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SI3227 Datasheet(PDF) 1 Page - Silicon Laboratories |
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SI3227 Datasheet(HTML) 1 Page - Silicon Laboratories |
1 / 38 page Preliminary Rev. 0.33 6/07 Copyright © 2007 by Silicon Laboratories Si3226/7 Si3208/9 This information applies to a product under development. Its characteristics and specifications are subject to change without notice. Si3226/7 Si3208/9 DUAL PROSLIC® WITH DC-DC CONTROLLER Features Applications Description The Dual ProSLIC® is a family of low-voltage CMOS devices that integrate both SLIC and CODEC functionality into a single IC. In combination with a linefeed IC (LFIC), they provide a complete two-channel analog telephone interface in accordance with all relevant LSSGR, ITU, and ETSI specifications. The Dual ProSLIC devices (Si3226/7) operate from a single 3.3 V supply and interface to standard PCM/SPI or GCI bus digital interfaces. The LFICs (Si3208/9) perform all high-voltage functions and operate from a 3.3 V supply as well as high-voltage battery supplies. The Si3208 is rated for –110 V, and the Si3209 is rated for – 135 V. The Dual ProSLIC devices are available in a 64-pin thin quad flat package (TQFP), and the LFICs are available in a 40-pin, quad flat no-lead package (QFN). Functional Block Diagram Performs all BORSCHT functions Ideal for short- or long-loop applications Internal balanced or unbalanced ringing Low power consumption Software-programmable parameters: Ringing frequency, amplitude, cadence, and waveshape Two-wire ac impedance Transhybrid balance DC current loop feed (10–45 mA) Loop closure and ring trip thresholds Ground key detect threshold Integrated dc-dc controller Wideband CODEC (Si3227) Low-power sleep mode On-hook transmission Loop or ground start operation Smooth polarity reversal DTMF generator/decoder A-Law/µ-Law companding, linear PCM PCM and SPI bus digital interfaces with programmable interrupts GCI/IOM-2 mode support 3.3 V operation GR-909 loop diagnostics Audio diagnostics with loopback Pb-free/RoHS-compliant packaging Customer Premises Equipment (CPE) Optical Network Terminals (ONT) Private Branch Exchange (PBX) Cable EMTAs, ATAs, VoIP Gateways RING TIP RING TIP SPI Control Interface PCM/ GCI Interface DSP DTMF & Tone Gen Caller ID Ringing Generator ADC DAC CODEC ADC DAC CODEC SLIC Linefeed Control Linefeed Monitor SLIC Linefeed Control Linefeed Monitor Channel 1 Channel 2 DC-DC Controller Line Diagnostics PLL PCLK FSYNC DRX DTX CS SDI SDO SCLK INT RST Si3226 Si3206 DC-DC BOM VDC VBAT RING TIP RING TIP SPI Control Interface PCM/ GCI Interface DSP DTMF & Tone Gen Caller ID Ringing Generator ADC DAC CODEC ADC DAC CODEC ADC DAC CODEC ADC DAC CODEC SLIC Linefeed Control Linefeed Monitor SLIC Linefeed Control Linefeed Monitor Channel 1 Channel 2 DC-DC Controllers Line Diagnostics PLL PCLK FSYNC DRX DTX CS SDI SDO SCLK INT RST Si3226/7 DC-DC BOM VDC VBAT Si3208/9 Patents pending Ordering Information See page 33. |
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