Datasheet > CC1812

CC1812

更新时间： 2024-10-29 12:53:39

品牌	Logo	应用领域
芯科 - SILICON		/
页数	文件大小	规格书
38页	671K
描述
Low-power sleep mode On-hook transmission Loop or ground start operation Smooth polarity reversal

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中文翻译

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CC1812 数据手册

Si3226/7

Si3208/9

DUAL PROSLIC^®WITH DC-DC CONTROLLER

Features

ꢀ

Performs all BORSCHT functions

Ideal for short- or long-loop applicationsꢀ On-hook transmission

Internal balanced or unbalanced ringingꢀ Loop or ground start operation

Low power consumption

ꢀ Low-power sleep mode

ꢀ Smooth polarity reversal

Software-programmable parameters: ꢀ DTMF generator/decoder

ꢁ Ringing frequency, amplitude,

cadence, and waveshape

ꢁ Two-wire ac impedance

ꢀ

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

ꢁ 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)

Applications

ꢀ

Customer Premises Equipment (CPE) ꢀ Private Branch Exchange (PBX)

Ordering Information

Optical Network Terminals (ONT)

ꢀ

Cable EMTAs, ATAs, VoIP

Gateways

See page 33.

Description

Patents pending

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

Si3226/7

Si32068/9

CODEC

SLIC

Linefeed

Control

PCM/

GCI

Interface

FSYNC

DRX

DTMF &

Tone Gen

TIP

ADC

DTX

Channel 1

RING

Caller ID

Linefeed

Monitor

SDI

DAC

SPI

Control

Interface

Ringing

Generator

SDO

SCLK

INT

SLIC

Linefeed

Control

CODEC

DSP

TIP

Line Diagnostics

ADC

RST

Channel 2

RING

Linefeed

Monitor

DAC

PCLK

DC-DC Controllers

DC-DC Contro ler

PLL

VBAT

DC-DC BOM

VDC

Preliminary Rev. 0.33 6/07

Si3226/7 Si3208/9

This information applies to a product under development. Its characteristics and specifications are subject to change without notice.

12 3 4 5 6 7...38

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