SI3200-GS - 100V Linefeed Interface IC | Skyworks Solutions Inc.
N.º de pieza: SI3200-GS ✓ ActivoSI3200-GS Descripción general
A linefeed interface IC is a specialized analog and mixed-signal interface block used in telephone access equipment. It belongs to the broader telecom interface hierarchy: linefeed driver and receiver circuitry connects a voice channel to the external line, while the surrounding SLIC, codec, and system controller handle call processing and digital voice transport. The SI3200-GS combines two independent circuits with a 100 V linefeed capability, reducing the number of line-channel devices required in a dual-channel design.
The SI3200-GS supports 3.3 V and 5 V supply operation, allowing it to be paired with either legacy 5 V telecom designs or lower-voltage mixed-signal systems when the rest of the interface is compatible. Its GCI, PCM, and SPI interfaces provide control and voice-data connectivity options. The verified 110 µA supply current is particularly relevant in line-powered or standby-sensitive access equipment, where reducing unused-circuit consumption can affect available thermal and power budgets.
Two internal circuits are explicitly identified in the supplied technical data, enabling one package to serve two line channels. The 100 V linefeed rating is important in telecom applications because the external line transient and DC-bias environment can exceed ordinary low-voltage logic levels. The SI3200-GS therefore acts as the high-voltage interface between low-voltage control electronics and the physical subscriber line rather than as a general-purpose logic or mixed-signal amplifier.
Typical applications include two-channel subscriber line access circuits, voice-over-IP line-card interfaces, digital loop termination equipment, and telecom linefeed modules. In these systems, the SI3200-GS can handle line-side drive and receive functions while a codec, processor, or channel-signaling controller manages PCM or SPI traffic. The 16-pin SOIC package also remains convenient for leaded assembly and inspection in telecommunications equipment produced in moderate volumes.
Designers should verify the external line network, protection network, power-supply limits, bypass-capacitor arrangement, and thermal rise before production use. The specified 941 mW power figure and -40 °C to +85 °C operating range must be checked against the actual channel loading and ambient temperature. The verified data does not expose the complete pin map or detailed absolute-maximum ratings, so those items must be confirmed in the manufacturer datasheet before schematic release.
This page consolidates verified distributor specifications, procurement context, package information, interface functions, application guidance, and an honest assessment of replacement availability. It also distinguishes confirmed technical facts from unavailable pinout, pricing, and lifecycle details, helping engineers evaluate the SI3200-GS without relying on unsupported substitution assumptions.
Alternativas directas para SI3200-GS — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
No hay alternativas directas disponibles para este producto.
Solicitar alternativasSI3200-GS Especificaciones
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Guía de configuración de pines de SI3200-GS standard
Configuración de pines para SI3200-GS (encapsulado standard). La numeración de pines, las funciones y los diagramas de conexión se definen en la hoja de datos del fabricante. Consúltela para conocer el footprint exacto y las directrices de soldadura.
No hay datos detallados de patillaje disponibles para SI3200-GS.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
SI3200-GS es adecuado para 6 aplicacións: Dual-Channel Voice Line Card, Voice-over-IP Line Interface, Digital Loop Termination Equipment, Subscriber Line Access Terminal, Low-Power PSTN Interface Module, Industrial Voice Monitor.
Dual-Channel Voice Line Card
The SI3200-GS fits a dual-channel voice line card because it contains two independent circuits and provides a 100 V linefeed interface in one 16-pin SOIC package. It can sit between the codec or digital voice processor and the subscriber-line network, with GCI, PCM, or SPI connectivity coordinating channel data and control. The 3.3 V and 5 V supply options support both established telecom rails and lower-voltage mixed-signal designs. Its 110 µA supply current is useful where standby consumption matters, but the external protection network, PCB isolation, and thermal design must be validated against the complete manufacturer datasheet.
Recomendado
Voice-over-IP Line Interface
A voice-over-IP access board can use the SI3200-GS as the subscriber-line-facing circuit for two analog voice channels while a codec and network processor handle packetized audio. The verified GCI, PCM, and SPI interfaces provide options for connecting the linefeed controller to the voice-processing electronics, and the two internal circuits reduce component count. The 100 V rating is relevant to telephone-line stress, while 110 µA supply current assists power-sensitive design. Production validation must confirm the exact digital interface, ringing behavior, protection needs, and startup sequence.
