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NXP Semiconductors SAA6752HS/V103,557
- Part No.:
- SAA6752HS/V103,557
- Manufacturer:
- NXP Semiconductors
- Category:
- Encoders, Decoders, Converters
- Package:
- 208-BFQFP
- Datasheet:
-
SAA6752HS/V103,557.pdf
- Description:
- IC AUD/VID ENCODER MPEG 208-SQFP
- Quantity:
- Payment:
- Shipping:
Inventory:4,372
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Product details
Overview
SAA6752HS/V103,557 from NXP Semiconductors (formerly Philips Semiconductors) is a single-chip MPEG-2 video and MPEG-audio/AC-3 audio encoder with integrated multiplexer, supporting Main Profile @ Main Level (MP@ML) encoding, 25 Mbit/s I-frame-only bit rate, 27 MHz system clock, and 3.3 V/2.5 V dual-supply operation. It targets digital video recording systems requiring real-time compression of analog or digital YUV/ITU-R BT.656 video and I2S/EIAJ audio into compliant DVD, DVB, or DVHS streams.
For engineers reviewing the SAA6752HS/V103,557 datasheet, SAA6752HS/V103,557 pinout, SAA6752HS/V103,557 application, or SAA6752HS/V103,557 equivalent, key selection considerations include AC-3 encoding capability (256/384 kbit/s), MPEG-2 Program Stream output for DVD compliance, SDRAM interface support (16/64 Mbit @ 16-bit), parallel DEBI/MPEG stream output, and I²C-bus control architecture.
Technical Context
The SAA6752HS/V103,557 implements a multi-processor architecture with independent video front-end, MIPS® CPU-based encoding engines, and stream scheduler. Video preprocessing includes ITU-R BT.656/BT.601 input handling, 4:2:2 to 4:2:0 conversion, adaptive median filtering, and motion-compensated noise reduction.
Audio processing supports Dolby Digital Consumer Encoding (AC-3) at 256/384 kbit/s - exclusive to the /V103 variant - alongside MPEG-1 Layer 2 encoding and IEC 61937-compliant bypass of LPCM and compressed audio (MPEG-1/2, DD, DTS). Multiplexing generates MPEG-2 Transport Streams (TS), Program Streams (PS), PES, and ES per ISO/IEC 13818-1, with PTS/DTS/PCR timestamping and optional Closed Caption insertion per DVD/ATSC standards.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Video Encoding Standard | MPEG-2 Main Profile @ Main Level (MP@ML) compliant; enables DVD playback compatibility and broadcast-grade interlaced video encoding for 625/525-line systems. |
| Max Video Bit Rate | 25 Mbit/s (I-frame only); supports high-fidelity archival recording at D1 resolution without GOP overhead penalties. |
| AC-3 Audio Encoding | 256 kbit/s or 384 kbit/s; exclusive to SAA6752HS/V103,557 - distinguishes it from /V104 which omits this function. |
| SDRAM Interface | 16 Mbit or 64 Mbit @ 16-bit width; provides external frame buffer memory for motion estimation and GOP-level buffering. |
| System Clock | 27 MHz crystal or external clock; drives internal PLL for video timing synchronization and SDRAM clock generation at 108 MHz. |
| Supply Voltages | 3.3 V (I/O pad ring), 2.5 V (core & analog oscillator); requires separate power domains to meet noise-sensitive analog PLL and digital logic requirements. |
| I²C-Bus Speed | Up to 400 kbit/s; enables real-time parameter updates (e.g., bit rate, GOP structure) during active encoding without interrupting stream output. |
Pinout & Package
Package: SQFP208 - plastic shrink quad flat package, 208 leads, 28 × 28 × 3.4 mm body, high stand-off height (SOT316-1).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| YUV0–YUV7 | Digital video input bus | 8-bit parallel YUV data path compliant with ITU-R BT.656; LSB-to-MSB mapping enables direct connection to video ADCs or decoders. |
| VCLK1 / VCLK2 | Dual video clock inputs | Supports seamless switching between two 27 MHz digital video sources without external mux or clock domain crossing logic. |
| SDATA1/SCLK1/SWS1 SDATA2/SCLK2/SWS2 | Dual I²S audio input ports | Enables selection between two independent digital audio sources (e.g., tuner + microphone) with master/slave clock flexibility. |
| PDO0–PDO7 PDOVAL / PDOSYNC | Parallel MPEG stream output | 8-bit multiplexed transport/program stream output with valid and sync strobes; glueless interface to IEEE 1394 PHYs (e.g., PDI1394L11). |
| SD_DQ0–SD_DQ15 SD_A0–SD_A13 SD_WE / SD_RAS / SD_CAS | SDRAM interface signals | Full 16-bit data bus, 14-bit address bus, and control lines for external 16/64 Mbit SDRAM; supports burst-mode access for video frame buffering. |
| I2CADDRSEL / SDA / SCL | I²C-bus control interface | Configurable slave address (via I2CADDRSEL) and standard open-drain I²C interface for host configuration and runtime parameter tuning. |
Key Features
| Feature | Design Value |
|---|---|
| AC-3 encoding (256/384 kbit/s) | Enables DVD-compliant audio output without external Dolby-certified silicon; eliminates need for discrete AC-3 encoder in optical disc recorders. |
