AM79R79-3JC AMD (ADVANCED MICRO DEVICES), AM79R79-3JC Datasheet - Page 13

• Manufacturer Part Number: AM79R79-3JC
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of AM79R79-3JC

• Lead Free Status / RoHS Status: Supplier Unconfirmed

RING-TRIP COMPONENTS
R
Ring waveform rise time
For a 1.25 crest factor @ 20 Hz, tr
C
R
C
R
SLEW
SLEW
RT2
RT
RT1
(R
where R
SLEW
=
=
=
, C
should be changed if a different crest factor is desired.
1.5 F
12 k
300 CF
SLEW
= 150 k , C
LRT
Battery
= Loop-detection threshold resistance for ring trip and CF = Crest factor of ringing signal ( 1.25
----------------------------------------------------------------------------------------------------------------------------------------- -
Vbat 3.5
0
SLEW
–
0.214 (R
= 0.33 F.)
–
15 A 300 CF
10 mS.
SLEW
V
BAT1
C
SLEW
Figure 2. Ringing Waveforms
P R E L I M I N A R Y
)
This is the best time for
switching between Ringing
and other states for minimizing
detect switching transients.
R
LRT
tr.
SLIC Products
+
150
+
2R
F
R
LRT
+
150
+
2R
F
Ringing Reference
(Input to R
B(RING)
A(TIP)
SLEW
)
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