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SI3200-X-FS Fiches technique(PDF) 1 Page - Silicon Laboratories |
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SI3200-X-FS Fiches technique(HTML) 1 Page - Silicon Laboratories |
1 / 128 page Preliminary Rev. 0.96 2/05 Copyright © 2005 by Silicon Laboratories Si3232 This information applies to a product under development. Its characteristics and specifications are subject to change without notice. Si3232 DUAL PROGRAMMABLE CMOS SLIC WITH LINE MONITORING Features Applications Description The Si3232 is a low-voltage CMOS SLIC that offers a low-cost, fully software- programmable, dual-channel, analog telephone interface for customer premise (CPE) applications. Internal ringing generation eliminates centralized ringers and ringing relays, and on-chip subscriber loop testing allows remote line card and loop diagnostics with no external test equipment or relays. The Si3232 performs all programmable SLIC functions in compliance with all relevant LSSGR, ITU, and ETSI specifications; all high-voltage functions are performed by the Si3200 linefeed interface IC. The Si3232 operates from a single 3.3 V supply and interfaces to a standard SPI bus digital interface for control. The Si3200 operates from a 3.3 V supply as well as high-voltage battery supplies up to 100 V. The Si3232 is available in a 64-pin thin quad flat package (TQFP), and the Si3200 is available in a thermally-enhanced 16-pin small-outline (SOIC) package. Functional Block Diagram Ideal for customer premise applications Low standby power consumption: <65 mW per channel Internal balanced ringing to 65 Vrms Software programmable parameters: Ringing frequency, amplitude, cadence, and waveshape Two-wire ac impedance DC loop feed (18–45 mA) Loop closure and ring trip thresholds Ground key detect threshold Automatic switching of up to three battery supplies On-hook transmission Loop or ground start operation with smooth/abrupt polarity reversal SPI bus digital interface with programmable interrupts 3.3 V operation GR-909 loop diagnostics and loopback testing 12 kHz/16 kHz pulse metering Lead-free/RoHS compatible packages available Cable telephony Wireless local loop Voice over IP/voice over DSL ISDN terminal adapters Si3200 Linefeed Interface Si3200 Linefeed Interface TIP RING TIP RING INT RESET SPI Control Interface SCLK SDI CS VRXPa VRXNa VTXPb VTXNb VTXPa VTXNa VRXPb VRXNb PLL PCLK Si3232 VCM SDO FSYNC U.S. Patent #6,567,521 U.S. Patent #6,812,744 Other patents pending Ordering Information See page 122. |
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Description similaire - SI3200-X-FS |
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