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ADI ADV7125KSTZ140 330MHz Triple 8-Bit High Speed Video DAC

Shenzhen Mingjiada Electronics Co., Ltd., as a globally renowned authorized independent distributor of electronic components, provides the ADI ADV7125KSTZ140 three-channel 8-bit high-speed video digital-to-analog converter (DAC) chip for industries such as industrial control, automotive electronics, communication equipment, and medical instruments. This high-performance converter, with its 330MHz throughput rate, low power consumption, and broad compatibility, is an ideal choice for applications such as digital video systems, high-resolution color graphics, and in-vehicle infotainment systems.

Product Overview:

The ADV7125KSTZ140 is a triple high-speed digital-to-analog converter (DAC) based on a single-chip integrated circuit. It includes three high-speed 8-bit video DACs with complementary outputs, standard TTL input interfaces, and high-impedance analog output current sources.

The ADV7125KSTZ140 has three independent 8-bit-wide input ports. The device operates with a single +5 V/+3.3 V power supply and clock. It also includes additional video control signals, such as composite sync (SYNC) and blank (BLANK), as well as a power-saving mode.

The ADV7125KSTZ140 is manufactured using a 5 V CMOS process. Its monolithic CMOS structure ensures higher functionality and lower power consumption. The ADV7125KSTZ140 is available in 48-pin LQFP and 48-pin LFCSP packages.

Product Highlights:

330 MSPS (at 3.3 V) throughput.

Guaranteed 8-bit monotonicity.

Compatible with various high-resolution color graphics systems, including RS-343A and RS-170.

Technical Features:

The ADV7125KSTZ140 is a high-performance three-channel 8-bit video digital-to-analog converter manufactured using advanced 5V CMOS technology, integrating three independent high-speed DAC channels. This device achieves high-quality digital-to-analog conversion of video signals on a single chip, offering outstanding performance and a wealth of functional features, making it an ideal choice for video processing applications.

In terms of core performance parameters, the ADV7125KSTZ140 demonstrates outstanding technical specifications:

Conversion Rate: Supports up to 330 MSPS throughput, meeting the real-time processing requirements of high-resolution video systems

Resolution: Each channel provides 8-bit precision, ensuring precise reproduction of video signals

Power Requirements: Requires only a single power supply (3.3V or 5V), simplifying system design

Power consumption: Typical power consumption is only 30mW in operating mode (at 3V), further reduced to 6mW in standby mode

Temperature range: Supports industrial-grade temperature range (-40°C to +85°C), suitable for harsh environments

In terms of architectural design, the ADV7125KSTZ140 adopts a segmented architecture with single-polarity output, offering both external and internal voltage reference options. The device integrates a 1.235V internal reference voltage source, simplifying peripheral circuit design. The digital interface uses standard TTL levels, compatible with various processors and FPGAs, facilitating system integration.

In terms of packaging and physical characteristics, the ADV7125KSTZ140 is available in a 48-pin LQFP package with dimensions of 7mm × 7mm × 1.4mm, suitable for surface mount technology (SMT). This packaging form ensures good thermal performance while facilitating PCB layout and routing. The device weighs only 0.07kg, complies with RoHS directives, and meets environmental requirements.

The ADV7125KSTZ140 offers comprehensive video control features, including:

Composite SYNC and BLANK signals: Simplify video timing control

Power-saving mode: Significantly reduces power consumption when video output is not required

Complementary outputs: Enhance signal integrity and interference resistance

DAC output current range: Adjustable from 2.0mA to 26.5mA to accommodate different load requirements

The ADV7125KSTZ140 also supports RS-343A and RS-170 compatible outputs, enabling direct drive of various video display devices. An 8-bit monotonicity guarantee ensures smooth video signal transitions, preventing color banding. These features make the ADV7125KSTZ140 an ideal choice for high-resolution color graphics systems, digital video processing, and professional display devices.

Application Areas and Typical Scenarios

The ADV7125KSTZ140, with its high-performance video conversion capabilities and stable, reliable characteristics, is widely applied across multiple industry sectors. As a professional-grade video analog-to-digital converter, it meets diverse video processing needs from consumer electronics to industrial equipment.

In digital video systems, the ADV7125KSTZ140 plays a central role. It enables high-quality conversion of digital video signals to analog RGB components, suitable for:

Professional video editing equipment: such as broadcast-grade video switchers and post-production systems, which require high-precision, low-jitter video DACs to ensure image quality

Medical imaging displays: In the display terminals of medical devices such as X-ray and CT scanners, ensuring accurate reproduction of diagnostic images

Security surveillance systems: Converting digital video signals into analog signals for use with traditional surveillance monitors while maintaining image clarity

High-resolution color graphics is another important application area for the ADV7125KSTZ140. The device is compatible with RS-343A and RS-170 standards, making it ideal for:

Computer graphics workstations: Providing professional designers with precise color reproduction and graphic display

Large-screen display systems: Applications requiring high refresh rates and high color depth, such as billboards and stage backdrops

Simulation training systems: Devices requiring realistic visual feedback, such as flight simulators and driving simulators

In the field of in-vehicle infotainment systems, the ADV7125KSTZ140's industrial-grade temperature range (-40°C to +85°C) enables it to withstand the harsh environments of automotive electronics. Typical applications include:

In-vehicle display drivers: Providing high-quality video output for center console displays and rear-seat entertainment systems

Panoramic parking systems: Converting digital signals from multiple cameras into analog signals for use with traditional display devices

Head-up displays (HUD): Converting navigation information, speed, etc., into analog signals projected onto the windshield

The ADV7125KSTZ140 is also widely adopted in industrial automation applications, where its stability and interference resistance meet industrial environment requirements:

Industrial control panels: Providing video output functionality for HMIs (human-machine interfaces)

Machine vision systems: Enables image signal conversion and processing in inspection equipment

Process monitoring displays: Drives status monitoring display screens in factory automation

Additionally, the ADV7125KSTZ140 is widely used in instrumentation and signal processing applications:

Test and measurement equipment: Display output for devices such as oscilloscopes and spectrum analyzers

Radar signal display: Converts digital radar signals into analog video for use with traditional displays

Digital radio modulation: Implements up-conversion of signals in software-defined radio systems