SI3232-BQ - Dual-Channel Programmable CMOS SLIC | Skyworks
Référence : SI3232-BQ ✓ ActifSI3232-BQ Présentation
A SLIC is an integrated telephone-interface circuit that belongs to the broader telecommunications interface IC category. It provides the analog line-facing functions required when equipment connects to a telephone network, while allowing switching, supervision, and line-state behavior to be managed by software. In a dual-channel implementation, two analog line interfaces can be controlled from one programmable device, reducing component count compared with separate single-channel solutions.
The SI3232's defining verified feature is full software programmability. This allows a customer premise equipment designer to configure line behavior through associated control software instead of relying entirely on fixed hardware settings. Dual-channel integration is particularly useful where two telephone lines must be handled within a compact endpoint, gateway, voice terminal, or analog line-card assembly. The specific programmable functions, register map, and host interface are not present in the supplied snippets.
As a low-voltage CMOS IC, the SI3232 combines its analog telephone interface and digital control functions on one monolithic device. CMOS construction is broadly used for low-power integrated circuits because it can support dense digital logic at comparatively low supply voltages, although an exact operating-voltage range cannot be asserted from the supplied data. The 64-TQFP package provides a substantial pin count for two channels, line-state sensing, control connections, analog interfaces, and power or ground assignments.
Typical applications include analog telephone adapters, voice-over-IP gateways, customer premise equipment, small telephone line cards, and other dual-line endpoints that require programmable analog line interfacing. For these systems, integration can simplify board partitioning and provide coordinated control of both channels. Designers must still verify line impedance, DC feed characteristics, ring-voltage requirements, codec connections, protection strategy, and regional regulatory behavior against the complete manufacturer documentation.
The principal design consideration is that a SLIC is a specialized line-facing device rather than a general-purpose amplifier or codec. Its analog inputs and outputs must be paired with appropriate protection, filtering, routing, and layout measures, while its digital control interface must match the host processor and firmware architecture. Board design should preserve the pin assignments, grounding strategy, and decoupling recommendations contained in the complete SI3232 documentation.
This page consolidates the verified product identity, package information, source links, and application context for SI3232-BQ while clearly separating verified facts from unavailable electrical data. The referenced datasheet and product listings should be used to confirm the complete electrical limits, pinout, lifecycle status, current price, and availability before committing a production design.
Alternatives de remplacement direct pour SI3232-BQ — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Aucune alternative de remplacement direct disponible pour ce produit.
Demander des alternativesSI3232-BQ Spécifications
| Device Type | Low-voltage CMOS SLIC |
| Channel Count | 2 channels |
| Programmability | Fully software programmable |
| Type d'interface | Dual-channel analog telephone interface |
| Primary Application | Customer premise equipment (CPE) |
| Boîtier | 64-pin TQFP |
Guide de configuration des broches du SI3232-BQ 64-pin tqfp
Configuration des broches du SI3232-BQ (boîtier 64-pin tqfp). La numérotation des broches, les fonctions et les schémas de connexion sont définis dans la fiche technique du fabricant. Consultez-la pour l'empreinte exacte et les directives de soudage.
Aucune donnée de brochage détaillée disponible pour SI3232-BQ.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
SI3232-BQ convient pour 6 applications: Dual-Line Voice Gateway, Analog Telephone Adapter, Customer Premise Equipment, VoIP Network Terminal, Two-Line Voice Terminal, Analog Line Card.
Dual-Line Voice Gateway
The SI3232-BQ fits a dual-line voice gateway because it integrates two software-programmable analog telephone-interface channels into a single 64-pin TQFP device. A gateway can use that dual-channel arrangement to supervise and control two line-facing connections while sharing host resources and board space. The implementation should pair each channel with the required protection, routing, filtering, and codec circuitry specified by the complete manufacturer documentation. Before schematic release, engineers must confirm the device's supply-voltage range, host interface, line impedance, DC-feed characteristics, and ring-detection behavior, none of which is quantified in the supplied snippets.
Analog Telephone Adapter
An analog telephone adapter can benefit from the SI3232-BQ's two programmable line channels and its low-voltage CMOS implementation. Rather than using separate line-interface circuits for each connection, the product can consolidate both channels under common digital control and place them in one 64-pin TQFP footprint. This integration can reduce component count and simplify firmware coordination. The design remains dependent on a complete review of electrical limits, codec connectivity, ringing behavior, line-state supervision, and required surge protection because these specifications were not present in the verified web snippets.
