SI32192-A-ZM2R

Telecom Overview

The Skyworks Solutions SI32192-A-ZM2R is a single-channel Foreign Exchange Station (FXS) interface integrated circuit designed for global telephony applications. It operates from a 3.3 V supply with 1.8 to 3.3 V I/O support and utilizes a 3-wire Integrated Serial Interface (ISI). The device supports a maximum battery voltage of –100 V and functions within an ambient temperature range of 0 °C to 70 °C. It provides wideband audio capabilities, DTMF generation, and metallic loop testing via an internal DSP. The component is housed in a 4 x 6 mm, 38-pin QFN package.

Telecom Feature Summary

• Performs all BORSCHT functions including battery feed, over-voltage protection, ringing supervision, and line diagnostics.
• Supports wideband audio transmission and reception with programmable AC impedance and transhybrid balance.
• Features ultra-low power consumption through patented low-power ringing and adaptive control mechanisms.
• Includes a flexible integrated tracking DC-DC controller supporting capacitive boost configurations.

Telecom Applications

• VoIP Gateways and Routers
• xDSL Integrated Access Devices (IADs)
• Analog Terminal Adapters (ATA)
• Wireless Local Loop (WLL) systems

Telecom Procurement Notes

Verify the specific ZM2 suffix requirements during procurement, as this indicates a customer-specific configuration distinct from standard commercial or industrial grades. Confirm that the tape and reel packaging aligns with automated assembly needs. Ensure compatibility with the host system's ISI interface timing and voltage levels before finalizing orders.

Telecom Selection Notes

Select the SI32192-A-ZM2R when a complete FXS solution is required without external codecs or hybrid transformers. This part is suitable for short- to medium-loop applications requiring global programmability. Consider the ZM2 variant only if specific customer-defined parameters are necessary, as it differs from the standard FM1 or GM1 versions.

Telecom Part Context

The SI32192-A-ZM2R belongs to the Si3219x ProSLIC family, which consolidates SLIC, CODEC, and signal generation into a single package. It serves as a direct replacement for legacy discrete FXS designs, reducing board space and component count. The ZM2 designation specifically denotes a commercial-grade, customer-specific version within the QFN38 form factor.

Telecom Replacement Considerations

Standard replacements include the Si32192-A-FM1R and Si32192-A-GM1R. Verify that the functional differences between the customer-specific ZM2 suffix and these standard variants do not impact application performance.