SI32171-C-FM1 Silicon Labs

Si3217x-C ProSLIC Single-Chip FXS Solutions Description - Tracking dc-dc controller with direct connection to MOSFET The Si3217x devices are pin-compatible single-channel ProSLIC - Wideband voice support (Si32172/3/6/7) products that implement a complete foreign exchange station - On-hook transmission (FXS) telephony interface solution in accordance with all relevant - Loop or ground start operation LSSGR, ITU, and ETSI specifications. The Si3217x ProSLIC ICs - Smooth polarity reversal are available in a 5x7 mm 42-pin QFN package and operate from - A-Law/u-Law companding, linear PCM a 3.3 V supply and support 3.3 V and 1.8 V I/O. - Software-programmable parameters: The Si32170/1/6/7 devices use a standard PCM/SPI digital - Ringing frequency, amplitude, cadence, and waveshape interface to connect to SoCs, while the Si32172/3/5 devices use - Two-wire ac impedance Silicon Labs proprietary three-wire digital Integrated Serial - Transhybrid balance Interface (ISI) to connect to SoCs with the ISI pre-integrated. - DC current loop feed (10-45 mA) The Si3217x integrated dc-dc controller automatically generates - Loop closure and ring trip thresholds the optimal battery voltages required for each line state. The Si3217x ICs are available with voltage ratings of 110 V or 140 V - Ground key detect threshold to support a wide range of ringing voltages. See the Ordering - DTMF generation Guide for the voltage rating of each Si3217x version. - DTMF detection (Si32170/1/5) For more information, visit the Si3217x ProSLIC web page. - Pulse metering Features - 3.3 V operation - Complete FXS solution in 5x7 mm - Support for 1.8 V I/O - Choice of PCM/SPI Interfaces or 3-wire ISI bus that combines - Maximum battery up to 140 V PCM, SPI, and interrupt data - Performs all BORSCHT functions - Pb-free/RoHS-compliant packaging - Ideal for short to medium loops Applications - Global programmability - Customer Premise Equipment (CPE) - Internal balanced or unbalanced ringing - VoIP DSL Gateways and Routers - Patented low power ringing - Wireless Local Loop (WLL) - Simplified configuration and diagnostics - Integrated Access Devices (IAD) - Supported by ProSLIC API - Analog Terminal Adapters (ATA) - Ultra low power consumption - Small Office/Home Office PBX Ordering Guide Part SoC Interface Max Vbat Wideband DTMF Detection Pulse Metering Temperature Si32170-C-FM1 0 to 70 C PCM/SPI 140 V Si32170-C-GM1 40 to 85 C Si32171-C-FM1 0 to 70 C PCM/SPI 110 V Si32171-C-GM1 40 to 85 C Si32172-C-FM1 0 to 70 C ISI 110 V Si32172-C-GM1 40 to 85 C Si32173-C-FM1 0 to 70 C ISI 140 V Si32173-C-GM1 40 to 85 C Si32175-C-FM1 0 to 70 C ISI 110 V Si32175-C-GM1 40 to 85 C Si32176-C-FM1 0 to 70 C PCM/SPI 110 V Si32176-C-GM1 40 to 85 C Si32177-C-FM1 0 to 70 C PCM/SPI 140 V Si32177-C-GM1 40 to 85 C Functional Block Diagrams COCOCODECDECDEC SLSLICIC PCM/PCM/ COCOCODEDEDECCC SLISLICC FFSYNCSYNC DTMFDTMF & & DTDTMMFF & & TIP TIP DRXDRX GCGCII LiLinefnefeeeded MISO LiLinefeednefeed ADC ADC ToTone Gne Geenn ADCADC Tone GeTone Genn ADCADC ContContrrooll DTDTXX MOSI CControntrooll IInntteerfacerface FXS FXS CallCaller IDer ID RING Integrated LiLinefnefeeeded CallCaller IDer ID LiLinefeednefeed RING CSCS DAC DACDAC DAC MMonitonitoorr Serial DACDAC MonMoniitortor SDISDI Interface SPSPII IntSPIerface RinRingginingg SDOSDO RiRingingnging CoControntroll GGeneeneratoratorr SCLSCLKK GeGeneratornerator DSPDSP InIntteerfrfaaccee DSDSPP ININTT LineLine D Diiagnagnostiosticscs RSTRST LLiine Dne Diiagnosagnosticstics PCLPCLKK PLPLLL DDCC-DC Co-DC Controntrollllerer PSCLK DC-DC Controller PLLPLL DC-DC Controller Si32170/1/6/7 Si32172/3/5 ProSLIC Copyright 2013 by Silicon Laboratories 5.10.2013 ProgProgramrammmaabblele ACAC I Immpepedadancence anand Hd Hyybbrridid Linefeed PProgrogrrammammaable ble AACC Impe Impedancedance and Hybridand Hybrid LinefeedSi3217x-C ProSLIC Single-Chip FXS Solutions Selected Electrical Specifications Parameter Symbol Test Condition Min Typical Max Unit Ambient Temperature T F-Grade 0 25 70 C A G-Grade 40 25 85 C Supply Voltage V 3.13 3.3 3.47 V DD Battery Voltage, Si32171/2/5/6 V 110 95 15 V BAT Battery Voltage, Si32171/3/7 V 140 130 15 V BAT Maximum Loop Resistance (loop + load) R R = 430 , I = 18 mA, 2000 LOOP DC,MAX LOOP V = 52 V, R = 0 , BAT PROT DC Differential Output Resistance R I < I 160 640 DO LOOP LIM Idle Channel Noise C-Message weighted 8 12 dBrnC Psophometric weighted 82 78 dBmP PSRR from V , V 3.3 V RX and TX, 200 Hz to 3.4 kHz 55 0 dB DD DDIO Longitudinal to Metallic/PCM Balance (for- 200 Hz to 1 kHz 58 60 dB ward or reverse) 1 kHz to 3.4 kHz 53 58 dB Metallic/PCM to Longitudinal Balance 200 Hz to 3.4 kHz 40 dB Longitudinal Impedance 200 Hz to 3.4 kHz at TIP or RING 50 Longitudinal Current Capability Active off-hook 60 Hz 25 mA Reg 73 = 0x0B DC Feed Current Differential 45 mA Common Mode 30 mA Differential + Common Mode 45 mA 2-Wire Return Loss 200 Hz to 3.4 kHz 26 30 dB Transhybrid Balance 300 Hz to 3.4 kHz 26 30 dB Thermal Resistance (QFN-42) JA 53 JB 33 C/W JC 39 Continuous Power Dissipation (QFN-42) PD TA = 85 C 0.75 W Package Information 42-Pin QFN/LGA Package Diagram Dimensions Dimension Min Nom Max A 0.80 0.85 0.90 b 0.20 0.25 0.30 D 5.00 BSC D2 3.35 3.40 3.45 e 0.50 BSC E 7.00 BSC E2 5.35 5.40 5.45 E3 1.65 1.70 1.75 E4 3.15 3.20 3.25 L 0.35 0.40 0.45 L1 0.05 0.10 0.15 aaa 0.10 bbb 0.10 ccc 0.08 ddd 0.10 ProSLIC Copyright 2012 by Silicon Laboratories 5.10.2013 Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc. 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