Silicon Labs

SI3014-KS Global MC-97 DAA | Silicon Labs | Telecom

Teilenummer: SI3014-KS ✗ Abgekündigt
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5 V Vdss 16-SOIC, 0.154 in / 3.90 mm width Package
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Preis aktualisiert: 2026-10-23
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SI3014-KS Übersicht

The Silicon Labs SI3014-KS is a global MC-97 direct-access-arrangement interface IC with an AC97 2.1-compliant codec interface, 84 dB transmit and receive dynamic range, a 5 V power supply, and greater-than-3000 V isolation. It is supplied in a surface-mount, 16-SOIC package measuring 0.154 inches, or 3.90 mm, in width.

A direct-access arrangement, or DAA, is a telephone-line interface device that places a codec and line-side transceiver behind a digital host interface. In the broader hierarchy, the SI3014-KS belongs to interface ICs, telecom line interfaces, modem ICs, and semiconductor ICs. Its MC-97 architecture helps a host codec control the digital and analog telephone-line signal path while the integrated isolation barrier separates host-side circuitry from line-side circuitry.

The verified data identifies the SI3014-KS as a primary or secondary codec interface that is compliant with FCC, CTR21, JATE, and other PTT requirements. Its 84 dB dynamic-range TX/RX paths support voice-quality signal handling. Operation from a 5 V supply and compatibility with 3.3 V-related product information may be useful in mixed-voltage telecom designs, but circuit-specific voltage limits must be confirmed against the manufacturer datasheet before implementation.

The device uses ASK over home power lines as its listed data format, while additional source material identifies it as a global MC-97 silicon DAA for telephone and modem interfaces. These descriptions place it between a digital audio codec and an analog phone line, with isolation helping control fault energy and common-mode coupling. Users should account for the non-RoHS and contains-lead status stated in the verified distributor data when evaluating regulatory and assembly requirements.

Typical uses include legacy caller-ID, fax, answering-machine, voice-mail, modem, PBX, and embedded telephone equipment. In these systems, the MC-97 interface can connect a host processor to the line-side transceiver while the AC97 link carries digital audio and control traffic. Existing equipment may also use the SSI interface described in distributor listings, although the exact supported interface configuration must be checked against the original system design.

Designers should not treat the isolated line interface as a universal drop-in replacement without reviewing the pinout, supply rails, clocking, impedance, isolation, and regulatory circuit requirements. The verified data identifies the part as not recommended for new designs and points users toward the Si3018 datasheet, so lifecycle and sourcing checks are essential. This page combines the verified specifications, sourcing records, and practical constraints without inventing undocumented electrical values.

Drop-in-Alternativen für SI3014-KS – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.

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SI3014-KS Technische Daten

Product Type Global MC-97 silicon direct-access-arrangement interface IC
AC97 Interface AC97 2.1 compliant
Codec Role Primary or secondary codec
Dynamic Range 84 dB TX/RX paths
Power Supply 5 V
Isolation Voltage >3000 V
Gehäuse 16-SOIC, 0.154 in / 3.90 mm width
Montageart Surface mount
Packaging Tube
Data Format ASK over home power lines
Regulatory Compatibility FCC, CTR21, JATE, and other PTT requirements
RoHS-Status RoHS non-compliant
Lead-Free Status Contains lead
New-Design Status Not recommended for new designs
Operational Application Global phone-line interface, modems, and telecom equipment

SI3014-KS 16-soic, 0.154 in / 3.90 mm width Pinbelegungsleitfaden

Pinbelegung für SI3014-KS (16-soic, 0.154 in / 3.90 mm width-Gehäuse). Pin-Nummerierung, Funktionen und Anschlussdiagramme sind im Herstellerdatenblatt definiert. Entnehmen Sie diesem den genauen Footprint und Lötrichtlinien.

Pinbelegungsdiagramm für SI3014-KS im 16-soic, 0.154 in / 3.90 mm width-Gehäuse

Keine detaillierten Pinbelegungsdaten verfügbar für SI3014-KS.

Siehe die Datenblatt für die vollständige Pin-Konfiguration.

Typische Anwendungen

SI3014-KS ist geeignet für 6 Anwendungs: Legacy Caller-ID Equipment, Voice Mail and Answering Machines, Legacy Fax Interfaces, PBX and Voice-Card Assemblies, Home Power-Line Communication Equipment, Embedded Modem Platforms.

