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SI3200-X-FS Datasheet(PDF) 1 Page - Silicon Laboratories |
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SI3200-X-FS Datasheet(HTML) 1 Page - Silicon Laboratories |
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1 / 112 page  Rev. 1.2 2/06 Copyright © 2006 by Silicon Laboratories Si3220/25 Si3220/25 DUAL PROSLIC® PROGRAMMABLE CMOS SLIC/CODEC Features Applications Description The Dual ProSLIC® is a series of low-voltage CMOS devices that integrate both SLIC and codec functionality into a single IC to provide a complete dual-channel analog telephone interface in accordance with all relevant LSSGR, ITU, and ETSI specifications. The Si3220 includes internal ringing generation to eliminate centralized ringers and ringing relays, and the Si3225 supports centralized ringing for long loop and legacy applications. On-chip subscriber loop and audio testing allows remote diagnostics and fault detection with no external test equipment or relays. The Si3220 and Si3225 operate from a single 3.3 or 5 V supply and interface to standard PCM/SPI or GCI bus digital interfaces. The Si3200 linefeed interface IC performs all high-voltage functions and operates from a 3.3 V or 5 V supply as well as single or dual battery supplies up to 100 V. The Si3220 and Si3225 are 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 Performs all BORSCHT functions Ideal for applications up to 18 kft Internal balanced ringing to 65 Vrms (Si3220) External bulk ringer support (Si3225) Software-programmable parameters: Ringing frequency, amplitude, cadence, and waveshape (Si3220) Two-wire ac impedance Transhybrid balance DC current 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 Modem/fax tone detection DTMF generation/decoding Dual tone generators A-Law/µ-Law, linear PCM companding PCM and SPI bus digital interfaces with programmable interrupts GCI mode support 3.3 or 5 V operation GR-909 loop diagnostics Audio diagnostics with loopback 12 kHz/16 kHz pulse metering (Si3220) FSK caller ID generation Lead-free/RoHS-compliant Digital loop carriers Central Office telephony Pair gain remote terminals Wireless local loop Private Branch Exchange (PBX) systems Cable telephony Voice over IP/voice over DSL ISDN terminal adapters text DAC ADC Linefeed Control Linefeed Monitor DAC ADC Linefeed Control Linefeed Monitor SLIC A SLIC B Codec A Codec B DSP SPI Control Interface PCM / GCI Interface PLL Si3220/25 Linefeed Interface Linefeed Interface 2-Wire AC Impedance Hybrid Balance Pulse Metering Subscriber Line Diagnostics DTMF Decode Programmable Audio Filters Gain Adjust Dual Tone Generators Modem Tone Detection Ringing Generator & Ring Trip Sense Loop Closure, & Ground Key Detection FSK Caller ID Relay Drivers CS SCLK SDO SDI DTX DRX FSYNC INT RESET PCLK TIP Channel A RING TIP RING Channel B U.S. Patent #6,567,521 U.S. Patent #6,812,744 Other patents pending Ordering Information See “Dual ProSLIC Selection Guide” on page 109. Part Number Ringing Method Si3220 Internal Si3225 External Ringer |
Número de pieza similar - SI3200-X-FS |
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Descripción similar - SI3200-X-FS |
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