SI2401-FS View Datasheet(PDF) - Silicon Laboratories
Part Name
Description
Manufacturer
SI2401-FS Datasheet PDF : 72 Pages
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Si2401/Si3008
1. Electrical Specifications
Table 1. Recommended Operating Conditions
Parameter1
Symbol
Test Condition
Min2 Typ Max2 Unit
Ambient Temperature
TA
F-Grade
0
25
70
°C
Si2401 Supply Voltage, Digital3
VD
3.0
3.3
3.6
V
Notes:
1. The Si2401 specifications are guaranteed when the typical application circuit (including component tolerance) and Si2401
and Si3008 are used. See "2. Typical Application Schematic" on page 9.
2. All minimum and maximum specifications are guaranteed and apply across the recommended operating conditions. Typical
values apply at nominal supply voltages and an operating temperature of 25 °C unless otherwise stated.
3. The digital supply, VD, operates from 3.0 to 3.6 V. The Si2401 interface supports 5 V logic (CLKIN/XTALI supports 3.3 V
logic only).
Table 2. Loop Characteristics
(VD = 3.0 to 3.6 V, TA = 0 to 70 °C, see Figure 1)
Parameter
Symbol
Test Condition
Min Typ Max Unit
DC Termination Voltage
DC Termination Voltage
On-Hook Leakage Current
Operating Loop Current
DC Ring Current
Ring Detect Voltage*
Ring Frequency
Ringer Equivalence Number
VTR
IL = 20 mA
—
VTR
IL = 120 mA
9
ILK
VTR = –100 V
—
ILP
15
dc current flowing
—
through
ring detection circuitry
VRD
10
FR
15
REN
—
—
7.5
V
—
—
V
—
12 µA
— 120 mA
1.5
3
µA
15
35
Vrms
—
68
Hz
—
0.2
*Note: The ring signal is guaranteed to be undetected below the minimum. The ring signal is guaranteed to be detected above
the maximum.
4
Rev. 1.1
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