Preliminary Rev. 0.9 1/05
Copyright © 2005 by Silicon Laboratories
Si306x
This information applies to a product under development. Its characteristics and specifications are subject to change without notice.
Si306x
GLOBAL LINE-SIDE DAA FOR EMBEDDED SYSTEM-SIDE MODULE
Features
Complete DAA includes the following:
Applications
Description
The Si306x is an integrated direct access arrangement (DAA) with a
programmable line interface to meet global telephone line interface
requirements. Available in a 16-pin small outline package, it eliminates
the need for an analog front end (AFE), an isolation transformer, relays,
opto-isolators, and a 2- to 4-wire hybrid. The Si306x dramatically reduces
the number of discrete components and cost required to achieve
compliance with global regulatory requirements. The Si306x interfaces
directly to a Silicon Laboratories integrated DAA system-side module.
Functional Block Diagram
80 dB dynamic range TX/RX paths to
support up to V.92 modem speeds
Programmable line interface
AC termination
DC termination
Ring detect threshold
Ringer impedance
Integrated codec and 2- to 4-wire
analog hybrid
Integrated ring detector
Pulse dialing support
Billing tone detection
Overload detection
> 5000 V isolation
Proprietary isolation interface to
integrated DAA module
Line voltage monitor
Loop current monitor
Caller ID support
Low-profile SOIC available in lead-
free/ROHS-compliant packages
V.92 soft modems
PDAs
Set-top boxes
Fax machines
POS terminals
Multi-function
Printers
Isolation
Interface
Hybrid and
dc
Termination
Ring Detect
Off-Hook
Si306x
QE2
QE
QB
RNG2
RNG1
DCT3
DCT2
VREG2
VREG
DCT
SC
IB
RX
Silicon
Laboratories
Embedded
System-side
DAA Module
US Patent # 5,870,046
US Patent # 6,061,009
Other Patents Pending
Ordering Information
See page 59.
Pin Assignments
Si306x
1
2
3
4
5
6
7
8
9
10
11
12
13
16
15
14
QE
DCT
RX
IB
C1B
C2B
VREG
RNG1
DCT2
IGND
DCT3
QB
QE2
SC
VREG2
RNG2