Silicon Labs

SI3019-KT - V.92 Global DAA Interface IC | Silicon Labs

MPN: SI3019-KT ✓ Nakahanda
Up to 4-wire hybrid Id 16-TSSOP (0.173 in, 4.40 mm width) Package
MOQ: 1 |

SI3019-KT Ulas

Silicon Labs SI3019-KT is a Global Serial Interface Direct Access Arrangement, or DAA, integrated circuit implementing V.92 data-format signaling in a 16-pin TSSOP package. The device provides an 80 dB dynamic range across its transmit and receive paths and integrates a codec, AC and DC line termination, ring detection, and support for connection to a four-wire hybrid. These functions position the SI3019-KT as a line-side analog interface for legacy telephone equipment operating with V.92 modem signals. The 16-TSSOP package is supplied in a tube according to the verified distributor specification.

A direct access arrangement is the line-side interface between a telephone network and a data modem or terminal. A DAA integrates several functions that would otherwise require separate codec, termination, and detection circuitry. In the broader semiconductor hierarchy, the SI3019-KT belongs to the interface IC category, and more specifically to the telecom DAA and integrated codec product class. Its V.92 designation identifies the data format supported by the device, while the integrated four-wire hybrid interface supports connection to external line-interface circuitry.

The principal verified feature set includes V.92 data-format support, AC and DC termination, a ring-detect threshold function, ringer-impedance handling, an integrated codec, and an interface for up to a four-wire hybrid. The specified 80 dB dynamic range applies to the transmit and receive paths. These functions make the part relevant to legacy data-modem, terminal-adapter, and telephone-line interface designs where a compact integrated line-side solution is valuable. No operating-voltage, absolute-maximum-rating, clock, or temperature-range values were supplied in the verified source material.

Technically, the SI3019-KT combines digital codec functions with analog telephone-line termination functions. AC termination supports the voice-frequency band, while DC termination manages the line's DC operating condition. Ring detection allows downstream circuitry to identify an incoming line event, and the ringer-impedance feature provides control over the impedance presented to the line during ringing. The integrated codec handles the digital side of the signal path, and the four-wire hybrid connection allows the DAA to work with external transmit and receive line paths.

Typical applications include V.92 dial-up modem equipment, legacy data terminal adapters, telephone interface cards, fax equipment, and industrial communication products that retain compatibility with analog telephone networks. The compact 16-TSSOP package can simplify board layout compared with a discrete codec-and-termination implementation. However, this device is intended for legacy V.92 systems and should not be assumed to support newer broadband protocols, echo-cancellation performance, or packetized VoIP functionality without consulting the complete manufacturer documentation.

The primary design consideration is the external analog network around the DAA. The four-wire hybrid, line termination components, protection network, ring-detection interface, and codec connections must be designed to the voltage, impedance, and signal-integrity limits of the target telephone line. Designers should also account for the non-RoHS and lead-containing status reported by the verified distributor specification before using the part in new compliance-sensitive programs.

This product record combines the verified package, V.92 format, 80 dB dynamic range, termination, codec, ring-detection, and hybrid-interface details with practical selection guidance. It also distinguishes verified technical facts from unprovided electrical ratings, preserves the distributor-reported compliance status, and avoids presenting packaging-order variants as engineering alternatives.

Mga alternatibo na pwedeng ilagay na SI3019-KT — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.

Wala ng magagamit na drop-in alternatibo para sa produkto na ito.

Hilingin ang Alternatibo

SI3019-KT Mga Spesipikasyon

Product Type Global Serial Interface Direct Access Arrangement (DAA)
Data Format V.92
TX/RX Path Dynamic Range 80 dB
AC Termination Integrated
DC Termination Integrated
Codec Integrated
Hybrid Interface Up to 4-wire hybrid
Packhaging 16-TSSOP (0.173 in, 4.40 mm width)
Uri ng Pagpapasok Surface mount
Packaging Tube
Lead-Free Status Contains lead
Tindminan RoHS RoHS non-compliant

Gabay sa Pin Configuration ng SI3019-KT 16-tssop (0.173 in, 4.40 mm width)

Pin configuration para sa SI3019-KT (16-tssop (0.173 in, 4.40 mm width) package). Ang pagnunumero ng pin, mga function, at connection diagram ay tinukoy sa datasheet ng manufacturer. Sumangguni dito para sa eksaktong footprint at mga alituntunin sa soldering.

