Si3226x Common Specs
- Two complete FXS channels in a single chip
- Performs all BORSCHT functions
- Ideal for short- or long-loop applications
- Ultra low power consumption
- Internal balanced or unbalanced ringing
- Patented low-power ringing
- Adaptive ringing
- Simplified configuration and diagnostics supported by ProSLIC AP
- GR-909 loop diagnostics
- Audio diagnostics with loopback
- Integrated test load
- Wideband voice support
- On-hook transmission
- Loop or ground start operation
- Smooth polarity reversal
- Pulse metering
- 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
- Integrated dc-dc controllers with direct connection to MOSFET
- Three high voltage supply options
- Ground key detect threshold
- DTMF generator/decoder
- A-Law/µ-Law companding, linear PCM
- GCI/IOM-2 mode support (Si32260/1)
- 3.3 V operation
- Pb-free/RoHS-compliant packaging
Find the Right Si3226x Device
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| Part Number | Host Interface | # FXS Channel | # FXO Channel | Max V Battery | Wideband | DTMF Detection | Pulse Metering | Daisy-chain Mode | Smart Ringing | dc-dc Options * | Package Type | Package Size (mm) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PCM/SPI | 2 | 0 | -110 | LCQC | LGA60 | 8x8 | ||||||
| PCM/SPI | 2 | 0 | -110 | LCQC | LGA47 | 6x8 | ||||||
| PCM/SPI | 2 | 0 | -140 | LCUB, LCQC, FB | LGA60 | 8x8 | ||||||
| PCM/SPI | 2 | 0 | -140 | LCUB, LCQC, FB | LGA47 | 6x8 | ||||||
| ISI | 2 | 0 | -110 | LCQC | LGA50 | 6x8 | ||||||
| ISI | 2 | 0 | -140 | LCUB, LCQC, FB | LGA50 | 6x8 |
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*LCCB (Low-Cost Capacitive Boost), LCQC (Low-Cost Quasi Cuk), FB (Flyback), and LCUB (Low-Cost Ultra-Boost)