ADV7122KP30

Digital To Analog Converters Overview

The ADV7122KP30 is a triple 10-bit video digital-to-analog converter (DAC) from Analog Devices, operating at a maximum clock rate of 30 MHz. It integrates three high-speed pixel input ports for red, green, and blue data alongside composite SYNC and BLANK control signals. The device utilizes a +5 V CMOS monolithic construction to generate RS-343A/RS-170 compatible analog current outputs. Key static performance metrics include ±2 LSB maximum integral nonlinearity (INL), ±1 LSB differential nonlinearity (DNL), and guaranteed monotonicity across the full 10-bit range.

Digital To Analog Converters Feature Summary

• Triple 10-bit D/A converters with TTL-compatible parallel inputs
• Integrated composite SYNC and BLANK control functions
• High-speed pipelined operation up to 30 MHz
• Monotonic to 10 bits with low glitch impulse

Digital To Analog Converters Applications

• High Definition Television (HDTV)
• High Resolution Color Graphics
• Video Signal Reconstruction
• Direct Digital Synthesis (DDS)

Digital To Analog Converters Procurement Notes

Verify that the specific suffix KP30 corresponds to the 30 MHz speed grade and 44-pin PLCC package as defined in the official ordering guide. Confirm industrial temperature range compliance if required, noting standard parts operate between 0°C and +70°C. Cross-reference the manufacturer's latest documentation to ensure no revisions have altered pinout or electrical specifications.

Digital To Analog Converters Selection Notes

Select this component when a 30 MHz update rate suffices for the target resolution and refresh frequency. Ensure the system provides a stable 1.23 V external reference voltage and appropriate RSET resistor for desired output current levels. Verify that the PCB layout supports separate analog and digital ground planes to maintain signal integrity and minimize noise coupling.

Digital To Analog Converters Part Context

This part belongs to the ADV7121/ADV7122 family of video DACs. The ADV7122 variant specifically includes SYNC and BLANK control pins, distinguishing it from the ADV7121. The KP30 designation indicates the 30 MHz speed bin within the 44-pin Plastic Leaded Chip Carrier (PLCC) package option.

Digital To Analog Converters Replacement Considerations

The ADV7122KP50 offers identical functionality with a 50 MHz speed grade. The ADV7122KST series provides the same features in a 48-lead TQFP package. No direct functional substitutes are listed; verify pin compatibility and speed requirements before substituting.