| MPEG-2 Program Stream (PS) output | Direct DVD-standard PS generation simplifies firmware and avoids post-processing; supports seamless authoring and playback on legacy DVD players. |
| Adaptive motion estimation with wide search range | Reduces macroblock artifacts at low bit rates (e.g., 3–6 Mbit/s), extending recording time on fixed-capacity media while preserving subjective quality. |
| Integrated SDRAM controller | Offloads external memory management from host MCU; supports dynamic allocation of frame buffers for B-frames and GOP reordering without host intervention. |
| Boundary Scan Test (IEEE 1149.1) | Enables automated PCB test coverage for high-pin-count SQFP208 package; reduces manufacturing test development time and improves yield traceability. |
Applications
| DVD-Based Optical Disc Recorders | HDD-Based Time-Shift Recording |
|---|---|
Use Scenario: Real-time encoding of broadcast TV signals to DVD+RW/RAM media in consumer set-top recorders. IC Role / Device Role / Timing Role: Primary MPEG-2 video/audio encoder and multiplexer generating DVD-compliant Program Streams with embedded Closed Caption data. Use Value: Enables full DVD playback compatibility via MP@ML video and AC-3 audio encoding, eliminating need for transcoding or secondary audio processors. | Use Scenario: Personalized TV (PTV) systems recording live broadcast content to internal hard disk for pause, rewind, and intelligent scheduling. IC Role / Device Role / Timing Role: Standalone encoder producing MPEG-2 Transport Streams optimized for HDD storage efficiency and fast random-access retrieval. Use Value: Flexible TS/PES output modes allow proprietary metadata embedding and variable-bit-rate recording, improving storage utilization by up to 35% vs. constant-bit-rate alternatives. |
| Digital VCR (DVHS) Recording | Professional Video Surveillance |
Use Scenario: High-fidelity archiving of HD-quality analog video onto magnetic tape using DVHS format specifications. IC Role / Device Role / Timing Role: MPEG-2 TS generator compliant with DVHS logical tape track structure and PCR-based synchronization requirements. Use Value: Eliminates external TS packetizer; built-in PCR/PTS/DTS generation ensures accurate lip-sync and playback stability across tape transport variations. | Use Scenario: Multi-channel DVR systems compressing analog CCTV feeds into network-ready streams for remote monitoring and forensic analysis. IC Role / Device Role / Timing Role: Dedicated encoder per channel performing noise-adapted MPEG-2 compression with motion-compensated filtering for low-light analog sources. Use Value: Adaptive median and motion-compensated filters reduce grain/noise before encoding, improving PSNR by ≥4 dB at 4 Mbit/s compared to fixed-threshold filtering. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar MPEG-2 video/audio encoding applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STi5518 (STMicroelectronics) | Integrated ARM9 host processor; lacks native AC-3 encoding; requires external Dolby license and co-processor for DVD audio compliance. | Targeted at interactive set-top boxes with middleware execution; less suitable for cost-sensitive, single-function DVD recorders. | Select when system requires embedded Linux support and software-defined encoding pipelines over hardware-accelerated fixed-function encoding. |
| SAA7129 (NXP) | Dedicated MPEG-2 video encoder only; no audio compression or multiplexing; requires external audio codec and stream assembler. | Used in hybrid analog/digital broadcast receivers where audio path is handled separately (e.g., via separate AC-3 decoder IC). | Select when audio encoding is already implemented externally or when design mandates strict separation of video/audio processing blocks. |
Compared with STi5518 and SAA7129, the SAA6752HS/V103,557 delivers fully integrated, single-chip MPEG-2 video + AC-3 audio + multiplexing functionality - reducing BOM count by ≥3 ICs and eliminating licensing complexity, making it optimal for cost-constrained, high-volume DVD recorder designs.
Availability
SAA6752HS/V103,557 is available at Aetrix Electronics and suitable for DVD-based optical disc recorders, HDD-based time-shift systems, DVHS digital VCRs, and professional video surveillance equipment requiring stable component supply and long-term lifecycle support.
Supply support for SAA6752HS/V103,557 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
NXP Semiconductors is a global semiconductor company formed from the spin-off of Philips' semiconductor division, specializing in secure connectivity solutions for automotive, industrial, and consumer electronics.
The SAA6752HS product line was designed specifically for cost-sensitive, high-volume digital video recording applications - integrating video/audio encoding, multiplexing, and memory control to replace multi-chip solutions in DVD, DVHS, and HDD-based recorders.
FAQ
Does the SAA6752HS/V103,557 support Dolby Digital (AC-3) audio encoding?
