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SI2456 数据表(PDF) 11 Page - Silicon Laboratories |
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SI2456 数据表(HTML) 11 Page - Silicon Laboratories |
11 / 86 page Note 1: R12, R13 and C14 are only required if complex AC termination is used (ACT bit = 1). Note 2: See "Ringer Impedance" section for optional Czech Republic support. Note 3: See "Billing Tone Immunity" section for optional billing tone filter (Germany, Switzerland, South Africa). Note 4: See Appendix for applications requiring UL 1950 3rd edition compliance. Decoupling caps for U1 VD Note 6: L1,L2, C38, C39, R31, R32 are for EN55022/CISPR-22 Conducted Disturbance compliance. Note 5: R27, R28, D3, D4, Z4, Z5, RV2 may be populated for enhanced lightning option. Refer to AN48 for Layout Guidelines Please submit layout to Silicon Labs for review prior to PCB fabrication. VCC D3 RV2 Q3 C3 R10 D1 C39 Z5 RV1 R32 C36 C22 R28 U2 Si3015 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 TSTA/QE2 TSTB/DCT IGND C1B RNG1 RNG2 QB QE VREG NC/VREG2 NC/REF DCT/REXT2 REXT RX NC/FILT TX/FILT2 C38 R31 L1 FB1 FB2 R9 Z4 C37 R11 C5 Y1 1 2 R6 C16 Q1 R5 D2 C4 R12 C13 R18 C30 C18 C26 R2 R25 C27 C20 Q2 C1 C19 R26 R13 C10 U1 Si2456/33/14 1 2 3 4 5 6 7 8 17 18 19 20 21 22 23 24 11 9 10 12 15 16 13 14 CLKIN/XTALI XTALO CLKOUT/A0 FSYNC/D6 VD3.3 GND VDA RTS/D7 VDB GND VD 3.3 ISOB C1A ESC/D3 DCD/D4 SDO/D5 CTS/CS RXD/RD TXD/WR RESET RI/D1 SDI/D2 AOUT/INT INT/D0 Z1 + C14 C25 C7 C24 C9 R24 R27 C8 Q4 C35 + C12 C6 D4 L2 RTSb/AD7 RXD/RDb TXD/WRb CTSb/CSb RESETb FSYNCb/D6 CLKOUT/A0 SDO/D5 DCDb/D4 ESC/D3 AOUT/INTb INTb/D0 RIb/D1 SDI/D2 RING TIP |
类似零件编号 - SI2456 |
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类似说明 - SI2456 |
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