BU7250SG-TR

Comparators Overview

The BU7250SG-TR is a single-channel analog comparator manufactured by ROHM Semiconductor, housed in an SSOP-5 surface-mount package. It operates on a supply voltage range of 1.8 V to 5.5 V with a typical circuit current consumption of 0.015 mA. Key electrical specifications include a maximum input offset voltage of 11 mV, a typical input bias current of 0.001 nA, and a typical response time of 0.75 µs. The device features an open-drain output capable of sourcing 6 mA, with typical voltage gain of 90 dB and PSRR/CMRR of 80 dB. It supports an operating temperature range from -40 °C to +105 °C.

Comparators Feature Summary

• Supports full-swing input and output operation across the entire supply voltage range.
• Features low power consumption with minimal input bias current for high sensitivity.
• Provides open-drain output configuration suitable for various logic level interfacing.

Comparators Applications

• General purpose signal comparison in low-voltage electronic circuits
• Threshold detection applications requiring low power operation
• Industrial control systems operating within extended temperature ranges

Comparators Procurement Notes

Verify the specific suffix 'SG' confirms the extended industrial temperature range (-40°C to +105°C) compared to standard variants. Confirm the '-TR' designation indicates tape-and-reel packaging for automated assembly. Ensure compatibility with SSOP-5 footprint requirements during PCB layout. Check RoHS compliance status if required by specific regulatory standards.

Comparators Selection Notes

Select this component when full-swing input/output capability is required alongside low quiescent current. The open-drain output necessitates an external pull-up resistor; ensure the chosen resistor value aligns with desired switching speed and load conditions. Consider the 11 mV max offset voltage for precision applications. Verify that the 0.75 µs response time meets system timing constraints.

Comparators Part Context

This part belongs to the BU7250G series of CMOS comparators designed for low-voltage applications. The SG variant specifically extends the commercial grade operating temperature range to industrial levels. It serves as a low-power alternative to bipolar comparators in battery-operated or energy-efficient designs where input common-mode range includes both supply rails.

Comparators Replacement Considerations

BU7250G is the commercial temperature grade equivalent without the extended range. BU7230SG-TR offers similar low-power characteristics but features an open-drain output with different pinout considerations. Cross-reference datasheets for exact parameter matching before substitution.