Pinout diagram ng 16-tssop (0.173 in, 4.40 mm width) package para sa SI3019-KT

Wala ng detalyadong pinout data na magagamit para sa SI3019-KT.

Sumangguni sa datasheet para sa buong pin configuration.

Tipikal na mga Gamit

SI3019-KT ay nararapat para sa 6 aplikasyons: V.92 Dial-Up Modem, Legacy Data Terminal Adapter, Fax and Legacy Communication Equipment, Telephone Network Interface Card, Industrial Telephone-Line Gateway, Legacy VoIP FXS Front End.

🌐

V.92 Dial-Up Modem

The SI3019-KT is suitable for a legacy V.92 dial-up modem because the verified specification identifies V.92 data-format support together with AC termination, DC termination, ring detection, and an integrated codec. The device can serve as the line-side interface between the telephone network and the modem's signal-processing circuitry. Its 80 dB TX/RX dynamic range provides a defined performance level for the transmit and receive paths. Because the supplied data does not include line-interface voltage limits or channel-rate details, the complete manufacturer datasheet and the modem reference design should govern component selection and protection design.

📞

Legacy Data Terminal Adapter

The SI3019-KT can be used in a data terminal adapter that connects equipment to an analog telephone line while retaining V.92 compatibility. Its integrated codec and termination functions reduce the number of separate line-interface blocks required around the modem section. Ring detection and ringer-impedance control are useful when the adapter must identify incoming calls and manage the telephone-network loading during ringing. The 16-TSSOP package also supports compact line cards, although the layout must include the external four-wire hybrid and all protection components required by the telephone-line environment.

🖨️

Fax and Legacy Communication Equipment

The SI3019-KT fits legacy fax or communication equipment that uses a V.92-compatible line-side path and needs integrated codec, termination, and incoming-call detection. The documented 80 dB dynamic range is the primary quantified signal-path figure available for design planning. Its function must still be matched to the fax modem's analog interface architecture; a shared package or a similar codec description is not enough to guarantee interchangeability. Engineers should validate line impedance, ring-detection behavior, and the external hybrid network against the complete datasheet and system-level telephone-network requirements.

🖥️

Telephone Network Interface Card

The SI3019-KT is applicable to a compact telephone network interface card intended to terminate one analog line. Its integrated AC termination, DC termination, codec, and four-wire hybrid interface concentrate the line-side functions into a 16-TSSOP device, while the 80 dB TX/RX dynamic range defines the available signal-path dynamic range. A production card should add suitable line protection and verify ringing, hook-state, and codec timing behavior. The verified excerpts do not provide those voltages, so component selection must remain conditional on the complete electrical specification.

🏭

Industrial Telephone-Line Gateway

The SI3019-KT can support an industrial gateway or monitoring product that must communicate over a legacy analog telephone line. Its V.92 data format provides a defined modem path, while ring detection can inform downstream control logic and the integrated codec reduces external circuitry. The 80 dB TX/RX dynamic range is useful when establishing a signal-chain budget for the legacy modem. The design should use a four-wire hybrid where required and should treat external line protection as a separate, safety-critical design task governed by the applicable telephone-network interface requirements.

📱

Legacy VoIP FXS Front End

The SI3019-KT can serve as the physical analog line front end of a legacy FXS design, but it does not itself provide packetized voice processing. The V.92 interface and integrated codec provide a path between the telephone line and modem-facing circuitry, while the conventional termination and ring-detection blocks support an analog subscriber-line connection. In a modern system, a separate voice processor or modem must bridge this legacy path to packet transport. Its RoHS non-compliant and lead-containing status should be reviewed before the part is introduced into a new environmentally regulated design.

