L9214A/G
Low-Cost Ringing SLIC
Preliminary Data Sheet
October 2001
Electrical Characteristics (continued)
Table 16. Ring Trip (3 REN Configuration)
Parameter
Min
Typ
Max
Unit
Ring Trip (NSTAT = 0): Loop Resistance (total)
Ring Trip (NSTAT = 1): Loop Resistance (total)
Ringer Load
0
—
—
—
—
1000
Ω
10
—
—
—
2330 Ω + 24 µF
130
kΩ
—
Trip Time (f = 20 Hz)
ms
Ringing will not be tripped by the following loads:
■ 100 Ω resistor in series with a 2 µF capacitor applied across tip and ring. Ring frequency = 17 Hz to 23 Hz.
■ 10 kΩ resistor in parallel with a 4 µF capacitor applied across tip and ring. Ring frequency = 17 Hz to 23 Hz.
Table 17. Ring Trip (5 REN Configuration)
Parameter
Min
Typ
Max
Unit
Ring Trip (NSTAT = 0): Loop Resistance (total)
Ring Trip (NSTAT = 1): Loop Resistance (total)
Ringer Load
0
—
—
—
—
600
Ω
10
—
—
—
1386 Ω + 40 µF
150
kΩ
—
Trip Time (f = 20 Hz)
ms
Ringing will not be tripped by the following loads:
■ 100 Ω resistor in series with a 2 µF capacitor applied across tip and ring. Ring frequency = 17 Hz to 23 Hz.
■ 10 kΩ resistor in parallel with a 6 µF capacitor applied across tip and ring. Ring frequency = 17 Hz to 23 Hz.
Note: Refer to the application section for further description of the 3 REN configuration vs. 5 REN configuration.
Agere Systems Inc.
21
AGERE [ AGERE SYSTEMS ]
