SI2415-FTR Silicon Laboratories Inc, SI2415-FTR Datasheet - Page 69
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SI2415-FTR
Manufacturer Part Number
SI2415-FTR
Description
Manufacturer
Silicon Laboratories Inc
Datasheet
1.SI2415-FTR.pdf
(74 pages)
Specifications of SI2415-FTR
Lead Free Status / Rohs Status
Supplier Unconfirmed
- Current page: 69 of 74
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10. Pin Descriptions: Si3018/10
Pin #
10
12
13
14
15
16
11
1
2
3
4
5
6
7
8
9
Pin Name
VREG2
VREG
RNG1
RNG2
DCT3
DCT2
IGND
DCT
QE2
C1B
C2B
QE
SC
QB
RX
IB
Transistor Emitter.
Connects to the emitter of Q3.
DC Termination.
Provides dc termination to the telephone network.
Receive Input.
Serves as the receive side input from the telephone network.
Internal Bias.
Provides a bias voltage to the device.
Isolation Capacitor 1B.
Connects to one side of isolation capacitor C1 and communicates with the system side.
Isolation Capacitor 2B.
Connects to one side of isolation capacitor C2 and communicates with the system side.
Voltage Regulator.
Connects to an external capacitor to provide bypassing for an internal power supply.
Ring 1.
Connects through a resistor to the RING lead of the telephone line. Provides the ring and
caller ID signals to the Si2457/34/15/04.
Ring 2.
Connects through a resistor to the TIP lead of the telephone line. Provides the ring and
caller ID signals to the Si2457/34/15/04.
Voltage Regulator 2.
Connects to an external capacitor to provide bypassing for an internal power supply.
SC Connection.
Enables external transistor network. Should be tied through a 0 Ω resistor to I
Transistor Emitter 2.
Connects to the emitter of Q4.
Transistor Base.
Connects to the base of transistor Q4.
DC Termination 3.
Provides the dc termination to the telephone network.
Isolated Ground.
Connects to ground on the line-side interface.
DC Termination 2.
Provides dc termination to the telephone network.
Table 18. Si3018 Pin Descriptions
VREG
RNG1
DCT
C1B
C2B
QE
RX
IB
2
5
8
1
3
4
6
7
Si3018/10
Rev. 1.1
16
15
13
12
11
10
14
9
Description
DCT2
IGND
DCT3
QB
QE2
SC
VREG2
RNG2
Si2457/34/15/04
GND
.
69
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