What is the SI3019-KT and what does it do?
The SI3019-KT is a Silicon Labs Global Serial Interface Direct Access Arrangement for V.92 data-format telephone-line interfaces. According to the verified distributor specification, it integrates AC and DC termination, an integrated codec, ring detection, ringer-impedance control, and an interface for up to a four-wire hybrid. It is therefore intended as the line-side interface between legacy analog telephone networks and modem or terminal circuitry rather than as a general-purpose Ethernet or USB controller.
What package does the SI3019-KT use?
The SI3019-KT is packaged in a 16-pin TSSOP measuring 0.173 inch, or 4.40 mm, in width. The verified DigChip specification identifies the case as 16-TSSOP, while the Heisener listing describes the same package. Its verified packaging method is tube. No exact body length, lead pitch, exposed-pad arrangement, or dimensional drawing was included in the supplied source snippets, so those details should be confirmed against the manufacturer datasheet before layout release.
What data format does the SI3019-KT support?
The SI3019-KT supports the V.92 data format. This identifies it as a legacy analog line-side modem interface rather than a V.90 or broadband line interface. According to the verified DigChip specification, the device also provides AC termination, DC termination, ring detection, ringer impedance, an integrated codec, and a four-wire hybrid interface. The exact channel rate and other modem parameters were not present in the supplied data and require confirmation from the complete datasheet.
What are the key specifications of SI3019-KT that engineers should know?
The SI3019-KT is a 16-TSSOP V.92 line-side DAA with an 80 dB TX/RX dynamic range. Its verified functional blocks include AC termination, DC termination, an integrated codec, ring detection, ringer impedance, and support for up to a four-wire hybrid. The distributor specification also reports tube packaging, a lead-containing termination, and RoHS non-compliance. Input voltage, temperature range, codec timing, and pin-level absolute maximum ratings were not supplied.
Where can I download the SI3019-KT datasheet PDF?
The SI3019-KT datasheet PDF is available from the verified IC Components document link and can also be located through the Octopart SI3019-KT datasheet result. The verified document link is https://www.ic-components.com/products/afe121145/SI3019-KT.pdf. The source excerpts do not provide a manufacturer document number or revision, so those identifiers should not be inferred. Users should also verify the complete pin table, electrical limits, and recommended application circuit in the downloaded document.
Where can I find the SI3019-KT pinout?
The SI3019-KT pin assignments are not available in the supplied verified excerpts, so this record cannot safely reproduce them. The manufacturer datasheet should be used for the authoritative 16-pin TSSOP numbering, including power, ground, codec, ring-detect, termination, and hybrid-signal connections. The Octopart datasheet result and the verified IC Components PDF are appropriate starting points. Assigning pin names from memory could produce an unsafe telephone-line interface.
Where can I buy SI3019-KT online and is it in stock?
The SI3019-KT can be found through DigiKey, Mouser, Octopart, Heisener, and other listed distributors. The verified Heisener result reported 109,032 pieces in stock and immediate shipment, while DigiKey's result stated that the part ships today. Actual stock, lot traceability, and shipment date can change, so buyers should confirm current inventory at the selected distributor. The supplied excerpts do not disclose numeric unit prices.
What is the price of SI3019-KT?
The current numeric price of the SI3019-KT is not available in the supplied verified data, so a price cannot be stated reliably as of 2026-10-28. Octopart identifies the part as available for bulk-price comparison across four distributors, while DigiKey and Mouser provide product pages that may offer quote or logged-in pricing. Request a current quotation for quantities of 1, 10, 100, 500, and 1000, and confirm whether tube packaging and any assembly charges are included.
