PSB4596 Siemens Semiconductor Group, PSB4596 Datasheet - Page 84

• Manufacturer Part Number: PSB4596
• Description: Analog Line Interface Solution ALIS
• Manufacturer: Siemens Semiconductor Group

11.2.1 DC Termination
The DC termination is enabled in conversation mode and is disabled during ringing
mode, puls dialing mode and sleep mode. The DC termination can be programmed
according to the formula:
for i < Imax
for i > Imax
Note: U
11.2.2 Programming Ranges for DC Termination
Table 13: Programming Range for Imax
Table 14: Programming Range for U
Table 15: Programming Range for R
Note: For programming details, see “XR3 Extended Register 3 (DC Characteristic)” on
Semiconductor Group
i u
i u
in the external bridge (typ. 2 x 0.4 V)
page 47
=
0
=
is the sum of the U value listed in table 14 and the flow voltage of the diodes
-------------------- -
u Uo
Imax
–
R
U (DCU)
R (DCR)
100 mA
200
240
280
50 mA
100
70
Imax
1.5 V
3.5 V
7.2 V
0 V
84
Analog Line Interface Solution
Electrical Characteristics
PSB 4595 / PSB 4596
Data Sheet 06.98