Preliminary Data Sheet
September 2001
High-Voltage Ringing SLIC for VoIP Applications
L9500A
Agere Systems Inc.
13
Electrical Characteristics
(continued)
Table 9. 3.3 V Supply Currents
V
BAT1
= –70 V, V
BAT2
= –21 V, V
CC
= 3.3 V.
Table 10. 3.3 V Powering
V
BAT1
= –70 V, V
BAT2
= –21 V, V
CC
= 3.3 V.
Parameter
Min
Typ
Max
Unit
Supply Currents (scan state; no loop current):
I
VCC
I
VBAT1
I
VBAT2
Supply Currents (forward/reverse active; no loop current, V
BAT2
applied):
I
VCC
I
VBAT1
I
VBAT2
Supply Currents (on-hook transmission mode; no loop current, V
BAT1
applied):
I
VCC
I
VBAT1
I
VBAT2
Supply Currents (disconnect mode):
I
VCC
I
VBAT1
I
VBAT2
Supply Currents (ground start mode, no loop current):
I
VCC
I
VBAT1
I
VBAT2
Supply Currents (ring mode; no load):
I
VCC
I
VBAT1
I
VBAT2
—
—
—
3.2
0.24
3
3.6
0.35
6
mA
mA
μ
A
—
—
—
4.8
25
1.2
5.7
85
1.4
mA
μ
A
mA
—
—
—
4.9
1.5
1.5
5.7
1.9
6
mA
mA
μ
A
—
—
—
1.8
8
2
2.5
110
25
mA
μ
A
μ
A
—
—
—
3.1
0.24
2
—
—
—
mA
mA
μ
A
—
—
—
4.70
1.8
2
5.4
2.2
6
mA
mA
μ
A
Parameter
Min
—
—
—
—
—
—
Typ
27
42
121
6.5
27
141
Max
36.5
53
151
15
—
172
Unit
mW
mW
mW
mW
mW
mW
Power Dissipation (scan state; no loop current)
Power Dissipation (forward/reverse active; no loop current, V
BAT2
applied)
Power Dissipation (on-hook transmission mode; no loop current, V
BAT1
applied)
Power Dissipation (disconnect mode)
Power Dissipation (ground start mode)
Power Dissipation (ring mode; no loop current)