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Infineon Technologies PEF3394ELV2.2-G
- Part No.:
- PEF3394ELV2.2-G
- Manufacturer:
- Infineon Technologies
- Category:
- Telecom
- Package:
- -
- Datasheet:
-
PEF3394ELV2.2-G.pdf
- Description:
- TELEPHONY INTERFACE CIRCUIT
- Quantity:
- Payment:
- Shipping:
Inventory:320
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Product details
Overview
PEF3394ELV2.2-G from Infineon Technologies is a 4-channel analog voice access IC with integrated DSP, supporting G.723.1/G.729A/B/E/G.726/G.711 codecs, T.38 fax relay, and line echo cancellation up to 128 ms per channel for VoIP residential gateways and ATAs.
For engineers reviewing the PEF3394ELV2.2-G datasheet, PEF3394ELV2.2-G pinout, PEF3394ELV2.2-G application, or PEF3394ELV2.2-G equivalent, key selection criteria include simultaneous VoCoder count (4), AAL2/RTP packetization support, integrated DTMF/Caller-ID, programmable ringing (85 VRMS balanced), and GR-909-compliant line testing.
Technical Context
The PEF3394ELV2.2-G implements a dedicated voice-processing DSP core optimized for real-time VoIP packetization using AAL2 and RTP, with adaptive jitter buffering up to 200 ms. It supports full-duplex echo cancellation meeting G.168-2002 requirements and integrates hardware-accelerated T.38 fax relay with V.17/V.21/V.27ter/V.29 modulation support.
It operates as a standalone CODEC with no external RAM required, featuring on-chip code RAM for firmware download and programmable AC/DC line characteristics compliant with ITU-T Q.552 and G.712. Its SLIC interface supports multiple Infineon SLIC families including SLIC-P, SLIC-E2, and SLIC-DC.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Analog Channels | 4 independent POTS lines with full-duplex operation |
| Voice Codecs | G.723.1, G.729A/B/E, G.726 (16/24/32/40 kbit/s), G.711, iLBC (in preparation) |
| Echo Cancellation | Up to 128 ms tail length, compliant with G.165/G.168-2002 |
| Packetization | AAL2 and RTP with adaptive jitter buffer up to 200 ms |
| Ringing Voltage | Programmable up to 85 VRMS balanced or 50 VRMS unbalanced |
| Line Testing | Advanced Integrated Test and Diagnostic Functions (AITDF) per GR-909 |
| Fax Support | T.38 relay with V.17/V.21/V.27ter/V.29 modulation |
Pinout & Package
PEF3394ELV2.2-G is housed in a 176-pin LQFP package (PG-LQFP-176-2) with exposed thermal pad, designed for high-density voice access board layouts and thermal management in CPE applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO / VDDA / VDDD | Power supply domains | Separate 3.3 V I/O, analog, and digital rails for noise isolation |
| CLKIN / CLKOUT | Master clock interface | Supports 16.384 MHz or 32.768 MHz crystal input for precise timing |
| PCMx_TX / PCMx_RX | TDM serial interface | Four independent PCM channels for connection to host processor or FPGA |
| SLICx_CTRL / SLICx_DATA | SLIC control bus | Parallel 8-bit interface to Infineon SLIC devices (e.g., PEB 4265-2) |
| RESET_N / IRQ_N | System control signals | Active-low reset and interrupt request for host synchronization |
Key Features
| Feature | Design Value |
|---|---|
| Integrated Voice Processing DSP | Offloads all real-time voice tasks (codec, echo cancellation, packetization) from host CPU |
| Patent-Indemnified Vocoder Suite | Enables commercial deployment of G.723.1/G.729 without third-party licensing risk |
| Programmable Ringing Generator | Eliminates need for external ringing transformers in residential gateway designs |
| GR-909 Line Testing Engine | Permits automated loop diagnostics and QoS monitoring without external test equipment |
| SLIC Family Compatibility | Interoperates with 8+ Infineon SLIC variants (SLIC-P, SLIC-E2, SLIC-DC, etc.) via standardized interface |
Applications
| Residential VoIP Gateway | VoIP Analog Telephone Adapter (ATA) |
|---|---|
Use Scenario: Single-board solution converting PSTN analog phones to SIP-based VoIP networks in home environments. IC Role / Device Role / Timing Role: Primary voice processing engine handling codec, echo cancellation, and AAL2/RTP packetization. Use Value: Enables carrier-grade voice quality (MOS ≥4.0) with 4 concurrent calls and built-in T.38 fax support. | Use Scenario: Compact adapter connecting legacy telephones to broadband routers via Ethernet or Wi-Fi. IC Role / Device Role / Timing Role: Standalone CODEC with integrated Caller-ID detection and DTMF generation for plug-and-play operation. Use Value: Reduces BOM cost by integrating ringing generator (85 VRMS), metering pulse, and line test functions. |
| Integrated Access Device (IAD) | DSLAM Line Card Module |
