The SI32290-A-FM is a dual FXS (Foreign Exchange Station) telephony interface integrated circuit from Quarktwin Technology Ltd. It operates on a 3.3 V supply and features a 68-pin QFN package. This device supports both PCM/SPI and 3-wire ISI digital interfaces, making it versatile for various applications. It includes built-in DC-DC converter controllers that optimize battery voltage for efficiency and reduce heat generation. The SI32290-A-FM is designed for low power consumption and includes features such as wideband audio support, DTMF detection, and Smart Ringing, which minimizes peak current during ringing. It is suitable for applications including VoIP gateways, xDSL IADs, and PBX systems. The operating temperature range is from 0 to 70 °C, and it is compliant with RoHS standards.
WIDEBAND DUAL FXS, ISI INTERFACE
Telecom IC Subscriber Line Interface Concept (SLIC) 68-QFN (8x8)
| Acme Chip Technology Co., Limited | Quarktwin Technology Ltd. | |
|---|---|---|
| Product Category | IC Interfaces | IC Interfaces |
| Product Number | SI32290-A-FM | SI32290-A-FM |
| Product Name | Integrated Circuits (ICs) - Interface - Telecom | Telecom |
| Device Type | Sensor Interface | |
| Supply Voltage | Other | Other; 3.13V ~ 3.47V |
| Package Type | 68-QFN (8x8) | 68-VFQFN Exposed Pad |
