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Analog Devices Inc. ADV7179BCPZ-REEL
- Part No.:
- ADV7179BCPZ-REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Encoders, Decoders, Converters
- Package:
- 40-VFQFN Exposed Pad, CSP
- Datasheet:
-
ADV7179BCPZ-REEL.pdf
- Description:
- IC ENCODER VID NTSC/PAL 40LFCSP
- Quantity:
- Payment:
- Shipping:
Inventory:3,012
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Product details
Overview
ADV7179BCPZ-REEL from Analog Devices is a 10-bit multistandard video encoder IC that converts CCIR-656 4:2:2 YCrCb digital video into PAL/NTSC composite (CVBS), S-video (Y/C), or YPbPr analog outputs. It features integrated 10-bit DACs, SSAF™ super sub-alias filtering, CGMS-A and WSS support, and operates from a single 27 MHz clock. It targets portable video systems requiring studio-grade analog output with low-power operation.
For engineers reviewing the ADV7179BCPZ-REEL datasheet, ADV7179BCPZ-REEL pinout, ADV7179BCPZ-REEL application, or ADV7179BCPZ-REEL equivalent, key selection considerations include its 3.3 V/2.8 V dual-supply capability, programmable luma/chroma filters, real-time subcarrier locking, and AEC-Q100 qualification for automotive infotainment and mobile imaging interfaces.
Technical Context
The ADV7179BCPZ-REEL implements a fully integrated pixel-to-analog video path: 8-bit multiplexed YCrCb input at 27 MHz feeds three independent 10-bit DACs, each programmable for on/off control and current scaling via RSET. Its internal 32-bit DDS generates precise PAL/NTSC color subcarriers with programmable phase and frequency.
It supports both main (timing generator) and subordinate (sync-locked) modes via HSYNC/FIELD/VSYNC pins, enables real-time subcarrier adjustment using external RTC signals, and integrates full VBI handling-including teletext insertion (PAL-WST), closed captioning, and CGMS/WSS data embedding-without external logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit per DAC - delivers 1024-level grayscale and chroma fidelity for broadcast-compliant analog video output. |
| Video Standards | PAL B/D/G/H/I/M/N, NTSC M/N - supports global TV compatibility without hardware change; excludes Macrovision (ADV7174 only). |
| Output Types | CVBS, Y/C (S-video), YPbPr - selectable simultaneously or individually; each DAC configurable for dedicated signal routing. |
| SNR | 80 dB - ensures high-fidelity analog reconstruction with minimal noise floor in consumer and automotive displays. |
| Power Modes | Normal (120 mA), Low Power (62 mA), Sleep (0.1 µA) - enables dynamic power scaling for battery-powered portable devices. |
| Supply Voltage | 2.8 V (–20°C to +85°C) or 3.3 V (–40°C to +85°C) - dual-voltage operation simplifies integration into mixed-rail embedded systems. |
| Package | 40-lead 6 mm × 6 mm LFCSP - compact footprint with exposed EPAD for thermal management and EMI reduction. |
Pinout & Package
ADV7179BCPZ-REEL uses a 40-lead, 6 mm × 6 mm LFCSP package with exposed thermal pad (EPAD) soldered to PCB ground. The package supports fine-pitch layout and efficient heat dissipation in space-constrained portable designs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P7–P0 | 8-bit multiplexed YCrCb input | Accepts CCIR-656 4:2:2 pixel data (Cb0/Y0/Cr0/Y1 sequence); timing-critical interface requiring controlled trace length. |
| CLOCK | Master pixel clock input | 27 MHz TTL clock for standard operation; also accepts 24.5454 MHz (NTSC square pixel) or 29.5 MHz (PAL square pixel). |
| HSYNC / FIELD/VSYNC / BLANK | Configurable sync/control I/O | Supports main/subordinate timing modes; bidirectional pins enable flexible system-level synchronization architecture. |
| DAC A / DAC B / DAC C | Analog video outputs | Three independent 10-bit DACs; each drives CVBS, Y/C, or YPbPr with programmable current (5–37 mA) and on/off control. |
| SCLOCK / SDATA / ALSB | I²C-compatible MPU interface | 2-wire serial control (up to 400 kHz); ALSB selects one of two device addresses for multi-device bus configuration. |
| RSET | DAC full-scale current reference | 150 Ω to GND sets 35 mA DAC output; enables precise amplitude calibration across all three channels. |
| VREF | Reference voltage I/O | Accepts external 1.235 V reference or outputs internal reference; critical for DAC accuracy and matching. |
| COMP | Power supply compensation | 0.1 µF capacitor to VAA stabilizes DAC performance; value can be reduced to 2.2 nF in low-power mode. |