Use Scenario: Multi-service CPE aggregating voice, data, and video over DSL or fiber links. IC Role / Device Role / Timing Role: Voice channel manager interfacing with SLIC-E2 and host SoC via PCM and parallel control bus. Use Value: Supports simultaneous VoCoders (4) and adaptive jitter buffer (200 ms) for mixed VoIP/VoATM traffic. | Use Scenario: Central office line card serving up to 4 subscriber lines in DSLAM or WLL base station. IC Role / Device Role / Timing Role: High-reliability analog front-end with GR-909 line testing and G.168 echo cancellation. Use Value: Enables remote fault diagnosis and maintenance without field technician dispatch. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 4-channel VoIP CODEC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| PEF3394HL | Same silicon, higher industrial temperature grade (−40°C to +85°C vs. 0°C to +70°C) | Suitable for uncontrolled environment deployments (e.g., outdoor DSLAM cabinets) | Select when extended thermal range is required without functional change |
| PEB3324EL2 | 2-channel variant with identical feature set and pin/SW compatibility | Lower port density; used where only two POTS lines needed | Choose for cost-sensitive dual-line ATAs or gateways with space constraints |
Compared with PEF3394HL, the PEF3394ELV2.2-G offers lower-cost commercial-temperature operation; compared with PEB3324EL2, it doubles channel count while retaining identical firmware and SLIC interface, enabling scalable platform design.
Availability
PEF3394ELV2.2-G is available at Aetrix Electronics and suitable for residential VoIP gateways, analog telephone adapters, and integrated access devices requiring stable component supply across multi-year production cycles.
Supply support for PEF3394ELV2.2-G includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies AG is a German semiconductor manufacturer specializing in power management, automotive, and communications ICs, with global R&D and manufacturing infrastructure.
The VINETIC family was developed specifically for analog voice access in packet-based networks, targeting CPE and central office equipment with integrated DSP, SLIC interoperability, and carrier-grade voice processing.
FAQ
What is the maximum supported jitter buffer depth for PEF3394ELV2.2-G?
The device supports an adaptive jitter buffer up to 200 ms, configurable per channel via firmware registers. This enables robust voice quality under variable network latency conditions typical in residential broadband environments, and is implemented entirely within the integrated DSP without external memory.
Does PEF3394ELV2.2-G require external RAM for operation?
No. The device includes on-chip code RAM for firmware download and execution, eliminating the need for external SDRAM or Flash. All voice processing tasks-including codec, echo cancellation, and packetization-run from internal memory, reducing system complexity and BOM cost.
Which SLIC devices are compatible with PEF3394ELV2.2-G?
It supports Infineon's full SLIC portfolio: SLIC-P (PEB 4266), SLIC-E/SLIC-E2 (PEB 4265/4265-2), SLIC-S/SLIC-S2 (PEB 4264/4264-2), TSLIC-E/S (PEB 4365/4364), SLIC-LCP (PEB 4262), and SLIC-DC (PEF 4268), using a standardized 8-bit parallel control interface.
Is T.38 fax relay functionality fully hardware-accelerated?
Yes. T.38 fax relay-including V.17, V.21, V.27ter, and V.29 modulation-is implemented in dedicated hardware blocks within the DSP subsystem. No host CPU intervention is required during fax transmission, ensuring deterministic latency and interoperability with legacy fax machines.
PEF3394ELV2.2-G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Function:
- -
- Interface:
- -
- Number of Circuits:
- -
- Voltage - Supply:
- -
- Current - Supply:
- -
- Power (Watts):
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
PEF3394ELV2.2-G FAQ
1.How can I place an order for PEF3394ELV2.2-G through Aetrix?
Please submit a Request for Quotation (RFQ) for PEF3394ELV2.2-G on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for PEF3394ELV2.2-G reliable?
The price and inventory of PEF3394ELV2.2-G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PEF3394ELV2.2-G is usually 5 days.
3.What payment methods are accepted for PEF3394ELV2.2-G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PEF3394ELV2.2-G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PEF3394ELV2.2-G?
PEF3394ELV2.2-G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PEF3394ELV2.2-G order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for PEF3394ELV2.2-G?
For technical support, including PEF3394ELV2.2-G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PEF3394ELV2.2-G requirements.
6.How does Aetrix verify that PEF3394ELV2.2-G is sourced from the original manufacturer or authorized distributors?
All PEF3394ELV2.2-G products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that PEF3394ELV2.2-G meets industry standards.
7.What is the process for return or replacement of PEF3394ELV2.2-G?
All PEF3394ELV2.2-G units undergo pre-shipment inspection (PSI). If there is an issue with PEF3394ELV2.2-G, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The PEF3394ELV2.2-G part is unused and in its original packaging.
Return procedure for PEF3394ELV2.2-G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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