Analog Devices Inc. AD9882AKSTZ-100

Overview

AD9882AKSTZ-100 from Analog Devices is a dual-interface video receiver IC integrating an 8-bit, 100 MSPS analog RGB interface and a DVI 1.0-compatible digital receiver with HDCP v1.0 support. It delivers 300 MHz full-power analog bandwidth, 500 ps p-p PLL jitter at 100 MSPS, and operates from a single 3.3 V supply. It targets flat-panel display systems requiring simultaneous legacy analog and digital source compatibility, such as LCD monitors with PC and HDMI/DVI inputs.

For engineers reviewing the AD9882AKSTZ-100 datasheet, AD9882AKSTZ-100 pinout, AD9882AKSTZ-100 application, or AD9882AKSTZ-100 equivalent, key selection criteria include its dual-mode operation (analog + DVI), 100 MSPS conversion rate, integrated HDCP authentication/decryption, and LQFP-100 package with shared data outputs and DATACK clock.

Technical Context

The AD9882AKSTZ-100 implements two independent signal paths: an analog front-end with triple 8-bit ADCs, programmable clamp/gain/offset, and a PLL generating pixel clocks from HSYNC (12–100 MHz); and a digital DVI receiver with differential input pairs (RX0±, RX1±, RX2±, RXC±), intrapair skew tolerance up to one clock cycle, and HDCP v1.0 engine for authentication, decryption, and key renewal.

Both interfaces share output resources-RED[7:0], GREEN[7:0], BLUE[7:0], DATACK, HSOUT, VSOUT, and DE-with interface selection determined by active input detection and serial register control. The device uses a 2-wire serial port (SDA/SCL/A0) for configuration and supports hot-plug sync detection and composite sync processing.

Key Specifications

Pinout & Package

AD9882AKSTZ-100 is housed in a 100-lead LQFP (14 mm × 14 mm, 0.5 mm pitch), Pb-free, surface-mount package with exposed thermal pad. Pin assignments are validated per Analog Devices AD9882A Rev. 0 datasheet Figure 2 and Table 4.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual-interface video receiver applications.

Compared with AD9882AKSTZ-100, AD9883AKSTZ-140 extends analog bandwidth headroom while maintaining full software and pin compatibility, whereas TFP401APZPR sacrifices analog capability and HDCP integration-requiring additional components and layout changes to match core functionality.

Availability

AD9882AKSTZ-100 is available at Aetrix Electronics and suitable for LCD monitor manufacturing, plasma display controller development, and digital TV input processor design requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for AD9882AKSTZ-100 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, headquartered in Norwood, MA.

The AD988x family was designed specifically for flat-panel display applications requiring seamless integration of analog and digital video interfaces in space-constrained consumer and industrial displays.

FAQ

What is the maximum analog input frequency supported by the AD9882AKSTZ-100?

The AD9882AKSTZ-100 supports a full-power analog bandwidth of 300 MHz, meaning it can accurately digitize analog RGB or YPbPr signals with fundamental frequencies up to 300 MHz without significant amplitude roll-off. This enables reliable capture of high-resolution graphics signals such as SXGA (1280×1024) at 75 Hz refresh rates. The AD9882AKSTZ-100 achieves this using a monolithic triple 8-bit ADC architecture with internal 1.25 V reference and optimized analog front-end filtering.

Does the AD9882AKSTZ-100 support HDCP authentication out of the box?

Yes, the AD9882AKSTZ-100 integrates a complete HDCP v1.0 engine capable of performing authentication, decryption of encoded video data, and key renewal during active transmission-all without external crypto components. It supports high tolerance of noncompliant HDCP sources and uses dedicated DDCSCL/DDCSDA and MCL/MDA pins for secure communication with the display sink. The AD9882AKSTZ-100 meets the protocol requirements defined in the HDCP specification for certified receivers.

Can the AD9882AKSTZ-100 operate with both analog and digital inputs simultaneously?

No-the AD9882AKSTZ-100 operates in either analog or digital mode, not concurrently. Interface selection is automatic based on active input detection or manually controlled via serial register bits. While both paths share output pins (RED/GREEN/BLUE, DATACK, HSOUT), only one data stream is routed to outputs at a time. The AD9882AKSTZ-100 includes hardware logic to detect presence of valid analog sync or digital TMDS signals and switch accordingly, ensuring glitch-free transitions.

What power supply configurations does the AD9882AKSTZ-100 require?

The AD9882AKSTZ-100 requires three independent supply domains: VD (3.15–3.45 V) for analog circuitry, VDD (2.2–3.45 V) for digital I/Os to support mixed-voltage interfacing, and PVD (3.15–3.45 V) for the PLL clock generator. Each domain must be decoupled with low-ESR capacitors-especially FILT (PLL filter node) and REFBYPASS (1.25 V reference bypass)-to maintain 500 ps p-p jitter performance. Ground planes must be partitioned to isolate analog, digital, and PLL return paths.

Is the AD9882AKSTZ-100 pin-compatible with other members of the AD988x family?

Yes, the AD9882AKSTZ-100 is pin-compatible with AD9882AKSTZ-140 and AD9883AKSTZ-140 in the same 100-lead LQFP package. All share identical pin functions, power domains, serial register map, and interface logic. The primary difference is maximum conversion rate (100 MSPS vs. 140 MSPS) and corresponding PLL performance tuning. Firmware and PCB layouts designed for AD9882AKSTZ-100 can be reused directly with AD9883AKSTZ-140, making it a drop-in upgrade path for higher-speed applications.