PDF SI3215 Data sheet ( Hoja de datos )

Número de pieza	SI3215
Descripción	PROGRAMMABLE CMOS SLIC/CODEC
Fabricantes	Silicon Laboratories
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Si3215 PROSLIC® PROGRAMMABLE CMOS SLIC/CODEC WITH RINGING/BATTERY VOLTAGE GENERATION Features  Performs all BORSCHT functions   Software-programmable internal balanced ringing up to 90 VPK (5 REN up to 4 kft, 3 REN up to 8 kft)  Integrated battery supply with dynamic voltage output On-chip dc-dc converter continuously  minimizes power in all operating modes Entire solution can be powered from a single 3.3 V or 5 V supply 3.3 to 35 V dc input range Dynamic 0 to –94.5 V output    Low-cost inductor and high-efficiency transformer versions supported   Software-programmable linefeed parameters:  Ringing frequency, amplitude, cadence, and waveshape 2-wire ac impedance and hybrid Constant current feed (20 to 41 mA) Loop closure and ring trip thresholds and filtering Applications Software-programmable signal generation and audio processing: Phase-continuous FSK (caller ID) generation Dual audio tone generators Smooth and abrupt polarity reversal -Law/A-Law and 16-bit linear PCM audio Extensive test and diagnostic features Multiple voice loopback test modes Real time dc linefeed measurement GR-909 line test capabilities SPI and PCM bus digital interfaces Extensive programmable interrupts 100% software-configurable global solution Ideal for customer premise equipment applications Lead-free and RoHS-compliant packages available  Voice-over-broadband systems: DSL, cable, wireless  PBX/IP-PBX/key telephone systems Description  Terminal adapters: ISDN, Ethernet, USB The ProSLIC is a low-voltage CMOS device that provides a complete analog telephone interface ideal for customer premise equipment (CPE) applications. The ProSLIC integrates subscriber line interface circuit (SLIC), codec, and battery generation functionality into a single CMOS integrated circuit. The integrated battery supply continuously adapts its output voltage to minimize power and enables the entire solution to be powered from a single 3.3 V (Si3215M only) or 5 V supply. The ProSLIC controls the phone line through Silicon Labs’ Si3201 Linefeed Interface Chip or discrete component line feed. Si3215 features include software-configurable 5 REN internal ringing up to 90 VPK, DTMF generation, and a comprehensive set of telephony signaling capabilities including expanded support of Japan and China country requirements. The ProSLIC is packaged in a 38-pin QFN and TSSOP, and the Si3201 is packaged in a thermally-enhanced 16- pin SOIC. Functional Block Diagram INT RESET CS SCLK SDO SDI DTX Control Interface DRX FSYNC PCLK PCM Interface PLL Si3215 Line Status Gain/ Attenuation/ Filter Tone Generators Gain/ Attenuation/ Filter A/D Prog. Hybrid D/A Line Feed Control ZS DC-DC Converter Controller TIP Linefeed Interface RING Discrete Components Ordering Information See page 111. Pin Assignments Si3215 QFN DTX 1 38 37 36 35 34 33 32 31 FSYNC 2 30 RESET 3 29 SDCH 4 28 SDCL 5 27 VDDA1 6 26 IREF 7 25 CAPP 8 24 QGND 9 23 CAPM 10 22 STIPDC 11 21 SRINGDC 12 13 14 15 16 17 18 19 20 SDITHRU DCDRV DCFF TEST GNDD VDDD ITIPN ITIPP VDDA2 IRINGP IRINGN IGMP U.S. Patent #6,567,521 U.S. Patent #6,812,744 Other patents pending Rev. 0.92 8/05 Copyright © 2005 by Silicon Laboratories