This document describes the features and characteristics of ROHM's Selection Operational Amplifier/Comparator Series products, including low operating voltage, full swing input and output, push-pull output type, high speed operation, and low supply current.
This technical note provides an overview of the BU7251/BU7231 and BU7252/BU7232 CMOS comparator families from ROHM. It describes the device features, pin assignments, absolute maximum ratings, and detailed electrical characteristics for each variant.
The document includes typical performance graphs, derating curves, and packaging information such as tape‑and‑reel details. It also contains legal notices and contact information for obtaining further specifications.
| Operating supply voltage | +1.8 V to +5.5 V (single supply) |
|---|---|
| Supply current (typical) | 50 pA |
| Operating temperature range (G version) | -40 °C to +85 °C |
| Operating temperature range (SG version) | -40 °C to +105 °C |
The BU7251G operates from a single supply voltage of +1.8 V to +5.5 V.
SG‑rated parts are rated up to +105 °C.
Typical supply current is 50 pA.