5 / 62 page
Si306x
Preliminary Rev. 0.9
5
Figure 1. Test Circuit for Loop Characteristics
Table 2. Loop Characteristics
(VD = 3.0 to 3.6 V, TA = 0 to 70 °C for F/K-Grade, see Figure 1)
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
DC Termination Voltage
VTR
IL =20mA, MINI = 11,
ILIM = 0, DCV = 00, DCR = 0
——
6.0
V
DC Termination Voltage
VTR
IL = 120 mA, MINI = 11,
ILIM = 0, DCV = 00, DCR = 0
9—
—
V
DC Termination Voltage
VTR
IL =20mA, MINI = 00,
ILIM = 0, DCV = 11, DCR = 0
——
7.5
V
DC Termination Voltage
VTR
IL = 120 mA, MINI = 00,
ILIM = 0, DCV = 11, DCR = 0
9—
—
V
DC Termination Voltage
VTR
IL =20mA, MINI = 00,
ILIM = 1, DCV = 11, DCR = 0
——
7.5
V
DC Termination Voltage
VTR
IL =60mA, MINI = 00,
ILIM = 1, DCV = 11, DCR = 0
40
—
—
V
On Hook Leakage Current
ILK
VTR =–48 V
—
—
3
µA
Operating Loop Current
ILP
MINI = 00, ILIM = 0
10
—
120
mA
Operating Loop Current
ILP
MINI = 00, ILIM = 1
10
—
60
mA
DC Ring Current
—
1.5
3
µA
Ring Detect Voltage*
VRD
RT = 0
13.5
15
16.5
Vrms
Ring Detect Voltage*
VRD
RT = 1
19.35
21.5
23.65
Vrms
Ring Frequency
FR
15
—
68
Hz
Ringer Equivalence Number
REN
—
—
0.2
*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
RING
+
–
V
TR
600
Ω
10
µF
I
L
DAA
Line-side
Device