SI3050-KT - Global Voice DAA | Silicon Labs | Telecom
MPN: SI3050-KT ✗ اختتامِ زندگیSI3050-KT جائزہ
A direct access arrangement is the analog interface between a telephone line and a digital voice system. This category of interface IC integrates the functions needed to detect line state, supervise current, exchange voice samples, and support a local handset. A global voice DAA therefore sits between a foreign-exchange-office line and digital telephony circuitry, where it replaces a larger collection of discrete analog, isolation, and supervision components.
The Si3050 uses Silicon Laboratories' patented capacitive isolation technology, allowing high-voltage capacitors to provide isolation without the same bulk and cost as isolation transformers, relays, or optoisolators. The companion Si3011, Si3018, and Si3019 devices support system-side implementations, while the SI3050 handles the line-side interface. Its programmable control and monitoring functions provide designers with a configurable interface for globally compliant voice-telephony equipment.
A key technical benefit is the integration of the PCM highway or SPI control path with a conventional telephone-line interface. The 80 dB dynamic range supports voice-band signal handling, while line-voltage and loop-current monitors report the external line state to system logic. The selectable +6 dBm and +3.2 dBm operating levels provide installation flexibility, and u-law and A-law companding supports widely deployed PCM telephony formats. The parallel handset interface adds direct local-handset connectivity.
Typical applications include voice cards, foreign-exchange-office customer premises equipment, digital telephone adapters, caller-ID systems, voice gateways, analog telephone line interfaces, and embedded telephony platforms. In these systems, the SI3050-KT connects the analog line to a companion Si3011, Si3018, or Si3019 system-side device and translates line activity and voice signals into a digital interface.
Designers should pay particular attention to the external isolation, protection, and line-interface network because the SI3050-KT does not replace application-specific overvoltage protection. PCB placement should preserve the isolation region between the telephone line and logic domains, and the 4.40 mm TSSOP footprint requires careful lead spacing during assembly. Verify the exact companion-device configuration, country-specific line compliance, and isolation-component values against the manufacturer datasheet.
This product page consolidates verified package, interface, monitoring, companding, and lifecycle information with application guidance and drop-in cross-reference analysis. It also separates confirmed specifications from parameters that require manufacturer-document verification, helping engineers evaluate the SI3050-KT without mistaking distributor metadata for a complete electrical characterization.
کے لیے ڈراپ اِن متبادل SI3050-KT — یکساں پیکیج، پن سے پن مطابقت پذیر۔ مختلف پیکیج والے پرزے جن کے لیے PCB دوبارہ کام درکار ہو، شامل نہیں ہیں۔
SI3050-D-FT
✅ ڈراپ-اِن📋 حوالہ جاتی متبادل (کیٹلاگ میں نہیں)
SI3050-KT تفصیلات
| Product Type | Programmable global voice direct access arrangement (DAA) |
| پیکیج | 20-pin TSSOP, 4.40 mm width |
| پن کی تعداد | 20 pins |
| ماؤنٹنگ ٹائپ | Surface mount |
| Digital Interface | PCM highway and SPI control interfaces |
| Interface to Line | GCI interface |
| Dynamic Range | 80 dB |
| Voice Companding | u-law and A-law |
| Transmit and Receive Levels | +6 dBm or +3.2 dBm |
| Line Monitoring | TX/RX line-voltage monitor |
| Current Monitoring | Loop-current monitor |
| Local Handset Support | Parallel handset interface |
| Isolation Technology | Patented capacitive isolation technology |
| Packaging | Tube |
| Lead-Free Status | Contains lead |
| RoHS اسٹیٹس | RoHS non-compliant |
SI3050-KT 20-pin tssop, 4.40 mm width پن کنفیگریشن گائیڈ
SI3050-KT (20-pin tssop, 4.40 mm width پیکیج) کے لیے پن کنفیگریشن۔ پن نمبرنگ، فنکشنز اور کنکشن ڈایاگرامز مینوفیکچرر کے ڈیٹا شیٹ میں بیان کیے گئے ہیں۔ درست فٹ پرنٹ اور سولڈرنگ رہنما ہدایات کے لیے اسی سے رجوع کریں۔
کے لیے تفصیلی پن آؤٹ ڈیٹا دستیاب نہیں SI3050-KT.
رجوع کریں ڈیٹا شیٹ مکمل پن کنفیگریشن کے لیے۔
عام استعمالات
SI3050-KT کے لیے موزوں ہے 6 ایپلیکیشنs: Foreign Exchange Office Customer Premises Equipment, Digital Telephone Adapter, Analog Voice Interface Card, Caller ID and Line Supervision System, Voice Gateway Line Card, Embedded Telephony Platform.
Foreign Exchange Office Customer Premises Equipment
The SI3050-KT fits the line side of a foreign-exchange-office design because it combines an analog telephone-line interface, programmable control, an 80 dB dynamic range, and support for Si3011, Si3018, or Si3019 system-side devices. Its PCM highway or SPI path can carry voice samples and supervision information to the digital processing section. Capacitive isolation separates the line domain without requiring a conventional isolation transformer, relay, or optoisolator. Country-specific line behavior, protection networks, and component values still require verification against the current regional requirements.
