HI3-574AJN-5

Analog To Digital Converters (ADC) Overview

The HI3-574AJN-5 is a complete 12-bit Analog-to-Digital Converter (ADC) manufactured by Renesas Electronics Corporation. It utilizes a Successive Approximation Register (SAR) architecture and features an integrated +10V reference and clock oscillator. The device provides three-state outputs for direct microprocessor bus interfacing, supporting full 8-bit, 12-bit, or 16-bit data formats. It operates with analog supply voltages of ±12V to ±15V and a digital logic supply of +5V. The component is housed in a 28-lead Plastic Dual In-Line Package (PDIP) and is rated for an operating temperature range of 0°C to +75°C.

Analog To Digital Converters (ADC) Feature Summary

• Integrated 12-bit SAR ADC with internal +10V reference and clock
• Three-state parallel output interface compatible with 8/12/16-bit microprocessors
• Maximum conversion time of 25µs for a 12-bit cycle
• Linearity error guaranteed at ±1.0 LSB over the operating temperature range

Analog To Digital Converters (ADC) Applications

• Military and industrial data acquisition systems
• Electronic test and scientific instrumentation
• Process control systems

Analog To Digital Converters (ADC) Procurement Notes

Verify that the specific ordering suffix 'JN' corresponds to the PDIP package variant as listed in the official datasheet. Confirm that the application environment remains within the specified 0°C to +75°C operating temperature range. Ensure power supplies are properly bypassed using tantalum and ceramic capacitors to maintain signal integrity and prevent noise-induced errors during conversion cycles.

Analog To Digital Converters (ADC) Selection Notes

Select this model when a 12-bit resolution with ±1.0 LSB linearity is sufficient for the application requirements. Consider the HI3-574AKN-5 if tighter linearity specifications of ±0.5 LSB are required. Verify that the system design accommodates the necessary bipolar or unipolar input ranges and that the microprocessor timing constraints align with the device's access and setup times.

Analog To Digital Converters (ADC) Part Context

This component belongs to the HI-X74A family of complete 12-bit A/D converters. It shares functional similarities with the HI-674A but offers a slower maximum conversion speed of 25µs compared to the 15µs capability of the HI-674A. Both variants utilize monolithic dice housed in a single package to ensure enhanced AC performance and freedom from latch-up via dielectric isolation processes.

Analog To Digital Converters (ADC) Replacement Considerations

Public documentation identifies the ISL263XX and ISL267XX families as possible substitute products. These alternatives should be evaluated based on pin compatibility and electrical parameter alignment before implementation in existing designs.

Analog To Digital Converters (ADC) FAQ

What is the maximum linearity error for the HI3-574AJN-5?

The maximum linearity error is guaranteed at ±1.0 LSB over the operating temperature range of 0°C to +75°C.

How does the Byte Enable/Short Cycle feature function?

The AO input allows for byte enable or short cycle operations, providing a break-before-make action that eliminates bus contention during read operations. This mode is latched by the Start Convert input to set the conversion length.

What are the standard analog input voltage ranges supported?

The device supports four standard input ranges: Bipolar -5V to +5V, Bipolar -10V to +10V, Unipolar 0V to +10V, and Unipolar 0V to +20V.