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SI3018-F-FT Datasheet(PDF) 1 Page - Silicon Laboratories

No. de pieza SI3018-F-FT
Descripción Electrónicos  PCM highway data interface law A-law companding SPI control interface GCl interface
Download  112 Pages
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Fabricante Electrónico  SILABS [Silicon Laboratories]
Página de inicio  http://www.silabs.com
Logo SILABS - Silicon Laboratories

SI3018-F-FT Datasheet(HTML) 1 Page - Silicon Laboratories

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Rev. 1.31 5/09
Copyright © 2009 by Silicon Laboratories
Si3050 + Si3018/19
Si3050 +
Si3018/19
GLOBAL VOICE DAA
Features
Applications
Description
The Si3050+Si3018/19 Voice DAA chipset provides a highly-programmable and
globally-compliant foreign exchange office (FXO) analog interface that is ideal for
DSL IADs, PBXs, IP-PBXs, and VoIP gateway products. The solution implements
Silicon Laboratories' patented isolation capacitor technology, which eliminates the
need for costly isolation transformers, relays, or opto-isolators, while providing
superior surge immunity for robust field performance. The Voice DAA is available
in one 20-pin TSSOP (Si3050) and one 16-pin TSSOP/SOIC (Si3018/19) and
requires minimal external components. The Si3050 interfaces directly to standard
telephony PCM interfaces.
Functional Block Diagram
PCM highway data interface
µ-law/A-law companding
SPI control interface
GCI interface
80 dB dynamic range TX/RX
Line voltage monitor
Loop current monitor
+6 dBm or +3.2 dBm TX/RX level
mode
Parallel handset detection
3 µA on-hook line monitor current
Overload detection
Programmable line interface

AC termination

DC termination

Ring detect threshold

Ringer impedance
TIP/RING polarity detection
Integrated codec and 2- to 4-wire
analog hybrid
Programmable digital hybrid for
near-end echo reduction
Polarity reversal detection
Programmable digital gain in 0.1 dB
increments
Integrated ring detector
Type I and II caller ID support
Pulse dialing support
3.3 V power supply
Daisy-chaining for up to 16 devices
Greater than 5000 V isolation
Patented isolation technology
Ground start and loop start support
Available in Pb-free RoHS-compliant
packages
DSL IADs
VoIP gateways
PBX and IP-PBX systems
Voice mail systems
Hybrid, AC
and DC
Terminations
Ring Detect
Off-Hook
IB
SC
DCT
VREG2
DCT2
DCT3
RNG1
RNG2
QB
QE
QE2
RX
Si3018/19
VREG
Si3050
Control
Data
Interface
Isolation
Interface
CS
SCLK
SDI
SDO
SDI THRU
Control
Logic
PCLK
DTX
DRX
FSYNC
Line
Data
Interface
RG
TGD
TGDE
RESET
AOUT/INT
RGDT
Isolation
Interface
US Patent# 5,870,046
US Patent# 6,061,009
Other Patents Pending
Ordering Information
See page 102.
Pin Assignments
Si3050
Si3018/19
2
1
3
4
5
6
7
8
15
16
14
13
12
11
9
10
19
20
18
17
FSYNC
SCLK
PCLK
SDI
SDO
AOUT/INT
RG
DTX
DRX
V
A
C1A
C2A
SDITHRU
RESET
GND
TGDE
TGD
CS
RGDT
V
DD
QE
DCT
RX
IB
C1B
C2B
VREG
RNG1
DCT2
DCT3
QB
QE2
SC
VREG2
RNG2
IGND
2
1
3
4
5
6
7
8
15
16
14
13
12
11
10
9


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