Customer Premise Equipment
The SI3232-BQ is explicitly identified as a CMOS SLIC for customer premise equipment, making it applicable to compact endpoint products that connect analog phone lines to digital networks. Its dual-channel organization supports equipment handling two subscriber lines, while full software programmability allows line behavior to be adjusted through system firmware. For CPE implementation, designers should verify host-control timing, codec interfaces, electrical characteristics, and thermal performance against the full datasheet. The confirmed 64-pin TQFP package also allows package-oriented PCB planning, although exact land-pattern dimensions remain unavailable here.
VoIP Network Terminal
The SI3232-BQ can serve as the analog line-facing element in a VoIP network terminal that bridges physical telephone lines and packet-based voice processing. Its dual-channel architecture aligns with gateways or terminals offering two-line service, and software programmability supports configuration through the terminal's control system. To use it reliably, the board must include the required line protection, DC feed, ring handling, filtering, and codec connections. Exact operating voltage, host interface, line impedance, and timing parameters are not available in the supplied sources and must be confirmed from the full manufacturer documentation.
Two-Line Voice Terminal
A two-line voice terminal can use the SI3232-BQ to consolidate dual analog line-interface functions into one programmable device. The approach is appropriate when one endpoint must handle two telephone lines while maintaining coordinated line supervision and configuration. Its 64-pin TQFP package provides a defined physical platform for integration, but exact pin assignments and exposed-pad requirements were not included in the supplied records. Engineers should also account for board-level isolation or protection where required, signal conditioning, grounding, and thermal performance in accordance with the complete SI3232 design guidance.
Analog Line Card
The SI3232-BQ is suitable for a small analog line card requiring two software-controlled telephone interfaces. A line-card designer can use the dual-channel SLIC to reduce the number of dedicated line-interface packages and centralize configuration in shared control software. The component must be paired with the appropriate ringing, DC-feed, impedance, codec, and protection circuitry for the target network. Before schematic capture, verify that the device's line-related electrical limits and software-control requirements match the line card's nominal country, network interface, and regulatory environment, since those details were not included in the supplied source records.
Données de référence d'ingénierie pour SI3232-BQ — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit |
|---|---|
| Device Type | Low-voltage CMOS SLIC |
| Channel Count | 2 channels |
| Programmability | Fully software programmable |
| Application | Customer premise equipment |
| Interface | Dual-channel analog telephone interface |
| Package | 64-pin TQFP |
| Brand | Skyworks Solutions Inc. |
Principaux différenciateurs
- Integrated dual-channel telephone interface (vs Discrete dual-line interface implementation)
- Configurable line behavior (vs Fixed-function telephone interface circuit)
- Purpose-built CPE architecture (vs General-purpose interface IC)
Notes de conception
Use the complete SI3232 datasheet and 64-pin TQFP land pattern as the authority for PCB construction; the supplied web snippets do not provide dimensions, pin numbering, exposed-pad details, or recommended copper geometry. Preserve the manufacturer's component and trace guidance around line-facing analog signals, keep digital control routing separated from sensitive analog paths where practical, and provide the specified local decoupling and grounding arrangement. Do not infer the footprint solely from the phrase 64-pin TQFP.
Treat the two analog telephone channels as line-facing interfaces rather than ordinary low-frequency signal inputs. Follow the datasheet's recommended filtering, DC-feed, ring-signal, impedance, and protection arrangements, and observe any separation requirements between analog and digital sections. The verified records do not expose these implementation values, so they cannot be substituted with generic network values. Validate the completed channel against the intended telephone network using the manufacturer's recommended test conditions.
The most likely integration error is assuming that any dual-channel SLIC can replace the SI3232-BQ merely because it uses a 64-pin package. Pin-to-pin qualification also requires matching supply voltage, host interface, codec connections, line-state functions, ringing behavior, and software registers. Because no verified substitute was identified, obtain the original datasheet, review its reference circuit, and qualify firmware and hardware together before introducing an alternative into an existing design.
Before laying out the supply network, confirm the exact operating-voltage range, quiescent current, load-current behavior, and decoupling requirements from the complete manufacturer datasheet. None of those quantitative values appears in the supplied snippets. Connect only after checking that every rail remains within the device's absolute and recommended operating limits under two-channel startup, off-hook, ringing, and fault conditions. Place bypass components according to the documented layout rather than estimating values from generic telephone-interface circuits.
Informations de conformité
No RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations were included in the verified web data. Compliance must be confirmed for the exact orderable MPN using manufacturer or authorized-distributor documentation.
