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SI3208

产品描述Dual ProSLIC㈢ with DC-DC Controller
文件大小163KB,共2页
制造商SILABS
官网地址http://www.silabs.com
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SI3208概述

Dual ProSLIC㈢ with DC-DC Controller

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Si3226/7 and Si3208/9
Dual ProSLIC® with DC-DC Controller
Description
ProSLIC
®
-
Software-programmable parameters:
-
Ringing frequency, amplitude, cadence, and wave-
-
-
-
-
-
Loop or ground start operation
Smooth polarity reversal
DTMF generator/decoder
A-Law/µ-Law companding,
linear PCM
PCM and SPI bus digital interfaces with program-
mable interrupts
GCI/IOM-2 mode support
3.3 V operation
GR-909 loop diagnostics
Audio diagnostics with loopback
Pb-free/RoHS-compliant packaging
Customer Premises Equipment (CPE)
Optical Network Terminals (ONT)
Private Branch Exchange (PBX)
Cable EMTAs, ATAs, VoIP Gateways
shape
Two-wire ac impedance
Transhybrid balance
DC current loop feed (10–45 mA)
Loop closure and ring trip thresholds
Ground key detect threshold
The Dual
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).
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Features
-
-
-
-
-
-
-
-
Performs all BORSCHT functions
Ideal for short- or long-loop applications
Internal balanced or unbalanced ringing
Low power consumption
Integrated dc-dc controller
Wideband CODEC (Si3227)
Applications
Low-power sleep mode
On-hook transmission
Si3226/7
Si3226
DRX
DTX
CS
SDI
SDO
SCLK
INT
RST
Si3206
Si3208/9
CODEC
ADC
DAC
CODEC
ADC
DAC
SLIC
Linefeed
Linefeed
Control
Linefeed
Monitor
DTMF &
Tone Gen
Caller ID
Programmable
Programmable
AC Impedance
AC Impedance
and Hybrid
FSYNC
PCM/
GCI
Interface
TIP
Channel 1
RING
SPI
Control
Interface
Ringing
Generator
DSP
SLIC
Linefeed
Linefeed
Control
Linefeed
Monitor
Line Diagnostics
PLL
DC-DC Controllers
DC-DC Controller
VBAT
VDC
DC-DC BOM
TIP
Channel 2
RING
PCLK
ProSLIC
Copyright © 2007 by Silicon Laboratories
6.1.07

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