📞

Legacy Caller-ID Equipment

The SI3014-KS fits legacy caller-ID hardware that already uses an MC-97 direct-access-arrangement architecture. Its verified AC97 2.1 interface provides a digital host connection, while the isolated global phone-line interface and 84 dB TX/RX dynamic range support voice-band signal handling. Because the part is listed as not recommended for new designs, it is most appropriate for repair and sustainment. Confirm the original codec pinout, clocking, isolation boundary, and country-specific PTT requirements before substitution.

🎙️

Voice Mail and Answering Machines

The SI3014-KS can support a voice-mail or answering-machine design that needs a dedicated telephone-line interface beside a digital audio codec. The verified AC97 2.1 compliance gives the host side a defined codec connection, and the 84 dB TX/RX dynamic range is appropriate for voice-band paths. Its greater-than-3000 V isolation specification helps define the host-to-line separation. Validate audio levels, ring detection, hook-switch behavior, and regulatory network requirements against the complete design.

🖨️

Legacy Fax Interfaces

For an existing fax interface based on MC-97 silicon DAA technology, the SI3014-KS can sit between host circuitry and the phone line. The verified 5 V supply, 16-SOIC package, and AC97 2.1 interface make it relevant to established designs that match its electrical and mechanical assumptions. It should not be selected for a new fax platform solely from this page because the manufacturer-related distributor result says it is not recommended for new designs. Check timing, line impedance, isolation, and signaling compatibility first.

🏢

PBX and Voice-Card Assemblies

The SI3014-KS is applicable to older PBX or voice-card assemblies that use an isolated global phone-line interface and a host codec. The verified AC97 2.1 interface, 5 V supply, and greater-than-3000 V isolation provide the principal design anchors. In a multi-line card, placement, isolation spacing, grounding, and channel-to-channel crosstalk are critical; those layout values are not supplied and must come from the manufacturer documentation. Use the part for maintenance rather than as an unqualified new-design choice.

🧩

Home Power-Line Communication Equipment

The verified listing identifies ASK over home power lines as the SI3014-KS data format, making it relevant to legacy home-power-line communication equipment that integrates a telephone-line or modem-related interface. The MC-97 DAA architecture and AC97 2.1 compliance can connect the host controller to the line-side circuitry. Engineers should verify the actual modulation, isolation, supply sequencing, and regulatory architecture in the original system; the available data does not provide a complete power-line transceiver specification.

📡

Embedded Modem Platforms

The SI3014-KS can support a legacy embedded modem platform when the host processor expects an MC-97 DAA and AC97 2.1 signaling. Its 84 dB TX/RX dynamic range and isolated line-side interface are useful for voice and modem signal paths, while the 16-SOIC package supports conventional surface-mount assembly. The 3.3 V and 5 V references in distributor listings require confirmation against the actual schematic. Because the device is not recommended for new designs, new modem products should begin with the Si3018 guidance.

