PEF2091 Siemens Semiconductor Group, PEF2091 Datasheet - Page 264

• Manufacturer Part Number: PEF2091
• Description: ICs for Communications(ISDN Echocancellation Circuit)
• Manufacturer: Siemens Semiconductor Group

PEB 2091
PEF 2091
Electrical Characteristics
8.3
Line Overload Protection
The maximum input current (under overvoltage conditions) is given as a function of the
width of a rectangular input current pulse as outlined in the following figure.
Device under test
Condition: All other pins grounded
t
t
WI
ITS04532
Figure 100
Test Condition for Maximum Input Current
Line Input Current
The destruction limits for AOUT, BOUT, AIN and BIN are given in Figure 101.
A
5
1
0.1
0.01
0.005
t
WI
-9
-3
-1
10
10
10
1 s
ITD09846
Figure 101
U transceiver Input Current
Semiconductor Group
264
Data Sheet 01.99