參數(shù)資料
型號(hào)： SI2457-D-GT
廠商： Silicon Laboratories Inc
文件頁(yè)數(shù)： 7/60頁(yè)
文件大?。?/td> 0K
描述： IC ISOMODEM GLOBAL DAA 24TSSOP
標(biāo)準(zhǔn)包裝： 62
系列： *
Si2457/34/15/04
Rev. 1.3
15
Data Format
Bit asynchronous
Selectable 8, 9, 10, or 11 bits per character, which includes
the start, stop, and parity bits
Compatibility
ITU-T V.901, V.342, V.32bis, V.32, V.23, V.22bis, V.22, V.21,
Bell 212A, and Bell 103
Operating Mode
Switched network
Two-wire full duplex
Data Modulation
28 to 56 kbps1
2.4 to 33.6 kbps2
14.4 kbps3
12.0 kbps3
9600 bps3
7200 bps3
4800 bps3
2400 bps
1200 bps
300 bps
V.90 as specified by ITU-T
V.34 as specified by ITU-T
128-level TCM/2400 Baud ±0.01%
64-level TCM/2400 Baud ±0.01%
32-level TCM/2400 Baud ±0.01%
16-level QAM/2400 Baud ±0.01%
V.29 QAM as specified by ITU-T
16-level TCM/2400 Baud ±0.01%
4-level QAM/2400 Baud ±0.01%
16-level QAM/600 Baud ±0.01%
4-level PSK/600 Baud ±0.01%
FSK 300 Baud ±0.01%
Answer Tone
ITU-T V.32bis, V.32, V.22bis, V.22, and V.21
modes
Bell 212A and 103 modes
2100 Hz ±3 Hz
2225 Hz ±3 Hz
Transmit Carrier
V.901
V.342
ITU-T V.32bis3
ITU-T V.323
ITU-T V.293
ITU-T V.22, V.22bis/Bell 212A
Originate mode
Answer mode
ITU-T V.21
Originate mode
Answer mode
Bell 103
Originate mode
Answer mode
As specified by ITU-T
1800 Hz ±0.01%
1700 Hz±1 Hz
1200 Hz ±0.5 Hz
2400 Hz ±1 Hz
Mark (980 Hz ±12 Hz) Space (1180 Hz ±12 Hz)
Mark (1650Hz ±12Hz) Space (1850Hz ±12Hz)
Mark (1270Hz ±12Hz) Space (1070Hz ±12Hz)
Mark (2225Hz ±12Hz) Space (2025Hz ±12Hz)
Output Level
Permissive—Switched network
–9 dBm maximum
Table 7. Protocol Characteristics (Continued)
Item
Specification
Notes:
1. Supported on Si2457 only.
2. Supported on Si2457 and Si2434 only.
3. Supported on Si2457, Si2434, and Si2415 only.
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SI2457-D-GTR 制造商:Silicon Laboratories Inc 功能描述:56 KBPS, V.90 ISOMODEM SYSTEM- 制造商:Silicon Laboratories Inc 功能描述:56 KBPS, V.90 ISOMODEM SYSTEM-SIDE - LEAD-FREE - Tape and Reel 制造商:Silicon Laboratories Inc 功能描述:IC ISOMODEM GLOBAL DAA 24TSSOP 制造商:Silicon Laboratories Inc 功能描述:56 kbps V90 ISOmodem System-Side PBF
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