* Question

What are the technical features of the KXL7135?

* Answer

The KXL7135 is a high-precision 4½-digit analog-to-digital converter (ADC), designed for applications requiring accurate and reliable digital representation of analog signals. It is particularly suitable for use in digital voltmeters (DVMs), digital panel meters (DPMs), and other measurement systems.

Key Technical Features of the KXL7135

High Accuracy: Offers a guaranteed accuracy of ±1 count over a 20,000 count range, with a 2.0000V full-scale input.

Dual-Slope Conversion: Utilizes dual-slope conversion for reliable and noise-immune measurements.

True Differential Input: Features high-impedance differential inputs, ensuring accurate measurements without significant loading effects.

Auto-Zero and Auto-Polarity: Includes auto-zero functionality with accuracy better than 10µV and zero drift of less than 0.5µV/°C, along with true polarity detection at zero input.

Low Input Bias Current: Maintains a maximum input bias current of 10pA, minimizing errors due to leakage currents.

Multiplexed BCD Outputs: Provides multiplexed Binary-Coded Decimal (BCD) outputs, facilitating easy interfacing with external display drivers like the Maxim ICM7211A.

TTL Compatible Logic: All outputs are TTL compatible, simplifying integration with microprocessors and other digital systems.

Auxiliary Control Lines: Includes additional control lines such as STROBE, OVERRANGE, UNDERRANGE, RUN/HOLD, and BUSY, enabling enhanced system control and interfacing capabilities.

Monolithic CMOS Design: Built using a monolithic CMOS process, ensuring low power consumption and high reliability.

Package Options

The KXL7135 is available in various package types to suit different application needs, including:

28-Pin Plastic Dual In-Line Package (PDIP)

28-Pin Surface-Mount Package (SSOP)

28-Pin Chip Carrier

These package options provide flexibility for integration into various circuit designs.

For detailed specifications, pin configurations, and application circuits, you can refer to the official datasheet provided by Analog Devices.