Recomendado
Digital Loop Termination Equipment
The SI3200-GS is architecturally suitable for digital loop termination equipment because it combines two 100 V linefeed circuits with a low 110 µA supply-current specification. It can provide the physical voice-line interface while a DSL, PCM, or controller section performs termination and signaling functions. The 3.3 V or 5 V operating range allows integration with more than one generation of access hardware. Designers should confirm that all required BORSCHT functions, line-state detection, and codec timing are assigned to the correct pins before approving the design.
Recomendado
Subscriber Line Access Terminal
In a subscriber line access terminal, the SI3200-GS can serve as the high-voltage interface between two telephone lines and the low-voltage codec electronics. Its 100 V linefeed rating is better matched to the line environment than ordinary low-voltage interface ICs, while GCI, PCM, and SPI interfaces offer several controller-connection choices. The two-circuit configuration and 16-pin SOIC package support compact access hardware. Actual board placement must include the required isolation spacing, protection components, bypass capacitors, and thermal verification against the specified 941 mW power value.
Recomendado
Low-Power PSTN Interface Module
Recomendado
Industrial Voice Monitor
The SI3200-GS can be evaluated for an industrial voice-monitoring module that connects a monitored line to low-voltage test and control circuitry. The dual-circuit implementation can monitor or terminate two voice paths, while GCI, PCM, and SPI provide different integration choices. The 100 V linefeed rating is relevant to copper-line environments, and the -40 °C to +85 °C specification supports industrial temperature requirements. Before use, verify isolation, surge protection, available line power, and whether the monitor requires true receive-only operation or full two-way linefeed control.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para SI3200-GS — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto |
|---|---|
| Package | 16-pin SOIC |
| Brand | Skyworks Solutions Inc. |
| Number of Circuits | 2 circuits |
| Linefeed Voltage Rating | 100 V |
| Supply Voltage | 3.3 V and 5 V |
| Supply Current | 110 µA |
| Power Dissipation | 941 mW |
| Operating Temperature | -40 °C to +85 °C |
| Interfaces | GCI, PCM, and SPI |
Diferenciadores clave
- Purpose-built 100 V linefeed interface (frente a SI3200-G-FS)
- Two integrated linefeed circuits (frente a SI3200-G-FSR)
- Three named digital interface options (frente a SI3200-G-GS)
Notas de diseño
Use only the 3.3 V or 5 V supplies identified in the manufacturer datasheet and confirm the complete absolute-maximum limits before adding circuitry. The verified 110 µA supply-current figure should not be treated as total channel power because linefeed operation can involve additional internal or external dissipation. Place the required bypass capacitors close to the supply pins, verify startup behavior, and account for the listed 941 mW power dissipation under worst-case line and temperature conditions.
The 100 V linefeed environment requires deliberate separation between high-voltage line connections and low-voltage codec, processor, and debug circuitry. Confirm the exact pin assignments and copper-clearance requirements from the manufacturer package drawing and application information. Keep protection components close to the line-side pins, use an appropriately defined protective earth or isolation strategy where required, and prevent high-voltage current paths from sharing sensitive return paths with the voice-processing section.
The verified maximum power value is 941 mW, but the actual temperature rise depends on the 16-pin SOIC land pattern, copper area, airflow, and the line-load condition. Thermal analysis should begin with the highest expected dissipation rather than the nominal 110 µA supply current alone. If the calculated rise approaches the device or system limit, increase copper spreading, reduce adjacent heat sources, or select a package with better heat dissipation rather than assuming the SOIC outline is sufficient.
Do not choose the SI3200-G-FS or SI3200-G-FSR as a substitute solely because the identifiers share the SI3200 family name. Their supplied descriptions identify low-power amplifier functions, while SI3200-GS is explicitly a 100 V linefeed interface. Likewise, SI3200-G-GS may be an ordering or grade variant rather than an independent substitute. Require a manufacturer-confirmed pin map, interface behavior, voltage rating, and protection characteristics before treating any variant as interchangeable.
Información de cumplimiento
The verified snippets mention lead-free status as a listing attribute but do not provide an explicit compliant or non-compliant value. RoHS, REACH, AEC-Q100, halogen-free, and conflict-minerals declarations were not included in the supplied data and are therefore recorded as unknown.
