Si3217x and Si3291x ProSLIC® Single-Chip FXS Solution with FXO Option Description - Low power standby operation The Si3217x is a family of pin-compatible single-channel - Tracking dc-dc controller ProSLIC products that implement a complete foreign - Patented low-power ringing exchange station (FXS) telephony interface solution in - Wideband voice support accordance with all relevant LSSGR, ITU and ETSI - DTMF detection specifications. Select parts in the series also implement - Pulse metering Silicon Laboratories' patented capacitive isolation - 3.3 V operation technology to enable seamless connection to Si3291x - Pb-free/RoHS-compliant packaging series foreign exchange office (FXO) line-side devices. The Si3217x ProSLIC ICs operate from a 3.3 V supply and Si3291x Features interface to standard PCM/SPI digital interfaces. The - Greater than 5 kV isolation Si3217x integrated dc-dc controller automatically - Global programmability generates the optimal battery voltages required for each - Up to +6 dBm TX/RX level line-state. Si3217x ICs are available with voltage ratings of - Parallel handset detection –110 V or –135 V to support a wide range of ringing - Type I and II caller ID support voltages. The Si3217x is available in a 5x7 mm 42-pin QFN - Integrated ring detector package. The Si3291x is available in a 16-pin SOIC - Programmable digital hybrid package. Applications Si3217x Features - Customer Premise Equipment (CPE) - Performs all BORSCHT functions - VoIP DSL Gateways and Routers - Ideal for short to medium loops - Wireless Local Loop (WLL) - Global programmability - Integrated Access Devices (IAD) - Simplified configuration and diagnostics - Analog Terminal Adapters (ATA) - Supported by ProSLIC API - Small Office/Home Office (SOHO) PBX Ordering Guide FXS P/N Description Max Vbat Temperature Si32176-B-FM FXS, wideband capable –110 V 0 to 70 °C Si32176-B-GM FXS, wideband capable –110 V –40 to 85 °C Si32177-B-FM FXS, wideband capable –135 V 0 to 70 °C Si32177-B-GM FXS, wideband capable –135 V –40 to 85 °C Si32178-B-FM FXS, DTMF detection, wideband capable with FXO support –110 V 0 to 70 °C Si32171-B-FM FXS, DTMF detection, pulse metering –110 V 0 to 70 °C Si32171-B-GM FXS, DTMF detection, pulse metering –110 V –-40 to 85 °C FXO P/N Region Ringer Thresholds On-hook Speeds RoHS Compliant Temperature Si32911-A-FS FCC/CTR21 1 2 Yes 0 to 70 °C Si32919-A-FS Global 3 3 Yes 0 to 70 C FFSSSSSSYYDDDRDRCCSSIIDDNNRRCCNNTSTSLLDDOOCCXXXSXSKKTTTTII IIIInnnnCCPPttttooGGeeeeSSCCnnrrrrPPCCffffMMttaaaarrIIIIoocccc//lleeee GGTTCCDDRRooLLeeaaTTnniiiinnnnnnllMMeelleeeeggee rrFF GGiirraannDD IItteegg&&DDiiooaannrrggnnProgrammable Programmable ooDDssAC ImpedanceAC ImpedancettSSiiccPPssand Hybridand Hybrid CCCOADOOOADADpDADDDDDAAtCCiCCCCEEEoIIsnCCContelaraftaiolc neLLLLFMM CCSSiiiinnnnooooXLLeeeennnnffffttIIeeeeiiOrrttCCooooeeeerrlldddd Linefeed C1A C1B IInstoelarftaiocne THeyrbmrdiidnca atinodn DRIVGCRXNTEDG BOM TTRIPIIPNG FFXXOS C2A C2B PPCCLLKK PPLLLL DDCC--DDCC CCoonnttrroolllleerr Control Ring Detect QCIBD RING Off-Hook QE Si3217x Si3291x ProSLIC Copyright © 2009 by Silicon Laboratories 4.14.09

Si3217x and Si3291x ProSLIC® Single-Chip FXS Solution with FXO Option Selected Electrical Specifications Parameter Symbol Test Condition Min Typical Max Unit F-Grade 0 25 70 °C Ambient Temperature T A G-Grade –40 25 85 °C Supply Voltage, Si3217x V 3.13 3.3 3.47 V DD Battery Voltage, Si3217x V –15 — –136/–110 V BAT Maximum Loop Resistance  R I =18 mA, V = –48 V — — 2000  (loop + load) LOOP LOOP BAT DC Differential Output  R I < I 160 — 640  Resistance DO LOOP LIM Idle Channel Noise C-Message weighted — 8 12 dBrnC PSRR from V RX and TX, dc to 3.4 kHz — 55 — dB DD Longitudinal to Metallic/PCM  200 Hz to 1 kHz 58 60 — dB Balance (forward or reverse) 1 kHz to 3.4 kHz 53 58 — dB Metallic/PCM to Longitudinal Balance 200 Hz to 3.4 kHz 40 — — dB 200 Hz to 3.4 kHz at Longitudinal Impedance — 50 —  TIP or RING Active off-hook Longitudinal Current per Pin — 25 — mA 200 Hz to 3.4 kHz See Table 5, DC Feed Current Si3217x V = 0 V — — 45 mA TR Data Sheet 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) θ — 32 — °C/W JA Thermal Resistance (SOIC-16) θ — 85 — °C/W JA Continuous Power Dissipation (QFN-42) P T = 85 °C — 1.3 — W D A Continuous Power Dissipation (SOIC-16) P T = 85 °C — 0.47 — W D A Package Information 42-Pin QFN MM Min Typ Max A 0.60 0.65 0.70 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 Min Max A — 1.75 16-Pin SOIC A1 0.10 0.25 A2 1.25 — b 0.31 0.51 c 0.17 0.25 D 9.90 BSC E 6.00 BSC E1 3.90 BSC e 1.27 BSC L 0.40 1.27 L2 0.25 BSC h 0.25 0.50 ø 0° 8° ProSLIC Copyright © 2009 by Silicon Laboratories 4.14.09 Silicon Laboratories and Silicon Labs are trademarks of Silicon Laboratories Inc. Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders