SI3050-E-GS View Datasheet(PDF) - Silicon Laboratories
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SI3050-E-GS Datasheet PDF : 112 Pages
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Si3050 + Si3018/19
Table 2. Loop Characteristics
(VD = 3.0 to 3.6 V, TA = 0 to 70 °C for K-Grade, see Figure 1 on page 6)
Parameter
Symbol
Test Condition
Min Typ Max Unit
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 Detect Voltage*
Ring Frequency
Ringer Equivalence Number
VTR
VTR
VTR
VTR
VTR
VTR
VTR
ILK
ILP
ILP
VRD
VRD
VRD
FR
REN
IL = 20 mA, ILIM = 0
—
—
DCV = 00, MINI = 11, DCR = 0
IL = 120 mA, ILIM = 0
9
—
DCV = 00, MINI = 11, DCR = 0
IL = 20 mA, ILIM = 0
—
—
DCV = 11, MINI = 00, DCR = 0
IL = 120 mA, ILIM = 0
9
—
DCV = 11, MINI = 00, DCR = 0
IL = 20 mA, ILIM = 1
—
—
DCV = 11, MINI = 00, DCR = 0
IL = 60 mA, ILIM = 1
40
—
DCV = 11, MINI = 00, DCR = 0
IL = 50 mA, ILIM = 1
—
—
DCV = 11, MINI = 00, DCR = 0
VTR = –48 V
MINI = 00, ILIM = 0
—
—
10
—
MINI = 00, ILIM = 1
10
—
dc current flowing through ring —
1.5
detection circuitry
RT2 = 0, RT = 0
13.5 15
RT2 = 0, RT = 1
19.35 21.5
RT2 = 1, RT = 1
40.5 45
13
—
—
—
6.0
—
7.5
—
7.5
—
40
5
120
60
3
16.5
23.65
49.5
68
0.2
V
V
V
V
V
V
V
µA
mA
mA
µA
Vrms
Vrms
Vrms
Hz
*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
Si3018/19 VTR
IL
10F
RING –
Figure 1. Test Circuit for Loop Characteristics
6
Rev. 1.31
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