Yes, the SAA6752HS/V103,557 explicitly supports Dolby Digital Consumer Encoding (AC-3) at 256 kbit/s or 384 kbit/s - a feature confirmed in the datasheet as exclusive to the /V103 variant. This capability enables direct DVD-compliant audio output without external Dolby-certified components, distinguishing it from the /V104 version which omits AC-3 encoding entirely. The SAA6752HS/V103,557 integrates all necessary AC-3 encoding logic on-die.
What video standards and resolutions does the SAA6752HS/V103,557 support?
The SAA6752HS/V103,557 supports ITU-R BT.656 and BT.601 digital video inputs at 27 MHz, with format conversion to D1, 2/3D1, 1/2D1, and SIF resolutions. It encodes in MPEG-2 Main Profile @ Main Level (MP@ML) for both 625-line (PAL) and 525-line (NTSC) interlaced systems. The SAA6752HS/V103,557 also performs 4:2:2 to 4:2:0 chroma subsampling and includes adaptive noise filtering optimized for analog VCR sources per IEC 756.
Is external SDRAM required for the SAA6752HS/V103,557 to operate?
Yes, the SAA6752HS/V103,557 requires an external SDRAM for operation - either 16 Mbit or 64 Mbit configured at 16-bit width - to store video frames, motion vectors, and GOP-level metadata. The device integrates a full SDRAM controller with dedicated address, data, and control pins (SD_A0–SD_A13, SD_DQ0–SD_DQ15, SD_WE, SD_RAS, SD_CAS). Without SDRAM, the SAA6752HS/V103,557 cannot perform motion estimation or encode IPB-frame sequences.
What output stream formats does the SAA6752HS/V103,557 generate?
The SAA6752HS/V103,557 generates MPEG-2 Transport Streams (TS), Program Streams (PS), Packetized Elementary Streams (PES), and Elementary Streams (ES) per ISO/IEC 13818-1. It supports DVD-compliant PS output, DVB-compliant TS, and DVHS-specific TS with PCR/PTS/DTS timestamping. The SAA6752HS/V103,557 also allows optional user data insertion in GOP/picture headers and automatic Closed Caption embedding per DVD or ATSC standards.
How is the SAA6752HS/V103,557 controlled and configured?
The SAA6752HS/V103,557 is exclusively controlled via its I²C-bus interface (SDA/SCL pins), operating up to 400 kbit/s. Configuration includes setting video bit rate mode (CBR/VBR), GOP structure, audio encoding type (AC-3/MPEG-1 L2), stream format (TS/PS), and filter parameters. The I2CADDRSEL pin allows address selection, and the H_IRF pin provides host interrupt signaling. All real-time adjustments - including bit rate changes during encoding - are performed through I²C register writes.
SAA6752HS/V103,557 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- -
- Package/Case:
- 208-BFQFP
- Packaging:
- Tray
- Product Status:
- Obsolete
- Type:
- Audio/Video Encoder
- Applications:
- DVD
- Voltage - Supply, Analog:
- 2.3V ~ 2.7V
- Voltage - Supply, Digital:
- 3V ~ 3.6V
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 208-SQFP (28x28)
SAA6752HS/V103,557 FAQ
1.How can I place an order for SAA6752HS/V103,557 through Aetrix?
Please submit a Request for Quotation (RFQ) for SAA6752HS/V103,557 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 SAA6752HS/V103,557 reliable?
The price and inventory of SAA6752HS/V103,557 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SAA6752HS/V103,557 is usually 5 days.
3.What payment methods are accepted for SAA6752HS/V103,557?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SAA6752HS/V103,557 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SAA6752HS/V103,557?
SAA6752HS/V103,557 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SAA6752HS/V103,557 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 SAA6752HS/V103,557?
For technical support, including SAA6752HS/V103,557 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SAA6752HS/V103,557 requirements.
6.How does Aetrix verify that SAA6752HS/V103,557 is sourced from the original manufacturer or authorized distributors?
All SAA6752HS/V103,557 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 SAA6752HS/V103,557 meets industry standards.
7.What is the process for return or replacement of SAA6752HS/V103,557?
All SAA6752HS/V103,557 units undergo pre-shipment inspection (PSI). If there is an issue with SAA6752HS/V103,557, 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 SAA6752HS/V103,557 part is unused and in its original packaging.
Return procedure for SAA6752HS/V103,557:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
SAA6752HS/V103,557 Tags
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MCP2120T-I/SL
Microchip Technology
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LICAL-ENC-MS001
TE Connectivity Linx
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TW9990AT-NA1-GR
Renesas Electronics Corporation
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TVP5151IPBSR
Texas Instruments
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TVP5150AM1IPBSR
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LICAL-DEC-MS001-T
TE Connectivity Linx
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ADV7391BCPZ
Analog Devices Inc.
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ADV7393BCPZ-REEL
Analog Devices Inc.
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ADV7393BCPZ
Analog Devices Inc.
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