| TTX / TTXREQ | Teletext data port | Direct insertion of PAL-WST teletext data during vertical blanking interval; no external FIFO required. |
| RESET | Hardware initialization | Active-low reset forces default NTSC, Timing Subordinate Mode 0, 8-bit operation, and enables all DACs. |
Key Features
| Feature | Design Value |
|---|---|
| SSAF™ super sub-alias filter | Extended luma frequency response with sharp stop-band attenuation (−61 dB to −68 dB) preserves horizontal resolution up to 8 MHz. |
| Programmable luma/chroma filters | 7 luma (NTSC/PAL low-pass, notch, SSAF, CIF, QCIF) and 6 chroma (0.65–2.0 MHz low-pass, CIF, QCIF) responses for optimized signal integrity per standard. |
| Real-time subcarrier locking | Adjusts subcarrier frequency line-by-line using external RTC signal (e.g., from ADV7183A decoder), eliminating timing drift in cascaded video chains. |
| Integrated VBI processing | On-chip generation and insertion of CGMS-A, WSS, closed captioning, and PAL-WST teletext without external microcontroller intervention. |
| Advanced power management | Three-tier power states (Normal/Low Power/Sleep) with individual DAC shutdown reduce total system power by >50% in standby. |
Applications
| Automotive Rear-View Camera Systems | Portable Media Players |
|---|---|
Use Scenario: Encoding digital video from CMOS image sensor to analog CVBS output for legacy dashboard displays. IC Role / Device Role / Timing Role: Main timing generator; accepts 27 MHz pixel clock and generates synchronized composite video with embedded WSS for 16:9 aspect ratio signaling. Use Value: Eliminates need for external sync generators or level shifters; AEC-Q100 qualification ensures reliability in automotive temperature and vibration environments. |
Use Scenario: Converting decoded MPEG-2 video stream to analog S-video for external TV connection in handheld devices. IC Role / Device Role / Timing Role: Subordinate timing device locked to host SoC's HSYNC/BLANK signals; outputs simultaneous Y/C and CVBS with programmable luma delay. Use Value: Reduces BOM count by integrating three DACs, filters, and VBI encoders; low-power sleep mode extends battery life during display-off periods. |
| Digital Still Cameras | Industrial Video Recorders |
Use Scenario: Providing analog video preview output during image capture, supporting NTSC/PAL auto-detection. IC Role / Device Role / Timing Role: Configurable as main or subordinate; uses SCRESET/RTC pin to lock subcarrier to external reference for stable burst phase. Use Value: Enables consistent color reproduction across varying lighting conditions; SSAF filtering prevents aliasing artifacts on high-frequency textures. |
Use Scenario: Embedding CGMS-A copy protection metadata into analog video streams for compliance with content licensing requirements. IC Role / Device Role / Timing Role: Dedicated CGMS/WSS generator; writes standardized bit patterns into active video lines per ITU-R BT.1335. Use Value: Meets broadcast distribution mandates without firmware overhead; programmable register access allows runtime policy updates. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar video encoder applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADV7174BCPZ-REEL | Includes Macrovision 7.1 anticopy circuitry; otherwise identical pinout, registers, and electrical specs. | Required where commercial home-use copy protection is mandated; not suitable for automotive or industrial use due to license restrictions. | Select ADV7174BCPZ-REEL only if Macrovision licensing and non-automotive deployment are confirmed. |
| MAX9526ETM+ | Single 3.3 V supply only; 8-bit DACs; no SSAF or programmable luma/chroma filters; supports NTSC/PAL but lacks WSS/CGMS. | Targeted at cost-sensitive consumer electronics with basic analog output needs; no VBI data insertion capability. | Choose MAX9526ETM+ when advanced filtering, teletext, or copy management are unnecessary and BOM cost is primary constraint. |
Compared with ADV7179BCPZ-REEL, the ADV7174BCPZ-REEL adds licensed Macrovision but shares identical timing, filtering, and power architecture, while the MAX9526ETM+ sacrifices resolution, feature depth, and automotive qualification for lower unit cost and simpler integration.
Availability
ADV7179BCPZ-REEL is available at Aetrix Electronics and suitable for automotive rear-view camera systems, portable media players, and digital still cameras requiring stable component supply, long-term lifecycle assurance, and AEC-Q100-compliant performance.
