ADV7171KSUZ - 10-Bit PAL/NTSC Video Encoder | Analog Devices
N.º de pieza: ADV7171KSUZ ✓ ActivoADV7171KSUZ Descripción general
A digital video encoder is an interface IC that bridges digital video-processing systems and legacy analog displays. In the signal hierarchy, it converts buffered YCrCb component data into composite video, S-Video, or RGB output. This makes the device applicable to DVD playback equipment, portable video products, laptop PCs, video games, multimedia computers, set-top boxes, and satellite or cable receiver systems.
The ADV7171KSUZ family provides 10-bit internal digital-to-analog conversion, simultaneous composite and S-Video or RGB output, and programmable operating modes through a two-wire serial interface. The control port is compatible with I2C-style communication and supports two slave addresses, allowing an external controller to select output modes and configure the encoder. These features provide a practical interface between digital video pipelines and PAL or NTSC-compatible analog equipment.
Advanced power management is a defining feature of the ADV7170 and ADV7171 family. The manufacturer describes the devices as integrated digital PAL/NTSC encoders with 10-bit SSAF and advanced power-management circuitry. Their interface is designed for systems where power consumption, programmable output behavior, and compatibility with established video-control buses are important.
Typical deployments include high-performance DVD players, portable and laptop video systems, PC video and multimedia platforms, game consoles, set-top boxes, and satellite or cable receiver equipment. The 44-lead TQFP package provides a surface-mount solution for equipment requiring multiple analog video outputs and extensive control connectivity.
A key design consideration is that the encoder operates from a nominal 5 V supply. The power rails must remain within 4.75 V to 5.25 V, and the analog video output network must be implemented according to the manufacturer’s reference application. Verify timing, output-mode configuration, and signal amplitudes against the device datasheet before releasing a PCB.
This page consolidates the manufacturer’s encoder capabilities, package information, operating limits, source documents, application guidance, and qualified drop-in alternatives into a design-focused reference for engineers maintaining or creating PAL/NTSC video systems.
Alternativas directas para ADV7171KSUZ — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con ADV7171KSUZ (mismo factor de forma y huella) — difiere en Package, Product Type, Supported Output Standards, Control Interface, Input Format.
ADV7171KSU
✅ Sustitución directaConsulte el precio
Ver hoja de datos →ADV7171KSZ
✅ Sustitución directaConsulte el precio
Ver hoja de datos →ADV7170KSUZ
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
ADV7170KSU
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
ADV7170KSZ
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
ADV7171KSUZ Especificaciones
| Product Type | Digital PAL/NTSC video encoder IC |
| Manufacturer | Analog Devices |
| Input Format | Digital CCIR-601 4:2:2 component video |
| Input Data Width | 8 bit or 16 bit |
| Output Format | Analog PAL/NTSC baseband video |
| Internal DAC Resolution | 10 bit |
| Analog Video Outputs | Composite and S-Video or RGB |
| Control Interface | 2-wire serial bidirectional interface, I2C-compatible |
| Programmable Slave Addresses | 2 addresses |
| Supply Voltage Range | 4.75 V to 5.25 V |
| Nominal Supply Voltage | 5 V |
| Rango de temperatura de funcionamiento | -40°C to +85°C |
| Encapsulado | 44-lead TQFP, 10 mm x 10 mm |
| Tipo de montaje | Surface mount |
| Lead Count | 44 leads |
| Power Management | Advanced power management |
| Video Standard | PAL/NTSC |
Guía de configuración de pines de ADV7171KSUZ 44-lead tqfp, 10 mm x 10 mm
Configuración de pines para ADV7171KSUZ (encapsulado 44-lead tqfp, 10 mm x 10 mm). La numeración de pines, las funciones y los diagramas de conexión se definen en la hoja de datos del fabricante. Consúltela para conocer el footprint exacto y las directrices de soldadura.
No hay datos detallados de patillaje disponibles para ADV7171KSUZ.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
ADV7171KSUZ es adecuado para 6 aplicacións: DVD Player Video Output, Set-Top Box Composite Video, Portable Video Equipment, Laptop PC Multimedia Output, Video Game Console Output, Industrial Video Test Equipment.
DVD Player Video Output
The ADV7171KSUZ fits legacy DVD-player output stages that receive digital CCIR-601 4:2:2 data but must drive PAL or NTSC analog displays. Its 10-bit internal conversion path and programmable composite and S-Video or RGB outputs provide a bridge between a digital video decoder and analog television equipment. The encoder accepts both 8-bit and 16-bit parallel formats, which simplifies adaptation across different DVD architectures. Operate the device from its specified 4.75 V to 5.25 V supply and configure the two-wire serial control interface through the manufacturer register procedure.
Recomendado
Set-Top Box Composite Video
ADV7171KSUZ is appropriate for set-top-box and satellite or cable receiver designs that decode digital television content and require standard analog baseband output. The 10-bit DAC-based encoder supports simultaneous composite and S-Video or RGB configurations, allowing one device to serve multiple analog interfaces. Its I2C-compatible two-wire control interface can be shared with a system controller, while the 44-lead TQFP supports a conventional surface-mount layout. The key design task is separating sensitive analog outputs from noisy digital clocks and routing returns according to the manufacturer’s application guidance.
Recomendado
Portable Video Equipment
The ADV7171KSUZ can be used in portable and portable-adjacent video products that retain an analog PAL/NTSC output for compatibility with legacy displays or capture equipment. Its advanced power-management architecture is relevant when the product must balance analog video capability with system energy constraints. The encoder accepts either 8-bit or 16-bit CCIR-601 4:2:2 data and produces programmable analog outputs from a 5 V-class supply. System partitioning should keep the 4.75 V to 5.25 V requirement independent of a varying battery rail, with regulation and decoupling implemented as required by the datasheet.
