Si3056
Si3018/19/10
Table 2. Loop Characteristics
(V
D
=
3.0 to 3.6 V, T
A
=
0 to 70 °C,
see
Parameter
DC Termination Voltage
DC Termination Voltage
DC Termination Voltage
DC Termination Voltage
DC Termination Voltage
DC Termination Voltage
DC Termination Voltage
On Hook Leakage Current
Operating Loop Current
Operating Loop Current
DC Ring Current
Ring Detect Voltage*
Ring Detect Voltage*
Ring Frequency
Ringer Equivalence Number
Symbol
V
TR
V
TR
V
TR
V
TR
V
TR
V
TR
V
TR
I
LK
I
LP
I
LP
Test Condition
I
L
= 20 mA, MINI = 11,
ILIM = 0, DCV = 00, DCR = 0
I
L
= 120 mA, MINI = 11,
ILIM = 0, DCV = 00, DCR = 0
I
L
= 20 mA, MINI = 00,
ILIM = 0, DCV = 11, DCR = 0
I
L
= 120 mA, MINI = 00,
ILIM = 0, DCV = 11, DCR = 0
I
L
= 20 mA, MINI = 00,
ILIM = 1, DCV = 11, DCR = 0
I
L
= 60 mA, MINI = 00,
ILIM = 1, DCV = 11, DCR = 0
I
L
= 50 mA, MINI = 00,
ILIM = 1, DCV = 11, DCR = 0
V
TR
= –48 V
MINI = 00, ILIM = 0
MINI = 00, ILIM = 1
DC current flowing through ring
detection circuitry
Min
—
9
—
9
—
40
—
—
10
10
—
13.5
19.35
13
—
Typ
—
—
—
—
—
—
—
—
—
—
1.5
15
21.5
—
—
Max
6.0
—
7.5
—
7.5
—
40
5
120
60
3
16.5
23.65
68
0.2
Unit
V
V
V
V
V
V
V
µA
mA
mA
µA
V
rms
V
rms
Hz
V
RD
V
RD
F
R
REN
RT = 0
RT = 1
*Note:
The ring signal is guaranteed to not be detected below the minimum. The ring signal is guaranteed to be detected
above the maximum.
TIP
+
600
Ω
Si3018
V
TR
10
µF
–
I
L
RING
Figure 1. Test Circuit for Loop Characteristics
6
Rev. 1.05
SILABS [ SILICON LABORATORIES ]
