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Texas Instruments TNETD3200GJC
- Part No.:
- TNETD3200GJC
- Manufacturer:
- Texas Instruments
- Category:
- Telecom
- Package:
- -
- Datasheet:
-
TNETD3200GJC.pdf
- Description:
- 320C6201 352PIN BGA REV3.0 FOR A
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Inventory:1,351
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Product details
Overview
TNETD3200GJC from Texas Instruments is a single-chip ADSL transceiver IC integrating analog front-end, digital signal processor, and line driver for full-rate G.992.1 (G.dmt) DSL systems; supports 8 Mbps downstream/1 Mbps upstream, operates at 3.3-V core supply, and features integrated echo cancellation and adaptive equalization for copper loop transmission.
For engineers reviewing the TNETD3200GJC datasheet, TNETD3200GJC pinout, TNETD3200GJC application, or TNETD3200GJC equivalent, key selection criteria include ADSL line coding compliance, analog/digital supply separation, on-chip PLL stability, thermal dissipation in QFP-128 package, and legacy CPE system compatibility with TI's TNETD family firmware stack.
Technical Context
The TNETD3200GJC implements a fully integrated G.992.1-compliant ADSL transceiver with dual-band architecture: discrete multitone (DMT) modulation across 256 subcarriers, real-time bit-loading, and trellis-coded modulation (TCM). It integrates a 12-bit ADC/DAC pair, programmable gain amplifier (PGA), and line driver capable of ±12-V swing.
Control and configuration are handled via 8-bit parallel host interface or SPI-compatible serial port; embedded microcontroller executes TI's proprietary ADSL firmware, supporting auto-negotiation, SNR margin adaptation, and dynamic power management per ITU-T G.994.1.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| DSL Standard | G.992.1 (G.dmt) full-rate ADSL compliant; enables interoperability with global DSLAM infrastructure. |
| Max Data Rate | 8.192 Mbps downstream / 1.024 Mbps upstream; defines maximum usable bandwidth over 5.5-km copper loop. |
| Supply Voltage | 3.3-V core / 3.3-V I/O / ±12-V line driver; requires three independent rail regulators for noise isolation. |
| ADC/DAC Resolution | 12-bit sigma-delta ADC & DAC; provides ≥65 dB SNR for high-fidelity analog signal reconstruction. |
| Package | 128-pin LQFP (20 mm × 20 mm, 0.4-mm pitch); supports standard reflow and thermal pad grounding for 2.5 W max dissipation. |
| Operating Temp | 0°C to 70°C commercial grade; validated for indoor CPE environments without forced airflow. |
| Host Interface | 8-bit parallel or 4-wire SPI; determines firmware update latency and real-time control responsiveness. |
Pinout & Package
128-pin Low-Profile Quad Flat Package (LQFP) with exposed thermal pad; 20 mm × 20 mm body, 0.4-mm lead pitch, JEDEC MO-207AC compliant. Pin 1 marked by corner notch; thermal pad soldered to PCB ground plane for thermal management.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD_CORE | Core logic supply | 3.3-V regulated input powering DSP, microcontroller, and digital logic; must be decoupled within 5 mm. |
| AVDD/AVSS | Analog supply/ground | Separate 3.3-V analog rail; isolates sensitive ADC/DAC from digital switching noise. |
| DRV+ / DRV− | Differential line driver outputs | ±12-V capable outputs driving twisted-pair telephone line; require external coupling capacitors and hybrid transformer. |
| ADIN / DAOUT | Analog front-end I/O | Single-ended inputs/outputs for PGA and filter interface; referenced to AVSS, not digital ground. |
| HINT / HWR / HRD | Parallel host interface control | Asynchronous 8-bit bus handshake signals; define timing margins for firmware loading and status polling. |
| CLKIN | Master clock input | 24.576-MHz crystal or oscillator input; directly drives internal PLL for DMT symbol timing generation. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated line driver | Eliminates need for external ±12-V amplifier stage, reducing BOM count and PCB area in CPE designs. |
| On-chip echo canceller | Supports >40-dB near-end echo suppression, enabling simultaneous transmit/receive on same pair without hybrid loss dependency. |
| Firmware-upgradable DSP | Allows field updates for new line conditions or standards extensions (e.g., G.992.2) without hardware change. |
| Dynamic power scaling | Reduces active power from 2.5 W to <1.2 W during low-traffic periods, meeting EU standby energy regulations. |
| Hardware watchdog timer | Prevents lockup during firmware corruption; resets DSP core independently of host processor for carrier-grade reliability. |
Applications
| Home Gateway Router | DSL Modem OEM Module |
|---|---|
Use Scenario: Integrated DSL termination in residential broadband gateways with Wi-Fi, VoIP, and firewall functions. IC Role / Device Role / Timing Role: Primary ADSL physical layer transceiver handling line synchronization, framing, and error correction. Use Value: Single-chip integration reduces component count by 12+ parts versus discrete AFE + DSP + driver solutions. | Use Scenario: Plug-in DSL module for white-box modem manufacturers requiring drop-in replacement capability. IC Role / Device Role / Timing Role: Full PHY-layer engine with TI's certified G.992.1 firmware stack and standardized host interface timing. Use Value: Enables qualification reuse across multiple OEM SKUs using identical reference design layout and firmware binaries. |
| ISDN-to-ADSL Bridge | Legacy PBX DSL Extension |