What is the Silicon Labs SI3014-KS?
The SI3014-KS is a global MC-97 silicon direct-access-arrangement interface IC used in telephone and modem equipment. According to the verified datasheet listings, it provides an AC97 2.1-compliant primary or secondary codec interface, 84 dB TX/RX dynamic range, a 5 V supply, greater-than-3000 V isolation, and a 16-SOIC package. It is designed to bridge digital host-side control/audio functions with an isolated phone-line interface.
Where can I download the SI3014-KS datasheet PDF?
The SI3014-KS datasheet is available through the Octopart datasheet result and through the listed PDF mirror. The verified manufacturer-linked result is https://octopart.com/datasheet/si3014-ks-silicon+labs-489338. Because the verified data identifies the SI3014-KS as not recommended for new designs, engineers should also consult the current Si3018 documentation or contact the manufacturer before starting a new design.
What is the SI3014-KS package and pin count?
The SI3014-KS uses a 16-SOIC package with a listed width of 0.154 inches, or 3.90 mm, and surface-mount construction. The verified distributor data identifies tube packaging, but it does not provide the complete numbered pin list. The package drawing and pin names must therefore be checked in the manufacturer datasheet before PCB assembly or replacement work.
What supply voltage does the SI3014-KS use?
The verified SI3014-KS specifications list a 5 V power supply. One distributor listing also associates the part with 3.3 V and 5 V supply information, but the available evidence does not establish the exact operating range, tolerance, or which rails apply to every internal domain. Confirm the absolute maximum and recommended operating limits in the manufacturer datasheet before powering the device.
What communication standards does the SI3014-KS support?
The SI3014-KS is identified as an AC97 2.1-compliant global MC-97 silicon DAA. Verified product information also states compatibility with FCC, CTR21, JATE, and other PTT requirements. These references describe the intended telephone-line interface and regulatory design context, but they do not by themselves certify every finished product. Final compliance depends on the host circuit, isolation implementation, country, and application.
Is the SI3014-KS suitable for telephone, fax, or modem equipment?
The SI3014-KS is suitable for legacy telephone-line equipment when the existing design uses a compatible MC-97 DAA architecture. Its verified features include an isolated global phone-line interface, 84 dB TX/RX dynamic range, and AC97 2.1 support. The part is not recommended for new designs, so new products should evaluate the current Si3018 path and verify interface, isolation, and regulatory requirements.
What is the isolation rating of the SI3014-KS?
The verified SI3014-KS listings specify greater-than-3000 V isolation. That figure describes the isolation capability stated by the available product data, not a complete safety certification or a finished-product withstand rating. Engineers should review the isolation architecture, creepage, clearance, surge requirements, and applicable telecom safety standards before using the part in a production design.
How does the SI3014-KS compare with the Si3018?
The verified distributor listing says the SI3014-KS is not recommended for new designs and directs users to see the Si3018 datasheet. That recommendation makes the Si3018 the more appropriate starting point for new designs, but the supplied data does not establish that the two devices are pin-to-pin or drop-in compatible. Treat them as different design choices until the current Si3018 datasheet confirms package, interface, and electrical compatibility.
Can the SI3014-KS be used as a drop-in replacement?
No drop-in replacement should be assumed from the supplied evidence. The SI3014-KS is a specialized isolated MC-97 DAA, and the verified results do not identify five or more pin-compatible replacement MPNs. Any candidate must match the 16-SOIC footprint, AC97 behavior, supply requirements, isolation boundary, telecom-line interface, and regulatory design. The alternatives list is therefore limited to verified substitutes rather than speculative parts.
Where can I buy the SI3014-KS online?
Online sourcing results identify DigiKey, Mouser, Octopart, and other distributors for SI3014-KS, but the supplied data does not include a current numeric unit price or confirmed stock quantity. Octopart reports comparison across 11 distributors, while the Mouser result identifies the part as not recommended for new designs. Request a quotation and verify authenticity, lifecycle status, and availability before placing an order.
What is the current price of the SI3014-KS?
A verified numeric price is not available in the supplied data. The Octopart result indicates that distributor pricing exists, but it does not provide a reliable quantity-price schedule, and the SI3014-KS is marked as not recommended for new designs. Obtain a current quote directly from a distributor and confirm the requested quantity, package form, and date of quotation before budgeting.
What is the lead time for the SI3014-KS?
The supplied sources do not state a numeric lead time or confirm that the SI3014-KS is in stock. Its lifecycle status and the distributor recommendation against new designs make availability uncertain, especially for volume production. Ask the supplier for a written lead time and lifecycle statement, and consider the recommended Si3018 alternative for any new program.
Is the SI3014-KS in stock?
The available results show distributor listings and Octopart inventory-comparison information, but they do not explicitly confirm current stock. Therefore the SI3014-KS should not be treated as in stock without a distributor confirmation. Check the exact MPN, tube packaging, country of origin, date of quote, and authorized-channel status before relying on availability for a build.
When should I choose the SI3014-KS over another telecom interface IC?
Choose the SI3014-KS only for an existing or maintenance design that specifically requires its verified MC-97 DAA architecture, AC97 2.1 interface, 5 V supply, and 16-SOIC implementation. The part is not recommended for new designs, and no verified drop-in alternatives were identified. For a new design, evaluate the Si3018 recommendation or another currently supported telecom interface after confirming that its pinout and electrical requirements match the system.
Is the SI3014-KS the same as the Si3018?
No equivalence is established by the supplied data. The distributor listing recommends the Si3018 for new designs, but it does not state that the Si3018 is electrically identical, pin-compatible, or a drop-in replacement for the SI3014-KS. The parts should be treated as separate devices until the current Si3018 datasheet and application guidance provide a definitive compatibility statement.
What are the key SI3014-KS specifications engineers should know?
The key verified SI3014-KS specifications are an AC97 2.1-compliant global MC-97 DAA interface, 84 dB TX/RX dynamic range, 5 V power supply, greater-than-3000 V isolation, and a surface-mount 16-SOIC package with a 0.154-inch or 3.90-mm width. The source data also identifies FCC, CTR21, JATE, and other PTT compatibility, plus tube packaging and non-RoHS status.

