HA17903PSJ

Overview

The HA17903PSJ is a dual comparator manufactured by Renesas Electronics Corporation, designed for automotive and control system applications. It operates on a single power supply with a wide voltage range of 2V to 36V. The device features very low supply current consumption of 0.8mA, which remains stable regardless of supply voltage changes. Key electrical characteristics include a small input bias current of 25nA, an input offset current of 3nA, and an input offset voltage of 2mV. The common-mode input voltage range includes ground. Output saturation voltage is specified at 1mV with 5µA load and 70mV with 1mA load. The output logic is compatible with CMOS systems.

Feature Summary

• Wide supply voltage operation from 2V to 36V on a single source
• Low supply current consumption independent of supply voltage variations
• Input common-mode voltage range includes ground potential
• Output voltage levels compatible with standard CMOS logic systems

Applications

• Automotive limit comparison circuits
• Simple analog-to-digital conversion stages
• Pulse, square wave, or time delay generation
• Wide-range voltage-controlled oscillators (VCO)
• High-voltage logic gate implementations

Procurement Notes

Verify the specific suffix PSJ against official Renesas documentation to confirm package type and tape-and-reel specifications. Confirm RoHS compliance status as per the latest product change notices. Ensure the component meets the required operating temperature range for the intended application environment before finalizing procurement orders.

Selection Notes

Select this component when a wide single-supply voltage range is required without complex biasing networks. The inclusion of ground in the common-mode input range simplifies interface design for sensors operating near zero volts. Consider the low input offset voltage for precision applications where minimal error amplification is critical.

Part Context

The HA17903 series belongs to Renesas' line of analog comparators derived from Hitachi Semiconductor heritage. These devices are engineered for robust performance in noisy environments typical of automotive and industrial control systems. The dual configuration allows for cost-effective implementation of differential sensing or window comparator functions within compact designs.

FAQ

Does the input common-mode voltage range include ground?

Yes, the HA17903PSJ supports a common-mode input voltage range that includes ground potential.

Is the supply current dependent on the supply voltage?

No, the supply current remains small and relatively constant, being independent of the supply voltage.