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Renesas D2-71083-LR
- Part No.:
- D2-71083-LR
- Manufacturer:
- Renesas
- Category:
- Audio Special Purpose
- Package:
- -
- Datasheet:
-
D2-71083-LR.pdf
- Description:
- IC DGTL AMP INTELLIGENT 128LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,770
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Product details
Overview
D2-71083-LR from Renesas Electronics is a System-on-Chip (SoC) digital audio processor and Class-D amplifier controller featuring 8-channel I2S digital inputs, 2 S/PDIF digital inputs, 8-channel PWM outputs, embedded 8-channel sample rate conversion, and D2 Audio DSP sound enhancement algorithms. It operates with a 147.456 MHz DSP clock, 24k X/Y memory, and 32k P memory, targeting multi-channel consumer audio systems requiring integrated decoding-free processing.
For engineers reviewing the D2-71083-LR datasheet, D2-71083-LR pinout, D2-71083-LR application, or D2-71083-LR equivalent, this device serves as a pin-compatible upgrade path from D2-3 family SoCs and supports real-time amplifier control for BTL, half-bridge, and bridged topologies in home theater and powered speaker designs.
Technical Context
The D2-71083-LR integrates a configurable DSP core with dedicated hardware blocks for 8-channel audio processing, including equalizers, filters, mixers, delay, crossover, and loudness contouring. Its signal flow supports fully routable audio paths between 8 I2S inputs, 2 S/PDIF inputs, and 12 PWM output channels - though only 8 are enabled in this variant.
It embeds an 8-channel sample rate converter supporting 32–192 kHz operation, dual I2C interfaces (SCL0/SDA0 and SCL1/SDA1), SPI master/slave, and HD Audio interface. Amplifier protection logic monitors overcurrent, overtemperature, and undervoltage conditions with automatic recovery, while PWM drive outputs support discrete or integrated power stages up to 500W.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| DSP Clock Speed | 147.456 MHz - determines maximum real-time audio processing throughput for 8-channel routing, EQ, and virtualization |
| Memory Capacity | 24k words X/Y RAM + 32k words P memory - sufficient for D2 Audio DSP algorithms without external memory |
| Audio Inputs | 8-channel I2S + 2× S/PDIF - enables flexible source aggregation from HDMI receivers, Bluetooth modules, or streaming SoCs |
| PWM Outputs | 8-channel PWM - drives Class-D power stages in 5.1/7.1/9.1 configurations with BTL/half-bridge topology support |
| Sample Rate Support | 32–192 kHz - covers CD, DVD-Audio, Blu-ray, and high-res streaming formats without resampling artifacts |
| Operating Temperature | −10°C to +85°C - validated for enclosed AV receiver and soundbar thermal environments |
| Supply Voltages | CVDD = 1.8 V (core), RVDD/PWMVDD = 3.3 V (I/O & PWM drivers) - separates noise-sensitive analog/digital domains |
Pinout & Package
Package: 128-lead LQFP (14 mm × 14 mm, 0.4 mm pitch), RoHS-compliant, moisture sensitivity level (MSL) 3 per JEDEC J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PWM0–PWM17 | PWM Output Driver | 12 dedicated PWM output pins; D2-71083-LR configures first 8 for audio channel driving with programmable dead-time and sync |
| SCK0–SCK3, STD0–STD3, SC00–SC32, SRD0–SRD3 | Serial Audio Interface I/O | Supports up to 4 independent I2S/TDM ports for multi-source input routing and output expansion |
| SCL0/SDA0, SCL1/SDA1 | I²C Control Interface | Dual I²C buses enable concurrent communication with EEPROM, temperature sensors, and amplifier ICs |
| MISO/MOSI/SCK/nSS | SPI Interface | Configurable as master or slave for firmware updates, configuration loading, or host MCU coordination |
| PROTECT0–PROTECT9 | Amplifier Fault Monitoring | Dedicated inputs for overcurrent, overtemperature, and DC offset detection from external power stages |
Key Features
| Feature | Design Value |
|---|---|
| Embedded 8-Channel SRC | Eliminates need for external sample rate converters when mixing sources at different rates (e.g., 44.1 kHz Bluetooth + 48 kHz HDMI) |
| D2 Audio DSP Algorithms | On-chip sound enhancement, virtualization, excursion control, and loudness contouring - no runtime license or external DSP required |
| Real-Time Amplifier Protection | Hardware-monitored fault detection (overcurrent, overtemp, undervoltage) with automatic recovery - reduces system-level watchdog complexity |
| Flexible Audio Routing | Fully configurable signal paths between all inputs and outputs via firmware - enables custom channel mapping without hardware change |
| Multi-Topology PWM Drive | Supports BTL, half-bridge, and bridged configurations - allows single SoC to drive both passive speakers and active subwoofers |
Applications
| Audio Video Receiver (AVR) | Multi-channel Surround Soundbar |
|---|---|
Use Scenario: Integrated audio processing and amplification in compact 5.1/7.1 AVR chassis with HDMI ARC and Bluetooth inputs. IC Role / Device Role / Timing Role: Central SoC handling all digital audio decode (excluding licensed codecs), channel mixing, EQ, and direct PWM drive to discrete Class-D power stages. Use Value: Reduces BOM count by eliminating separate DSP, SRC, and amplifier controller ICs - lowers PCB area and interconnect noise. |
Use Scenario: Slim-profile soundbar with upward-firing drivers and wireless subwoofer link. IC Role / Device Role / Timing Role: Audio processor managing beamforming delay alignment, virtual surround generation, and synchronized PWM output to 8+ channels. Use Value: Enables precise time-of-flight compensation across drivers using on-chip delay blocks - improves spatial coherence without external timing ICs. |
| Home Theater in a Box (HTiB) | Bluetooth/WiFi Voice-Enabled Speaker |
Use Scenario: All-in-one HTiB system with optical, coaxial, and USB audio inputs feeding 5.1 speaker set. IC Role / Device Role / Timing Role: Single-chip audio hub performing input switching, volume leveling, bass management, and PWM output to satellite/subwoofer amps. Use Value: Eliminates need for external analog switches and level shifters - simplifies layout and improves SNR through full-digital signal chain. |
