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ADV7120KST30 is listed in the Digital To Analog Converters range at ChipApex. The manufacturer field lists Analog Devices Inc.. Its product description is IC DAC VIDEO 3-CH 30MHZ 48-LQFP. Review the specifications below when checking this part for your BOM.
The ADV7120KST30 is a CMOS, 80 MHz triple 8-bit video digital-to-analog converter (DAC) manufactured by Analog Devices. Designed for high-resolution color graphics and video systems, it integrates three independent RGB D/A converters with standard TTL input interfaces and high-impedance analog current sources. The device operates on a single +5 V supply and requires an external 1.23 V reference voltage. It generates RS-343A and RS-170 compatible RGB video outputs without external buffering. Key static performance metrics include a maximum integral nonlinearity of ±1 LSB and differential nonlinearity of ±0.5 LSB, ensuring guaranteed monotonicity.
Verify the specific speed grade suffix when ordering, as the KST30 designation corresponds to the 30 MHz version within the broader ADV7120 family which also includes 50 MHz and 80 MHz variants. Confirm package availability, as this model utilizes the 48-lead TQFP option. Ensure compatibility with required industrial temperature ranges if operating outside the standard 0°C to +70°C specification.
Select the ADV7120KST30 for applications requiring precise video signal generation with guaranteed monotonicity and low glitch impulse. The device supports direct driving of doubly terminated 75 Ω coaxial cables. Designers must provide an external 1.23 V reference and configure the RSET resistor to set full-scale output currents according to RS-343A or RS-170 standards.
The ADV7120 series comprises multiple speed grades including KN80, KN50, KN30, KP80, KP50, KP30, KST50, and KST30. These variants share identical functional architectures but differ in maximum clock frequencies and packaging options such as DIP, PLCC, and TQFP. The KST30 specifically denotes the 30 MHz speed grade in the 48-lead TQFP package.
Public confirmed substitute part numbers are not available in the provided documentation.
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