L9216B/H
High-Voltage Ringing SLIC with Ground Start
Preliminary Data Sheet
September 2001
Electrical Characteristics
(continued)
Table 17. Ringing Specifications
Parameter
RING
IN
(This input is ac coupled through 0.47 µF.):
Input Voltage Swing
Input Impedance
Ring Signal Isolation:
PT/PR to VITR
Ring Mode
Ring Signal Isolation:
RING
IN
to PT/PR
Nonring Mode
Ringing Voltage (5 REN 1380
Ω
+ 40 µF load, 100
Ω
loop, 2 x 50
Ω
protection
resistors, –70 V battery)
Ringing Voltage (3 REN 2310
Ω
+ 24 µF load, 250
Ω
loop, 2 x 50
Ω
protection
resistors, –70 V battery)
Ring Signal Distortion:
5 REN 1380
Ω,
40 µF Load, 100
Ω
Loop
3 REN 2310
Ω,
24 µF Load, 250
Ω
Loop
Differential Gain:
RING
IN
to PT/PR—No Load
Table 18. Ring Trip
Parameter
Ring Trip (NSTAT = 0): Loop Resistance (total) High Battery
Ring Trip (NSTAT = 1): Loop Resistance (total) High Battery
Trip Time (f = 20 Hz)
Ringing will not be tripped by the following loads:
s
s
Min
0
—
—
Typ
—
100
60
Max
V
CC
—
—
Unit
V
kΩ
dB
—
80
—
dB
40
40
—
—
—
—
Vrms
Vrms
—
—
—
3
3
55
—
—
—
%
%
—
Min
100
—
—
Typ
—
—
—
Max
600
10
100
Unit
Ω
kΩ
ms
10 kΩ resistor in parallel with a 6 µF capacitor applied across tip and ring. Ring frequency = 17 Hz to 23 Hz.
100
Ω
resistor in series with a 2 µF capacitor applied across tip and ring. Ring frequency = 17 Hz to 23 Hz.
18
Agere Systems Inc.
ZARLINK [ ZARLINK SEMICONDUCTOR INC ]