What is the lead time for SI3019-KT?
The SI3019-KT lead time is not specified as a fixed manufacturer forecast in the verified sources. Heisener's listing indicated that the part could ship immediately and displayed an estimated delivery window, while DigiKey stated that it ships today. Because availability can vary by quantity and distributor inventory, the practical lead time as of 2026-10-28 should be confirmed with the supplier. For production planning, request a dated quotation that includes manufacturer stock, authorized-distributor stock, and packaging availability.
Is the SI3019-KT RoHS compliant?
The SI3019-KT is listed as RoHS non-compliant in the verified DigChip specification, which also states that its lead-free status is contains lead. This status should be treated as a product constraint for new designs, especially in Europe and other markets where RoHS restrictions apply. The verified excerpts do not independently establish REACH, halogen-free, conflict-minerals, or automotive qualification status, so those fields remain unknown rather than assumed.
What can replace the SI3019-KT?
No verified drop-in replacement for the SI3019-KT was identified in the supplied cross-reference data. The search results linked to generic substitution tools and returned the original SI3019-KT listings, but they did not identify a distinct candidate with a confirmed 16-TSSOP footprint, pin-to-pin mapping, and equivalent V.92 DAA function. A valid replacement must match the complete pinout and telephone-line electrical behavior, not merely the package name, so engineers should not substitute a merely similar telecom interface IC without manufacturer validation.
What is the best Skyworks equivalent for the SI3019-KT?
The verified DigiKey result identifies SI3019-KT under Skyworks Solutions because the product was transferred from Silicon Labs, so a separate Skyworks-equivalent MPN was not established in the supplied data. Renaming the same SI3019-KT order code under the acquiring manufacturer does not provide an independent alternative or additional sourcing channel. For a second-source design, request a manufacturer-approved cross-reference and a pin-compatibility and electrical-compatibility statement for any separate Skyworks MPN before redesigning the board.
SI3019-KT vs Si3050 - which is better for a V.92 modem?
The SI3019-KT is the documented choice when the design specifically requires a V.92 DAA, a 16-TSSOP package, and the listed integrated termination and four-wire-hybrid functions. A Mouser search snippet mentioned Si3050 as an enhanced global-voice line-side DAA, but it did not provide a pinout, package, or complete V.92 parameter comparison. Therefore, the SI3050 should not be treated as a drop-in replacement without verifying that the legacy modem architecture and PCB land pattern are unchanged.
When should I choose the SI3019-KT over a generic telecom interface IC?
Choose the SI3019-KT when the equipment must implement a legacy V.92 analog telephone interface and the design benefits from a documented 16-TSSOP DAA containing AC termination, DC termination, a codec, ring detection, ringer impedance, and a four-wire hybrid interface. A generic codec or line driver may offer more flexibility, but it can also require more external components and separate validation. This part is not the appropriate selection merely by package count; functional compatibility with the telephone network and its pins must come first.
Is the SI3019-KT suitable for a VoIP or broadband terminal?
The SI3019-KT is best suited to legacy V.92 analog line-side equipment, not a modern packetized VoIP or broadband data terminal. The verified product data identifies V.92 data format support and traditional telephone-line termination, while it does not establish packet voice, echo cancellation, wideband codecs, or Ethernet interfaces. A VoIP design may still use the IC for a legacy FXS interface, but it should be isolated behind a suitable voice or data terminal rather than treated as a direct Ethernet interface.

