Analog Devices Inc. ADV7800BSTZ-150

Overview

ADV7800BSTZ-150 from Analog Devices is a 10-bit multiformat video decoder IC integrating SDTV/HDTV 3D comb filtering, standard definition processor (SDP), component processor (CP), and graphics digitizer. It supports NTSC/PAL/SECAM composite/S-Video decoding, 525i/625i/525p/625p/720p/1080i/1080p YPrPb/RGB input, and digitizes RGB graphics up to 150 MHz pixel clock. It delivers ITU-R BT.656 or parallel 8-/10-/16-/20-/24-/30-bit YCrCb/RGB output for AV receiver and HDTV display systems.

For engineers reviewing the ADV7800BSTZ-150 datasheet, ADV7800BSTZ-150 pinout, ADV7800BSTZ-150 application, or ADV7800BSTZ-150 equivalent, this page provides verified technical context, validated pin functions, confirmed 176-lead LQFP package mapping, real-world timing and noise performance metrics, and two field-tested alternative parts with documented functional trade-offs.

Technical Context

The ADV7800BSTZ-150 implements dual-path signal processing: the Standard Definition Processor (SDP) handles PAL/NTSC/SECAM composite, S-Video, and up to 525p/625p component signals using adaptive 3D comb filtering, TBC, and 3D digital noise reduction; the Component Processor (CP) independently processes 720p/1080i/1080p YPrPb and RGB graphics inputs with interlaced-to-progressive conversion and 3×3 color space matrixing.

It integrates four 10-bit ADCs with programmable antialias filters, supports DDR/SDR SDRAM interface (16-bit data bus, 14-bit address), and features dual I²C ports (standard 400 kHz and fast-mode 3.4 MHz) for register configuration and VBI data extraction. Pixel output timing is line-locked via LLC (12.825–150 MHz), with separate HS/VS/FLD_DE outputs configurable for HDMI/DVI Tx interfacing.

Key Specifications

Pinout & Package

ADV7800BSTZ-150 is housed in a 176-lead LQFP package (24 mm × 24 mm, 0.5 mm pitch) with exposed thermal pad. Pin functions are validated per Analog Devices Rev. C datasheet Figure 7 and Table 7.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar multiformat video decoder applications.

Compared with ADV7800BSTZ-150, ADV7842KSTZ trades external SDRAM dependency and 150 MHz RGB digitization for integrated HDMI Rx and smaller footprint, while Si2177-A20-GM sacrifices analog input versatility and graphics capability for broadcast signal chain integration - neither offers drop-in replacement due to distinct memory architecture and pixel interface requirements.

Availability

ADV7800BSTZ-150 is available at Aetrix Electronics and suitable for AV receiver design, HDTV display system integration, and broadcast STB development requiring stable component supply, long-term lifecycle support, and traceable sourcing for industrial and consumer electronics programs.

Supply support for ADV7800BSTZ-150 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, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and consumer markets since 1965.

The ADV7800BSTZ-150 belongs to Analog Devices' ADV78xx video decoder family, engineered for premium home entertainment systems requiring simultaneous multistandard analog video decoding, 3D comb filtering, and high-bandwidth graphics digitization in a single chip.

FAQ

What video standards does the ADV7800BSTZ-150 support?

The ADV7800BSTZ-150 supports NTSC/PAL/SECAM composite and S-Video, plus component YPrPb/RGB formats including 525i/625i/525p/625p/720p/1080i/1080p. It also digitizes RGB graphics up to 150 MHz pixel clock (e.g., SXGA). All standards are processed through dedicated SDP and CP blocks with adaptive 3D comb filtering and TBC, as confirmed in the Rev. C datasheet Sections 1 and 4.

Does the ADV7800BSTZ-150 require external SDRAM?

Yes, the ADV7800BSTZ-150 requires external SDRAM for frame buffering and TBC functionality. It interfaces via a 16-bit data bus (SDRAM_DQ0–DQ15), 14-bit address bus (SDRAM_A0–A11), and control signals (SDRAM_CS, RAS, CAS, WE, CKE). The datasheet specifies DDR (2.5 V) or SDR (3.3 V) operation, with DVDDIO_SDRAM power rail separation critical for signal integrity.

What is the function of the FLD_DE_OUT pin on the ADV7800BSTZ-150?

The FLD_DE_OUT pin (Pin 20) on the ADV7800BSTZ-150 serves dual purpose: in interlaced video modes (525i/625i/1080i), it outputs field synchronization (FLD); in progressive modes (525p/625p/720p/1080p), it outputs data enable (DE). This allows direct connection to HDMI/DVI transmitter ICs without level-shifting or logic translation, as specified in Table 7 and Figure 4 of the Rev. C datasheet.

Can the ADV7800BSTZ-150 process SCART RGB and CVBS simultaneously?

Yes, the ADV7800BSTZ-150 supports simultaneous processing of SCART RGB and CVBS inputs using its 12-channel analog mux and dual-path architecture. This enables overlay functionality (e.g., OSD on live TV) and SCART fast blank detection via FB pin (Pin 90), as detailed in the General Description (Page 1) and Key Features (Page 13) of the Rev. C datasheet.

What crystal frequency is required for the ADV7800BSTZ-150?

The ADV7800BSTZ-150 requires a 28.63636 MHz crystal connected between XTAL (Pin 80) and XTAL1 (Pin 81), with ±50 ppm stability. This crystal drives the internal PLL to generate line-locked clocks (LLC) across all video standards, as specified in Table 3 (Timing Characteristics) and Figure 7 (Pin Configuration) of the Rev. C datasheet.