SI2401-FS Silicon Laboratories Inc, SI2401-FS Datasheet - Page 71

• Manufacturer Part Number: SI2401-FS
• Description: IC ISOMODEM SYSTEM-SIDE 16SOIC
• Manufacturer: Silicon Laboratories Inc
• Type: Integrated Global DAAr

Specifications of SI2401-FS

• Package / Case: 16-SOIC (3.9mm Width)
• Data Format: V.21, V.22, V.23, Bell 103, Bell 212A
• Baud Rates: 2.4k
• Interface: UART
• Voltage - Supply: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Product: Modem Chip
• Supply Voltage (min): 3 V
• Supply Current: 15 mA
• Maximum Operating Temperature: + 100 C
• Minimum Operating Temperature: - 10 C
• Mounting Style: SMD/SMT
• Package: 16SOIC
• Main Category: Chipset
• Sub-category: ISOmodem
• Maximum Data Rate: 2.4 Kbps
• Typical Operating Supply Voltage: 3.3 V
• Power Supply Type: Digital
• Typical Supply Current: 10 mA
• Minimum Operating Supply Voltage: 3 V
• Maximum Operating Supply Voltage: 3.6 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: 336-1167 - BOARD EVAL SI2401 UART INTERFACE
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 336-1095

9. Pin Descriptions: Si3010
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
C1B
C2B
QE2
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 1.
Provides Internal Bias.
Isolation Capacitor 1B.
Connects to one side of isolation capacitor C1 and communicates with the Si2401.
Isolation Capacitor 2B.
Connects to one side of isolation capacitor C2 and communicates with the Si2401.
Voltage Regulator.
Connects to an external capacitor to provide bypassing for an internal power supply.
Ring 1.
Connects through a capacitor to the RING lead of the telephone line. Provides the ring
and caller ID signals to the Si2401.
Ring 2.
Connects through a capacitor to the TIP lead of the telephone line. Provides the ring
and caller ID signals to the Si2401.
Voltage Regulator 2.
Connects to an external capacitor to provide bypassing for an internal power supply.
Circuit Enable.
Enables transistor network.
Transistor Emitter 2.
Connects to the emitter of Q4.
Transistor Base.
Connects to the base of transistor Q3. Used to go on- and off-hook.
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 23. Si3010 Pin Descriptions
VREG
RNG1
DCT
C2B
C1B
QE
RX
IB
1
2
3
4
5
6
7
8
Rev. 1.0
16
15
14
13
12
11
10
9
Description
DCT2
DCT3
RNG2
IGND
QB
QE2
SC
VREG2
Si2401
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