Use Scenario: Smart speaker with far-field mic array, voice assistant processing, and 360° acoustic output. IC Role / Device Role / Timing Role: Audio subsystem SoC receiving processed PCM from application processor, applying D2 virtualization, and driving 4–6 Class-D channels. Use Value: Offloads audio post-processing from main CPU - preserves compute resources for speech recognition and cloud connectivity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar digital audio SoC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| D2-71583-LR | Includes Dolby Digital/AC3 and DTS Digital Surround decoders; same 147.456 MHz clock and memory map | Required where licensed broadcast or disc-based content decoding is mandatory (e.g., Blu-ray player integration) | Select D2-71583-LR if Dolby/DTS decode is needed; otherwise D2-71083-LR avoids licensing overhead and cost |
| D2-74083-LR | Higher 159.744 MHz DSP clock and expanded 40k X/Y + 56k P memory - enables more complex algorithm chains | Suitable for premium-tier systems needing additional real-time effects (e.g., adaptive room correction, multi-zone processing) | Choose D2-74083-LR when higher processing headroom is required; D2-71083-LR suffices for standard virtualization and EQ |
Compared with D2-71583-LR and D2-74083-LR, the D2-71083-LR delivers identical I/O structure and routing capability but omits licensed decoders and uses lower memory/clock specs - making it optimal for cost-sensitive, decoder-free audio platforms where D2 Audio DSP features are the primary value driver.
Availability
D2-71083-LR is available at Aetrix Electronics and suitable for Audio Video Receivers, multi-channel soundbars, and Home Theater in a Box systems requiring stable component supply, long-term lifecycle support, and RoHS-compliant manufacturing.
Supply support for D2-71083-LR 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
Renesas Electronics is a global semiconductor leader delivering microcontrollers, SoCs, and analog power solutions for automotive, industrial, and consumer markets.
The D2-6 family - including D2-71083-LR - was designed specifically for integrated digital audio processing and Class-D amplifier control in space-constrained, cost-sensitive consumer audio systems.
FAQ
What audio decoding capabilities does the D2-71083-LR support?
The D2-71083-LR does not include licensed audio decoders such as Dolby Digital, DTS, or AAC. It provides full D2 Audio DSP sound enhancement, virtualization, and processing algorithms - but external decoding must be performed upstream. This makes D2-71083-LR ideal for systems where decoded PCM is already available from a media processor or streaming module.
Does the D2-71083-LR support S/PDIF input and output?
Yes, the D2-71083-LR supports two S/PDIF digital inputs (SPDIFRX0 and SPDIFRX1) and one S/PDIF digital output (SPDIFTX). These are implemented as dedicated hardware blocks with jitter-tolerant receivers and low-jitter transmitters, enabling robust connection to legacy AV equipment without external transceivers.
How many PWM output channels does the D2-71083-LR enable?
The D2-71083-LR enables 8 PWM output channels (PWM0–PWM7) out of its 12 total PWM-capable pins. The remaining 4 channels (PWM8–PWM11) are disabled in this variant's firmware configuration - matching its 8-channel audio processing capability and target use cases like 5.1 or 7.1 systems.
Is the D2-71083-LR pin-compatible with other D2-6 family devices?
Yes, the D2-71083-LR shares identical 128-lead LQFP packaging and pinout with all D2-6 family members including D2-74083-LR and D2-71583-LR. This allows drop-in replacement during design iteration or cost optimization - provided firmware and memory requirements align with the selected variant's specifications.
What is the role of the PROTECTx pins on the D2-71083-LR?
The PROTECT0–PROTECT9 pins on the D2-71083-LR are dedicated fault-monitoring inputs that interface directly with external Class-D power stage protection circuits. They detect overcurrent, overtemperature, and DC offset conditions and trigger hardware-level shutdown or recovery sequences - reducing reliance on software polling and improving system safety response time.
D2-71083-LR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Series:
- D2
- Package/Case:
- -
- Packaging:
- Tray
- Product Status:
- Obsolete
- Function:
- -
- Applications:
- -
- Number of Channels:
- -
- Interface:
- -
- Voltage - Supply:
- -
- Operating Temperature:
- -
- Specifications:
- -
- Mounting Type:
- Surface Mount
- Grade:
- -
D2-71083-LR FAQ
1.How can I place an order for D2-71083-LR through Aetrix?
Please submit a Request for Quotation (RFQ) for D2-71083-LR 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 D2-71083-LR reliable?
The price and inventory of D2-71083-LR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for D2-71083-LR is usually 5 days.
3.What payment methods are accepted for D2-71083-LR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for D2-71083-LR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for D2-71083-LR?
D2-71083-LR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your D2-71083-LR 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 D2-71083-LR?
For technical support, including D2-71083-LR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your D2-71083-LR requirements.
6.How does Aetrix verify that D2-71083-LR is sourced from the original manufacturer or authorized distributors?
All D2-71083-LR 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 D2-71083-LR meets industry standards.
7.What is the process for return or replacement of D2-71083-LR?
All D2-71083-LR units undergo pre-shipment inspection (PSI). If there is an issue with D2-71083-LR, 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 D2-71083-LR part is unused and in its original packaging.
Return procedure for D2-71083-LR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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