SI3218X中文資料思佳訊數(shù)據(jù)手冊PDF規(guī)格書

KEY FEATURES

? Complete FXS solution in a single 5x6 mm

or 6x6 mm package

? Performs all BORSCHT functions

? Ideal for short to medium loops

? Global programmability

? Patented low-power ringing

? Simplified configuration and diagnostics

? Supported by ProSLIC API

? Audio diagnostics with loopback

? Integrated test load

? Ultra low power consumption

? Wideband voice support

? On-hook transmission

? Loop or ground start operation

? Smooth polarity reversal

? A-Law/μ-Law companding, linear PCM

? Flexible integrated tracking dc-dc

controller supporting patent-pending lowcost

capacitive boost configuration

? Software-programmable parameters:

? Ringing frequency, amplitude, cadence,

and waveshape

? Two-wire ac impedance

? Transhybrid balance

? DC current loop feed (10–45 mA)

? Loop closure and ring trip thresholds

? Ground key detect threshold

? Pulse metering

? DTMF generation

? DTMF detection (Si32183/5)

? 3.3 V operation

? Support for 1.8 V I/O

? Maximum battery up to –106 V

? Pb-free/RoHS-compliant packaging

? Two digital interface options

? 3-wire Integrated Serial Interface (ISI) or

PCM/SPI interface