Supply support for ADV7179BCPZ-REEL 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
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and consumer markets with precision signal chain solutions.
The ADV7179BCPZ-REEL belongs to Analog Devices' video encoder product line, designed specifically for portable and automotive video systems needing multistandard analog output, low-power operation, and integrated VBI data handling.
FAQ
What video standards does the ADV7179BCPZ-REEL support?
The ADV7179BCPZ-REEL supports PAL B/D/G/H/I/M/N and NTSC M/N standards with full compliance to ITU-R BT.601/BT.656. It does not include Macrovision (reserved for ADV7174BCPZ-REEL). All supported standards operate with the same 27 MHz clock or optional square-pixel clocks (24.5454 MHz for NTSC, 29.5 MHz for PAL), and the ADV7179BCPZ-REEL handles pedestal, burst, and sync generation internally per standard.
Does the ADV7179BCPZ-REEL support simultaneous composite and S-video output?
Yes, the ADV7179BCPZ-REEL supports programmable simultaneous composite (CVBS) and S-video (Y/C) output using its three independent 10-bit DACs. DAC A can drive CVBS, DAC B drives Y, and DAC C drives C, with individual on/off control and current scaling. This configuration requires no external components and is enabled via register programming of the output mode control bits in Mode Register 0.
How does the ADV7179BCPZ-REEL handle vertical blanking interval (VBI) data?
The ADV7179BCPZ-REEL provides dedicated hardware support for VBI data insertion, including CGMS-A, WSS, closed captioning, and PAL-WST teletext. It uses the TTX/TTXREQ pins for direct teletext data streaming and embeds other metadata into active video lines per ITU-R BT.1335. No external microcontroller or FIFO is needed, as the ADV7179BCPZ-REEL manages timing, formatting, and placement automatically based on register settings.
What is the role of the SCRESET/RTC pin on the ADV7179BCPZ-REEL?
The SCRESET/RTC pin on the ADV7179BCPZ-REEL serves dual functions: configured as SCRESET, it performs subcarrier reset to Field 0 on low-to-high transition; configured as RTC input, it enables real-time subcarrier locking to an external video source (e.g., ADV7183A decoder), allowing line-by-line subcarrier frequency compensation. Configuration is controlled by MR22 and MR21 bits in Mode Register 2, and the ADV7179BCPZ-REEL automatically adjusts internal DDS parameters accordingly.
Is the ADV7179BCPZ-REEL qualified for automotive applications?
Yes, the ADV7179BCPZ-REEL is AEC-Q100 qualified for automotive applications, rated for operation from −40°C to +85°C at 3.3 V. Its LFCSP package with exposed EPAD, robust ESD protection, and integrated power management make it suitable for infotainment, rear-view camera, and ADAS video interface modules where reliability under thermal cycling, vibration, and electromagnetic noise is critical.
ADV7179BCPZ-REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 40-VFQFN Exposed Pad, CSP
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Video Encoder
- Applications:
- Digital Cameras, Mobile Phones, Portable Video
- Voltage - Supply, Analog:
- 2.8V, 3.3V
- Voltage - Supply, Digital:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 40-LFCSP-VQ (6x6)
ADV7179BCPZ-REEL FAQ
1.How can I place an order for ADV7179BCPZ-REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for ADV7179BCPZ-REEL 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 ADV7179BCPZ-REEL reliable?
The price and inventory of ADV7179BCPZ-REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADV7179BCPZ-REEL is usually 5 days.
3.What payment methods are accepted for ADV7179BCPZ-REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADV7179BCPZ-REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADV7179BCPZ-REEL?
ADV7179BCPZ-REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADV7179BCPZ-REEL 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 ADV7179BCPZ-REEL?
For technical support, including ADV7179BCPZ-REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADV7179BCPZ-REEL requirements.
6.How does Aetrix verify that ADV7179BCPZ-REEL is sourced from the original manufacturer or authorized distributors?
All ADV7179BCPZ-REEL 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 ADV7179BCPZ-REEL meets industry standards.
7.What is the process for return or replacement of ADV7179BCPZ-REEL?
All ADV7179BCPZ-REEL units undergo pre-shipment inspection (PSI). If there is an issue with ADV7179BCPZ-REEL, 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 ADV7179BCPZ-REEL part is unused and in its original packaging.
Return procedure for ADV7179BCPZ-REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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