Si3215 1 page Si3215 Table 2. Recommended Operating Conditions Parameter Symbol Test Condition Min* Typ Max* Unit Ambient Temperature Ambient Temperature TA K-grade 0 25 70 oC TA B-grade –40 25 85 oC Si3215 Supply Voltage Si3201 Supply Voltage Si3201 Battery Voltage VDDD,VDDA1, VDDA2 VDD VBAT VBATH = VBAT 3.13 3.13 –96 3.3/5.0 3.3/5.0 — 5.25 5.25 –10 V V V *Note: All minimum and maximum specifications are guaranteed and apply across the recommended operating conditions. Typical values apply at nominal supply voltages and an operating temperature of 25 oC unless otherwise stated. Product specifications are only guaranteed when the typical application circuit (including component tolerances) is used. Table 3. AC Characteristics (VDDA, VDDD = 3.13 to 5.25 V, TA = 0 to 70 °C for K-Grade, –40 to 85 °C for B-Grade) Parameter Overload Level Single Frequency Distortion1 Signal-to-(Noise + Distortion) Ratio2 Audio Tone Generator Signal-to-Distortion Ratio2 Intermodulation Distortion Gain Accuracy2 Gain Accuracy Over Frequency Group Delay Over Frequency Gain Tracking3 Round-Trip Group Delay Gain Step Accuracy Gain Variation with Temperature Gain Variation with Supply Test Condition Min TX/RX Performance THD = 1.5% 2.5 2-wire – PCM or PCM – 2-wire: 200 Hz–3.4 kHz — 200 Hz to 3.4 kHz D/A or A/D 8-bit Active off-hook, and OHT, any ZAC Figure 1 0 dBm0, Active off-hook, and OHT, any Zac 45 — 2-wire to PCM, 1014 Hz –0.5 PCM to 2-wire, 1014 Hz –0.5 Figure 3,4 Figure 5,6 1014 Hz sine wave, refer- ence level –10 dBm signal level: 3 dB to –37 dB –0.25 –37 dB to –50 dB –0.5 –50 dB to –60 dB –1.0 at 1000 Hz — –6 dB to 6 dB –0.017 All gain settings –0.25 VDDA = VDDA = 3.3/5 V ±5% –0.1 Typ — — — — — 0 0 — — — — — 1100 — — — Max — –45 Unit VPK dB — — dB –45 dB 0.5 dB 0.5 dB — — 0.25 0.5 1.0 — 0.017 0.25 0.1 dB dB dB µs dB dB dB Rev. 0.92 5 5 Page Si3215 Table 4. Linefeed Characteristics (VDDA, VDDD = 3.13 to 5.25 V, TA = 0 to 70°C for K-Grade, –40 to 85 °C for B-Grade) Parameter Symbol Test Condition Min Typ Max Unit Loop Resistance Range RLOOP See note. 0 — 160 DC Loop Current Accuracy ILIM = 29 mA, ETBA = 4 mA –10 — 10 DC Open Circuit Voltage Accuracy Active Mode; VOC = 48 V, –4 — VTIP – VRING 4 DC Differential Output Resistance RDO ILOOP < ILIM — 160 —  % V  DC Open Circuit Voltage— Ground Start VOCTO IRING<ILIM; VRING wrt ground VOC = 48 V –4 — 4 DC Output Resistance— Ground Start RROTO IRING<ILIM; RING to ground — 160 — V  DC Output Resistance— Ground Start RTOTO TIP to ground 150 — — k Loop Closure/Ring Ground Detect Threshold Accuracy ITHR = 11.43 mA –20 — 20 % Ring Trip Threshold Accuracy ITHR = 40.64 mA –10 — 10 % Ring Trip Response Time User Programmable Register 70 — — — and Indirect Register 23 Ring Amplitude Ring DC Offset VTR 5 REN load; sine wave; 44 — — Vrms RLOOP = 160 VBAT = –75 V ROS Programmable in Indirect 0 — — V Register 6 Trapezoidal Ring Crest Factor Accuracy Crest factor = 1.3 –.05 — .05 Sinusoidal Ring Crest Factor RCF 1.35 — 1.45 Ringing Frequency Accuracy f = 20 Hz –1 — 1 % Ringing Cadence Accuracy Accuracy of ON/OFF Times –50 — 50 ms Calibration Time CAL to CAL Bit — — 600 ms Power Alarm Threshold Accuracy At Power Threshold = 300 mW –25 — 25 % Note: DC resistance round trip; 160 corresponds to 2 kft 26 gauge AWG. Rev. 0.92 11 11 Page

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