SI2493-C-FS Silicon Laboratories Inc, SI2493-C-FS Datasheet - Page 8

• Manufacturer Part Number: SI2493-C-FS
• Description: IC ISOMODEM SYSTEM-SIDE 16SOIC
• Manufacturer: Silicon Laboratories Inc

Specifications of SI2493-C-FS

• Mfg Application Notes: SI2493/57/34/15/04, Appl Note AN93
• Data Format: V.21, V.22, V.23, V.29, V.32, V.34, V.90, V.92, Bell 103, Bell 212A
• Baud Rates: 56k
• Interface: UART
• Voltage - Supply: 3 V ~ 3.6 V
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AN93
8
*Note: While the Si2493/57/34/15/04 family allows any supported protocol with any modulation, some other
Protocol
Originate (M/S)
Originate (M/S)
MNP2-4
Specification
Answer (M/S)
Answer (M/S)
V.42bis
V.22bis, V.22
MNP5
V.44
V.42
manufacturers’ modems may not permit some combinations. This is particularly common with 300 bps modulations.
Originate
Bell212A
Originate
V.32bis
Answer
Answer
Bell103
V.92
V.90
V.34
V.32
V.29
V.21
Transmit Carrier
Error Correction
Error Correction
Compression
Compression
Compression
1850/1650
1270/1070
2225/2025
Function
1180/980
Variable
Variable
Variable
1800
1800
1700
1200
2400
1200
2400
(Hz)
Table 2. Modulations and Protocols*
Table 3. Carriers and Tones
Receive Carrier
1850/1650
2225/2025
1270/1070
1180/980
Variable
Variable
Variable
Rev. 0.9
1800
1800
1700
2400
1200
2400
1200
(Hz)
Si2493
Si2457
Tone (Hz)
Answer
2100
2100
2100
2100
2225
2225
Si2434
Carrier Detect (Acquire/
–43 dBm/–48 dBm
–43 dBm/–48 dBm
–43 dBm/–48 dBm
–43 dBm/–48 dBm
–43 dBm/–48 dBm
–43 dBm/–48 dBm
–43 dBm/–48 dBm
–43 dBm/–48 dBm
per ITU-T V.32bis
per ITU-T V.92
per ITU-T V.90
per ITU-T V.34
per ITU-T V.32
per ITU-T V.29
Si2415
Release)
Si2404