تجویز کردہ
Digital Telephone Adapter
The SI3050-KT is appropriate for a digital telephone adapter that must accept an analog line and present controlled voice data to digital circuitry. Its programmable TX/RX level options of +6 dBm or +3.2 dBm support installation-level adjustment, while the line-voltage and loop-current monitors allow supervisory software to distinguish line events. The 80 dB dynamic range is suitable for the voice-band role, and the 20-pin TSSOP package reduces board-space requirements compared with a larger discrete interface implementation.
تجویز کردہ
Analog Voice Interface Card
For an analog voice interface card, the SI3050-KT consolidates telephone-line sensing, loop-current supervision, voice-path control, companding, and digital transport into one programmable DAA. Its GCI capability and selectable +6 dBm or +3.2 dBm operating levels support multiport voice-card design, while the parallel handset interface can support a local parallel-handset path. Designers must preserve the high-voltage isolation boundary and add application-specific overvoltage protection outside the IC.
تجویز کردہ
Caller ID and Line Supervision System
The SI3050-KT supports caller-ID and line-supervision equipment through its combination of line-voltage monitoring, loop-current monitoring, and a programmable digital control interface. The SI3050 can report external line conditions to an Si3011, Si3018, or Si3019 companion while simultaneously handling the voice path. Its u-law and A-law companding options align with conventional PCM telephony formats. Exact signal timing, detection thresholds, and regional line requirements are not present in the supplied data and must be checked in the manufacturer datasheet.
تجویز کردہ
Voice Gateway Line Card
A voice gateway line card benefits from the SI3050-KT because it integrates an analog line interface, programmable level control, monitoring, companding, and digital connectivity. The device can pair with the Si3011, Si3018, or Si3019 family to concentrate voice traffic over a shared digital interface. Capacitive isolation helps keep telephone-line energy away from sensitive logic while avoiding the size of a traditional isolation transformer. Engineers should validate thermal performance, isolation capacitors, protection devices, and clocking for the complete line-card implementation.
تجویز کردہ
Embedded Telephony Platform
The SI3050-KT can serve embedded telephony platforms that require a compact, programmable line-side interface alongside digital signal processing. Its 20-pin TSSOP package supports compact assembly, and the parallel handset interface provides a useful path for local-handset control. The documented 80 dB dynamic range, loop-current monitor, and line-voltage monitor provide the core functions needed to manage an analog line. Before adoption, confirm the device's current lifecycle status, supply requirements, absolute maximum ratings, and country-specific compliance.
تجویز کردہ
تجویز کردہ پروڈکٹس کا خلاصہ
کے لیے انجینئرنگ ریفرنس ڈیٹا SI3050-KT — موازنہ، ڈیزائن رہنمائی، اور تعمیل کی معلومات۔
انتخاب کی گائیڈ
متبادلات کے ساتھ موازنہ
| پیرامیٹر | یہ پروڈکٹ | SI3050-D-FT |
|---|---|---|
| Brand | Silicon Labs | Silicon Labs |
| Package | 20-TSSOP, 4.40 mm width | 20-TSSOP - same package class |
| Product Type | Programmable global voice DAA | System-side DAA |
| Pin Count | 20 pins | 20 pins |
اہم امتیازی خصوصیات
- Integrated global voice DAA functionality (بمقابلہSI3050-D-FT)
- Capacitive isolation without conventional isolation components (بمقابلہSI3050-D-FT)
- Programmable line and level supervision (بمقابلہSI3050-D-FT)
ڈیزائن نوٹس
Preserve the telephone-line isolation boundary throughout the PCB stack-up and component placement. Keep the SI3050-KT line-side and logic-side networks segregated, place approved isolation capacitors at the intended interface, and maintain the clearances required by the final telephone-network and safety design. Copper, slots, connectors, and test equipment can unintentionally defeat isolation if they bridge the boundary.
Do not assume that the SI3050-KT's digital-side supply arrangement also satisfies the telephone-line interface requirements. Determine the required line-side bias network, protection devices, surge paths, and supply tolerances from the manufacturer application schematic and applicable regional rules. Confirm all component voltage ratings and ensure that fault energy is diverted by the external protection network rather than the DAA.
Treat SI3050-D-FT as a candidate rather than an automatic replacement until its complete pinout, registers, electrical limits, clocking, isolation network, and line-interface behavior are compared with SI3050-KT. The verified search confirms a common 20-pin TSSOP format but does not establish unconditional pin-to-pin compatibility. A package match alone cannot validate a legacy telephone interface.
Follow the manufacturer placement and external-network recommendations for the 20-pin TSSOP footprint and the Si3011/18/19 companion arrangement. Keep high-voltage line nodes physically separated from low-level digital signals, minimize loop area around sensitive nodes, and use a ground and isolation strategy that remains effective at the installed system level. Validate the assembly against the actual tube orientation and pin-1 marking.
تعمیل کی معلومات
Verified distributor metadata states that the SI3050-KT is RoHS non-compliant and contains lead. REACH, halogen-free, and conflict-minerals information was not supplied.