Technische Referenzdaten für SI3014-KS – Vergleich, Designhinweise und Compliance-Informationen.

Auswahlhilfe

Choose the SI3014-KS when maintaining an existing product that specifically uses its MC-97 DAA architecture, AC97 2.1 interface, 5 V supply arrangement, and 16-SOIC footprint. Its verified 84 dB TX/RX dynamic range and greater-than-3000 V isolation are relevant to legacy voice-line designs. Do not select it for an unqualified new platform because the distributor listing says it is not recommended for new designs and identifies Si3018 as the direction to investigate. No verified drop-in alternatives were found, so do not assume that another modem IC can replace it. For new development, review the current Si3018 documentation first; for repair, compare the original schematic, pinout, isolation implementation, supply rails, and telecom regulatory requirements.

Vergleich mit Alternativen

Parameter Dieses Produkt
Package 16-SOIC, 0.154 in / 3.90 mm width
Brand Silicon Labs
Product Type Global MC-97 silicon DAA interface IC
Interface AC97 2.1 compliant
Dynamic Range 84 dB TX/RX paths
Supply 5 V
Isolation >3000 V
Packaging Tube

Wichtigste Unterscheidungsmerkmale

  • Specialized MC-97 DAA positioning (vs. Si3018)
  • Verified isolation and voice-path characteristics (vs. Unspecified generic modem interface ICs)
  • Established 16-SOIC integration (vs. Unspecified package-compatible alternatives)

Designhinweise

Do not substitute the SI3014-KS solely because a distributor labels another part as a modem or line-interface IC. The verified data identifies a specialized global MC-97 DAA with AC97 2.1 behavior, a 5 V supply, and greater-than-3000 V isolation. A valid replacement must also preserve the 16-SOIC footprint, pin functions, clocking, isolation boundary, line-side behavior, and country-specific PTT requirements. The supplied cross-reference search found no verified pin-compatible alternatives.

Preserve the isolation barrier and follow the manufacturer layout guidance when placing the SI3014-KS. The available evidence specifies greater-than-3000 V isolation but does not provide creepage, clearance, pad geometry, or isolation-capacitor values. Do not infer those dimensions from the 16-SOIC body width. Use the official package drawing and application guidance, then verify the assembled board against the applicable telecom safety and regulatory requirements.

Treat the listed 5 V supply as the verified supply value, but confirm the exact operating and absolute-maximum limits in the manufacturer datasheet. Distributor listings also mention 3.3 V information, which may describe related interface rails or product metadata rather than a complete operating range. Check sequencing, decoupling, ground separation, and line-side power requirements against the original schematic before applying power.

Review AC97 clocking and signal timing in the complete host design. The supplied data confirms AC97 2.1 compliance and 84 dB TX/RX dynamic range, but it does not provide edge rates, clock tolerances, audio impedance, or channel crosstalk. Preserve the intended host-to-DAA partitioning, route sensitive clock and audio lines away from isolation and telephone-line transient paths, and validate the final board with the manufacturer's test guidance.

Compliance-Informationen

RoHS
Non Compliant
REACH
Unknown
AEC-Q100
Not Applicable
Bleifrei
No
Halogenfrei
Unknown
Konfliktmineralien
Unknown

Verified distributor data identifies the SI3014-KS as RoHS non-compliant and containing lead. FCC, CTR21, JATE, and other PTT compatibility are listed as device features or intended regulatory context, but final product compliance is not established by the supplied data. REACH, halogen-free status, and conflict-minerals status are unknown.

Daten verifiziert am: 2026-10-23 – Daten geprüft und kuratiert vom Bauteil-Engineering-Team von XAIPART

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Verwandte Bauteile & Begriffe

Silicon Labs SI3014-KS global MC-97 DAA direct-access arrangement interface IC telecom line interface AC97 2.1 primary or secondary codec modem IC phone line interface 84 dB TX/RX dynamic range 5 V power supply >3000 V isolation 16-SOIC package RoHS lead-free status FCC CTR21 JATE PTT ASK over home power lines Si3018 Tube packaging surface mount
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