si3215-x-gm Silicon Laboratories, si3215-x-gm Datasheet

si3215-x-gm

Manufacturer Part Number

si3215-x-gm

Description

Proslic Programmable Cmos Slic/codec With Ringing/battery Voltage Generation

Manufacturer

Silicon Laboratories

Datasheet

1.SI3215-X-GM.pdf (118 pages)

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Features

Applications

Description

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 V

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

Rev. 0.92 8/05

R O

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

Software-programmable linefeed

parameters:

Voice-over-broadband systems:

DSL, cable, wireless

PBX/IP-PBX/key telephone systems

I N G I N G

FSYNC

minimizes power in all operating modes

single 3.3 V or 5 V supply

transformer versions supported

and waveshape

filtering

SCLK

PCLK

On-chip dc-dc converter continuously

Entire solution can be powered from a

3.3 to 35 V dc input range

Dynamic 0 to –94.5 V output

Low-cost inductor and high-efficiency

Ringing frequency, amplitude, cadence,

2-wire ac impedance and hybrid

Constant current feed (20 to 41 mA)

Loop closure and ring trip thresholds and

SDO

DRX

DTX

SDI

SLIC

INT

Interface

Control

PCM

PLL

RESET

/ B

A T T E R Y

R O G R A M M A B L E

Attenuation/

Generators

Gain/

Tone

Gain/

Filter

Si3215

A/D

D/A

DC-DC Converter Controller

Hybrid

Prog.

O L TA G E

Software-programmable signal

generation and audio processing:

Extensive test and diagnostic features

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

Terminal adapters:

ISDN, Ethernet, USB

generation

audio

Phase-continuous FSK (caller ID)

Dual audio tone generators

Smooth and abrupt polarity reversal

µ-Law/A-Law and 16-bit linear PCM

Multiple voice loopback test modes

Real time dc linefeed measurement

GR-909 line test capabilities

Control

Status

Feed

Line

, DTMF generation, and

Components

Linefeed

Interface

Discrete

CMOS SLIC/C

E N E R A T I O N

TIP

RING

U.S. Patent #6,567,521

U.S. Patent #6,812,744

Other patents pending

SRINGDC

STIPDC

FSYNC

RESET

QGND

SDCH

CAPM

CAPP

SDCL

IREF

DTX

DDA1

Ordering Information

Pin Assignments

12 13

See page 111.

O D E C W I T H

Si3215

15 16 17 18 19

QFN

34 33 32

SDITHRU

DCDRV

DCFF

GNDD

ITIPN

ITIPP

IRINGP

IRINGN

IGMP

TEST

VDDD

DDA2

Si3215

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