Impormasyon ng Talumpati sa Engineering for SI3019-KT — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.

Paunawang Hanapin

Choose the SI3019-KT when a new or maintained design explicitly requires a V.92 line-side DAA and can accept a RoHS non-compliant, lead-containing component. Its verified combination of AC and DC termination, integrated codec, ring detection, ringer impedance, four-wire hybrid support, and 80 dB TX/RX dynamic range makes it appropriate for legacy dial-up modems, terminal adapters, fax equipment, and analog line-interface cards. Do not select it for packetized VoIP, Ethernet, or broadband interfaces solely on its codec capability. The supplied cross-reference search produced no distinct drop-in candidate with a verified 16-TSSOP footprint and pin-to-pin compatibility, so a second source requires a manufacturer-approved equivalent and a complete pin, electrical, and line-behavior comparison. Also review whether the compliance profile prevents use in regions or programs governed by RoHS.

Ikabit sa Mga Alternatibo

Parametro Ito ang Producto
Package 16-TSSOP (0.173 in, 4.40 mm width)
Brand Silicon Labs
Product Type Global Serial Interface Direct Access Arrangement (DAA)
Data Format V.92
TX/RX Path Dynamic Range 80 dB
AC Termination Integrated
DC Termination Integrated
Codec Integrated
Ring Detection Supported
Hybrid Interface Up to 4-wire hybrid
Packaging Tube
RoHS Status RoHS non-compliant

Pangunahing mga Pagkakaiba

  • Verified V.92 line-side function (kumpara saGeneric 16-TSSOP telecom codecs)
  • Documented integrated line-interface functions (kumpara saSi3050)
  • Defined package and production format (kumpara saUnverified substitutes in generic cross-reference results)

Talaan ng Disenyo

Route the DAA's sensitive codec and hybrid-related signals as short, continuous paths on the printed circuit board, with a solid ground reference and minimal stub branches. Place the component-side termination and protection components near their associated pins according to the complete manufacturer application circuit. Because the verified excerpts do not include the pinout or layout drawing, engineers must use the manufacturer footprint and reference layout rather than infer lead numbering from the 16-TSSOP package name.

Design the V.92 transmit and receive paths around the documented 80 dB dynamic range and verify gain, attenuation, impedance, and noise margins in the complete analog channel. The integrated codec and four-wire hybrid interface do not eliminate external line-network design. Use controlled-impedance routing where appropriate, provide local return paths, and test the finished board for echo, gain deviation, and spurious coupling. Exact codec timing, channel bandwidth, and permitted signal levels require the unavailable electrical characteristics in the full datasheet.

Do not treat any similarly packaged telecom codec as a drop-in substitute without checking the complete pin map, analog function assignment, and operating limits. Do not infer SI3019-KT electrical ratings from unrelated line-interface devices, and do not assume that a generic ringing circuit can replace the documented ring-detection and ringer-impedance functions. The supplied evidence confirms the 16-TSSOP package, V.92 format, integrated termination and codec, four-wire hybrid interface, and 80 dB dynamic range; all other ratings must be confirmed before schematic release.

Keep the telephone-line-side energy confined to the protected line-interface section and separate sensitive codec traces from high-energy ring and line transients. Use the external protection and hybrid network specified by the manufacturer, and validate conducted and radiated emissions on the assembled product. The provided sources do not establish an EMC standard or immunity level, so this note addresses implementation practice rather than claiming a specific compliance result. The documented ring-detection and termination functions should be tested with realistic line states and transient conditions.

Impormasyon ng Pagsunod sa Kautusan

RoHS
Non Compliant
REACH
Unknown
AEC-Q100
Not Applicable
Walang Lead
No
Walang Halogen
Unknown
Mga Conflict Mineral
Unknown

The verified DigChip specification reports RoHS non-compliant and contains lead. No verified RoHS exemption, REACH declaration, halogen-free statement, conflict-minerals statement, or automotive qualification was supplied.

Data napatotohanan sa: 2026-10-28 — impormasyon na pinatunayan at pinapatakbo ng pangkat ng engineering ng XAIPART's component engineering team

Kaugnay na Hanapin

SI3019-KT Silicon Labs SI3019-KT SI3019-KT datasheet PDF SI3019-KT V.92 DAA SI3019-KT 16-TSSOP pinout SI3019-KT drop-in replacement SI3019-KT price and stock SI3019-KT Si3050 comparison Where to buy SI3019-KT online What is the lead time for SI3019-KT SI3019-KT direct access arrangement V.92 line-side DAA 16-TSSOP Is SI3019-KT RoHS compliant SI3019-KT four-wire hybrid interface What can replace SI3019-KT

Mga kaugnay na Mga Komponente at mga Tuntunin

Silicon Labs SI3019-KT Skyworks Solutions Direct Access Arrangement DAA V.92 telecom interface IC integrated codec AC termination DC termination ring detection ringer impedance four-wire hybrid TX/RX dynamic range 80 dB dynamic range 16-TSSOP TSSOP package family surface-mount package dial-up modem legacy terminal adapter analog telephone line FXS interface RoHS REACH lead-free status
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