PDF (19/29 Pages) TEMIC Semiconductors – Programmable Telephone Audio Processor | |||
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U4091BM
â10dB
Line
Handset
microâ
phone
Intercom
microâ
phone
ST
VL
MIC1
0dB
MIC2
MIC3
0dB
â3dB ... â10dB and 7dB (NWT)
7dBâ0dB and
20dB (NWT)
Sidetone
balancing
Offset
cancel
1dB steps
DTMF
generator
Filter
30dBâ12dB
â
7dBâ â48dB
6dB steps
1dB steps
DTMF
< â24dBm/
â22dBm >
Offset
cancel
Offset
cancel
32dBâ â23dB
LRX
RXLS
1.5dB steps
26dBâ â3dB and
â10dB (DTMF)
DTMF
EPO
Switching
matrix
1dB steps
9dBâ2dB
MIC
LTX
1dB steps
Answering
machine AMPB
0dB
AMPB AMREC
0dB
SAO1
6dB
Loudâ
speaker
SAO2
RECO1
RECO2
Earpiece
DTMF
< â34dBm/
â32dBm >
VL
8dB
Line
MOD
AMREC Answering
machine
0dB
AGCO AGCI
0dB
AGC
14578
Figure 20. Audio frequency signal management U4091BM
Absolute Maximum Ratings
Parameters
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Line current
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ DC line voltage
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Maximum input current
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Junction temperature
Ambient temperature
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃ Storage temperature
ÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃà Totalpowerdissipation, Tamb = 60°C
Symbol
Value
Unit
IL
140
mA
VL
12
V
IRING
15
mA
Tj
125
°C
Tamb
â25 to +75
°C
Tstg
â55 to +150
°C
Ptot
0.9
W
Thermal Resistance
ÃÃJÃÃunctÃÃionÃÃambÃÃienÃÃt ÃÃSSÃÃPOa4r4aÃÃmetÃÃersÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃÃSRymÃÃthJbAoÃÃl ÃÃÃÃÃÃÃÃVa7l0uÃÃe ÃÃÃÃÃÃÃÃKUÃÃ/nWitÃÃÃÃ
Rev. A1, 02-Jun-98
Target Specification
19 (29)
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