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SI32295-A-ZM1

Description
Digital SLIC,
CategoryWireless rf/communication    Telecom circuit   
File Size920KB,43 Pages
ManufacturerSilicon Laboratories Inc
Environmental Compliance
Download Datasheet Parametric View All

SI32295-A-ZM1 Overview

Digital SLIC,

SI32295-A-ZM1 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerSilicon Laboratories Inc
package instruction,
Reach Compliance Codeunknown
Base Number Matches1
Si3229x: ProSLIC
®
Single-Chip Dual FXS
Solution
The Si3229x Dual ProSLIC® devices, in a single package, implement two complete for-
eign exchange station (FXS) telephony interfaces. The Si3229x devices operate from a
3.3 V supply and have standard PCM/SPI or 3-wire ISI digital interfaces. A pair of built-in
dc-dc converter controllers can be used to automatically generate the optimal battery
voltage required for each line-state, optimizing efficiency and minimizing heat genera-
tion. The Si3229x devices are designed to operate with capacitive ultra-boost tracking
battery supply for lower power, cost, and footprint vs. other tracking or shared battery
supplies in the industry. Self-testing and metallic loop testing (MLT) is facilitated by the
built-in DSP, monitor ADC, and test load. The devices are available with wideband audio
for better than PSTN voice quality, DTMF detection, and Smart Ringing. Smart Ringing
reduces the peak current with 2-channel ringing for lower-cost ac-dc adapters. The
Si3229x devices are available in an 8 x 8 mm 68-pin QFN package.
Applications:
• VoIP gateways and routers
• xDSL IADs
• Optical Network Terminals/Units (ONT/U)
• Analog Terminal Adapters (ATA)
• Cable eMTA
• Wireless Fixed Terminals (WFT)
• Wireless Local Loop (WLL)
• WiMAX CPE
• Private Branch Exchange (PBX)
• VoIP MDU gateways
DTMF and
Tone Gen
3-wire
ISI or
PCM/SPI
Interface
Caller ID
Ringing
Generator
KEY FEATURES
• Two complete FXS channels in a single
8x8 mm package
• Performs all BORSCHT functions
• Ultra-low power consumption
• Patented low-power ringing
• Patented Smart Ringing option
• Reduces peak current with 2-channel
ringing (Si32295/7)
• Adaptive ringing
• Simplified configuration and diagnostics
• Supported by SimpleVoice API
• Audio diagnostics with loopback
• Integrated test load
• Wideband voice support
• On-hook transmission
• Loop or ground start operation
• Smooth polarity reversal
• Programmable interrupts
• Software-programmable parameters:
• Ringing frequency, amplitude, cadence,
and waveshape
• Two-wire ac impedance
• Transhybrid balance
CODEC
Programmable
AC Impedance
and Hybrid
SLIC
Linefeed
Control
Linefeed
Monitor
ADC
DAC
CODEC
ADC
DAC
Linefeed
TIP
• DC current loop feed (10–45 mA)
• Loop closure and ring trip thresholds
• Ground key detect threshold
• Flexible integrated tracking DC-DC
controller supporting patented low-cost
capacitive ultra-boost configuration
• DTMF Generation
• DTMF Detection (Si32291/3/5/7)
• 3-wire Integrated Serial Interface (ISI) or
PCM interface
• A-Law/µ-Law companding, linear PCM
• Pulse metering
• 3.3 V operation
• Pb-free/RoHS-compliant packaging
Channel A
RING
Host Interface
Line Diagnostics
Linefeed
Control
Linefeed
Monitor
Linefeed
DSP
SLIC
TIP
Channel B
RING
PCLK / PSCLK
PLL
DC-DC Controller
Si3229x
silabs.com
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