Recomendado
Laptop PC Multimedia Output
ADV7171KSUZ is suitable for laptop and desktop multimedia systems that need an analog composite or S-Video output in addition to a digital display interface. The device converts CCIR-601 4:2:2 component data already present in many graphics pipelines, avoiding a separate legacy video-output standard. Its programmable outputs and two-wire serial control reduce the number of external mode-selection signals required. The main integration concerns are clocking, pixel-data timing, EMI containment, and ensuring that the analog output network is designed for the intended PAL or NTSC destination.
Recomendado
Video Game Console Output
The ADV7171KSUZ supports video-game consoles and add-on cards that must present PAL or NTSC analog video while the main graphics pipeline remains digital. Programmable composite and S-Video or RGB outputs allow the hardware to address different television markets and regional standards. The 10-bit conversion path is useful for maintaining stable video quality across the system’s digital processing chain. Place the encoder close to the analog output network, keep switching-node returns out of its supply path, and verify synchronization, blanking, and amplitude using the timing and application information in the manufacturer datasheet.
Recomendado
Industrial Video Test Equipment
ADV7171KSUZ can support legacy PAL/NTSC test and measurement equipment that must generate or reproduce analog television signals from digital component-video sources. Programmable output modes make it useful for compatibility fixtures, service tools, and product-validation systems. The encoder’s 10-bit internal path and broad 4.2 V input-voltage tolerance around the nominal 5 V supply help establish a repeatable analog reference. For instrumentation-grade use, calibrate the output level and timing, isolate analog grounds from high-current loads, and document the CCIR-601 input format expected by the source under test.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para ADV7171KSUZ — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | ADV7171KSU | ADV7171KSZ | ADV7170KSUZ | ADV7170KSU | ADV7170KSZ |
|---|---|---|---|---|---|---|
| Package | 44-lead TQFP, 10 mm x 10 mm | 44-lead TQFP, 10 mm x 10 mm | 44-lead TQFP, 10 mm x 10 mm | 44-lead TQFP, 10 mm x 10 mm | 44-lead TQFP, 10 mm x 10 mm | 44-lead TQFP, 10 mm x 10 mm |
| Brand | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices | Analog Devices |
| Product Type | Digital PAL/NTSC video encoder | Digital PAL/NTSC video encoder | Digital PAL/NTSC video encoder | Digital PAL/NTSC video encoder | Digital PAL/NTSC video encoder | Digital PAL/NTSC video encoder |
| Input Format | CCIR-601 4:2:2, 8-bit or 16-bit parallel | CCIR-601 4:2:2, 8-bit or 16-bit parallel | CCIR-601 4:2:2, 8-bit or 16-bit parallel | CCIR-601 4:2:2, 8-bit or 16-bit parallel | CCIR-601 4:2:2, 8-bit or 16-bit parallel | CCIR-601 4:2:2, 8-bit or 16-bit parallel |
| Internal DAC Resolution | 10 bit | 10 bit | 10 bit | 10 bit | 10 bit | 10 bit |
| Macrovision Anticopy Output | No | No | No | Yes | Yes | Yes |
Diferenciadores clave
- Purpose-built analog video conversion (frente a ADV7171KSU)
- No Macrovision anticopy function (frente a ADV7170KSUZ)
- Flexible digital-video source compatibility (frente a ADV7170KSZ)
- Compact surface-mount implementation (frente a ADV7171KSZ)
Notas de diseño
Place the analog video outputs, their coupling or termination networks, and the encoder’s analog supply connections close to the TQFP. Keep digital video traces and clock lines away from the analog output pins. Use the manufacturer’s reference layout and pin-description table for every connection, including grounds, because the 44-lead package contains multiple signal and supply-related pins whose assignment must not be inferred from pin count alone.
Design the 5 V supply rail to remain between 4.75 V and 5.25 V under analog and digital load. Place local high-frequency decoupling at the device supply pins and route the return current through a path that avoids sharing noisy return-current regions with the video outputs. Confirm capacitor selection, power sequencing, and maximum supply tolerance against the manufacturer’s electrical-characteristics and application sections.
Maintain controlled impedance and short return paths for the CCIR-601 parallel video bus, especially when clocks and pixel data traverse a substantial board distance. Match trace topology across the source and encoder, minimize stub lengths, and observe any clocking or timing constraints stated in the datasheet. The two-wire control bus should also be routed away from the analog output network to reduce coupling into the composite, S-Video, or RGB signals.
Do not treat ADV7171 and ADV7170 as unconditional equivalents: the ADV7170 can output the Macrovision anticopy algorithm, while the ADV7171 does not. Also verify whether the selected suffix changes temperature grade, packing, lead finish, or ordering treatment. Before replacing ADV7171KSUZ, compare the exact suffix against the ordering guide and confirm that the intended PAL or NTSC output mode remains available in the replacement device.
Use the manufacturer’s recommended output network and termination arrangement to control radiated emissions and maintain stable video amplitude. Keep switching regulators, high-current logic, and their inductors away from the analog output section. Grounding and shielding can improve system behavior, but they should supplement rather than replace the reference PCB layout; validate the completed assembly for conducted and radiated emissions in its final enclosure and cable configuration.
Información de cumplimiento
Compliance status was not established by the cited manufacturer product page and family datasheet excerpts. The lead-free and halogen-free status of the exact KSUZ ordering suffix must be confirmed in the Analog Devices ordering guide or product compliance documentation before procurement.