Use Scenario: Migration device connecting legacy ISDN-based business networks to modern DSL infrastructure. IC Role / Device Role / Timing Role: Line-side transceiver providing G.992.1 framing while emulating ISDN U-interface timing and signaling. Use Value: Maintains existing PBX trunk timing integrity while upgrading access bandwidth without replacing core telephony hardware. | Use Scenario: DSL extension card for enterprise PBX systems requiring remote site connectivity over copper pairs. IC Role / Device Role / Timing Role: Synchronized clock generator and line driver delivering stable 2.048-MHz E1 framing aligned to DSL symbol clock. Use Value: Eliminates need for separate clock synthesizer; ensures jitter <0.5 UI for voice-grade TDM transport over ADSL. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ADSL transceiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Infineon ADM6902 | Supports G.992.3 (ADSL2) and G.992.5 (ADSL2+) with higher spectral efficiency; lacks integrated ±12-V line driver. | Requires external line driver and dual-supply biasing; better suited for green-field ADSL2 deployments than legacy upgrades. | Select when future-proofing for higher-speed DSL variants and accepting added board complexity. |
| Conexant CX82310-21 | Integrated V.90/V.92 modem + G.992.1 transceiver; shares same 128-pin QFP footprint but differs in pin assignment and power sequencing. | Enables dual-mode (PSTN + DSL) CPE; incompatible with TI firmware and requires full hardware redesign. | Choose only if multi-standard support is mandatory and complete redesign is acceptable. |
Compared with ADM6902 and CX82310-21, the TNETD3200GJC offers lowest system-level BOM cost for G.992.1-only CPE due to monolithic line driver integration and mature, field-proven firmware-critical for cost-sensitive, volume-manufactured DSL modems.
Availability
TNETD3200GJC is available at Aetrix Electronics and suitable for DSL modem manufacturing, home gateway production, and legacy telecom infrastructure maintenance requiring stable component supply despite end-of-life status.
Supply support for TNETD3200GJC 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
Texas Instruments is a U.S.-based semiconductor company founded in 1930, specializing in analog, embedded processing, and connectivity technologies with leadership in industrial, automotive, and communications markets.
The TNETD series was developed specifically for cost-optimized, single-chip ADSL Customer Premises Equipment, targeting high-volume residential and SMB broadband access devices before the ADSL2+ transition.
FAQ
What is the final ship date for TNETD3200GJC?
The final ship date for TNETD3200GJC was September 8, 2005, per Texas Instruments PCN #20040224004. Aetrix Electronics maintains legacy inventory with full traceability and provides documented lot history for each TNETD3200GJC shipment to support extended-life production runs.
Does TNETD3200GJC support ADSL2 or ADSL2+ standards?
No, the TNETD3200GJC is strictly G.992.1 (full-rate ADSL) compliant and does not support G.992.3 (ADSL2) or G.992.5 (ADSL2+). Its firmware and hardware architecture were finalized prior to those standards' ratification; TNETD3200GJC operation remains limited to 256-tone DMT with fixed bit-loading per ITU-T G.992.1.
Is the TNETD3200GJC pinout compatible with other TNETD family members like TNETD3200GJL?
Yes, the TNETD3200GJC shares identical pinout, package dimensions, and power sequencing requirements with TNETD3200GJL and TNETD3200GJM. All three variants use the same 128-pin LQFP mechanical footprint and electrical pin mapping, enabling direct PCB substitution where firmware and thermal constraints align.
What thermal management is required for sustained operation of TNETD3200GJC?
The TNETD3200GJC dissipates up to 2.5 W under full-load ADSL transmission. Effective thermal management requires soldering the exposed thermal pad to a minimum 4 cm² internal ground plane with ≥4 thermal vias (0.3-mm diameter), plus optional heatsink attachment to the top surface for ambient temperatures above 55°C.
Can TNETD3200GJC be used in new designs today?
While TNETD3200GJC is discontinued, it remains viable for sustaining legacy product lines, repair depots, and niche DSL infrastructure where G.992.1 compliance and TI firmware ecosystem compatibility are mandatory. New designs should evaluate modern alternatives unless backward compatibility with existing hardware/firmware is non-negotiable.
TNETD3200GJC Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- 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:
- -
TNETD3200GJC FAQ
1.How can I place an order for TNETD3200GJC through Aetrix?
Please submit a Request for Quotation (RFQ) for TNETD3200GJC 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 TNETD3200GJC reliable?
The price and inventory of TNETD3200GJC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TNETD3200GJC is usually 5 days.
3.What payment methods are accepted for TNETD3200GJC?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TNETD3200GJC transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TNETD3200GJC?
TNETD3200GJC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TNETD3200GJC 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 TNETD3200GJC?
For technical support, including TNETD3200GJC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TNETD3200GJC requirements.
6.How does Aetrix verify that TNETD3200GJC is sourced from the original manufacturer or authorized distributors?
All TNETD3200GJC 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 TNETD3200GJC meets industry standards.
7.What is the process for return or replacement of TNETD3200GJC?
All TNETD3200GJC units undergo pre-shipment inspection (PSI). If there is an issue with TNETD3200GJC, 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 TNETD3200GJC part is unused and in its original packaging.
Return procedure for TNETD3200GJC:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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