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Product Detailed Parameters
- Description：IC COMPARATOR 4 GEN PUR 14SOP
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：General Purpose
- Number of Elements：4
- Output Type：Open-Collector
- Voltage - Supply, Single/Dual (±)：2V ~ 36V, ±1V ~ 18V
- Voltage - Input Offset (Max)：5mV @ 5V
- Current - Input Bias (Max)：0.25µA @ 5V
- Current - Output (Typ)：16mA @ 5V
- Current - Quiescent (Max)：2mA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：400ns (Typ)
- Hysteresis：-
- Operating Temperature：-40°C ~ 125°C
- Package / Case：14-SOIC (0.173", 4.40mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：14-SOP
- Grade：-
- Qualification：-
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Overview
The BA82901YF-CE2 is a general-purpose analog comparator manufactured by Rohm Semiconductor, designed for automotive applications. It features four independent channels in a 14-SOP package. Key electrical specifications include a supply voltage range of 2 V to 36 V, typical circuit current of 0.8 mA per channel, and an input bias current of 50 nA. The device offers a response time of 1.3 µs, output current capability of 16 mA, and operates within a temperature range of -40°C to +125°C. It holds AEC-Q100 qualification.
Feature Summary
- Integrated EMI filter for enhanced electromagnetic interference tolerance
- Ground-sense input capability allowing operation near ground level
- Automotive-grade reliability with AEC-Q100 certification
Applications
- Engine control units
- Electric power steering systems
- Anti-lock braking systems
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm the specific suffix matches the required package and tape/reel configuration. Check for obsolescence status as this part may be designated for existing designs only. Ensure compliance with RoHS directives and functional safety requirements relevant to the target application environment.
Selection Notes
Select this component when high EMI immunity is critical for automotive signal processing. The wide supply voltage range supports various single-supply configurations. Consider the open-collector output type for interface compatibility with downstream logic circuits. Evaluate thermal performance within the specified operating temperature range for robust system integration.
Part Context
This device belongs to Rohm's BA8290x series of ground-sense comparators. It integrates multiple high-gain amplifier stages into a single chip to reduce board space. The series is optimized for automotive environments requiring noise tolerance and wide dynamic range operation under varying supply conditions.
Replacement Considerations
Direct substitutes include LM2901EYFV-CE2 and BA2901FV-E2. Verify pinout compatibility and electrical parameter alignment before substitution. Ensure the replacement meets the same AEC-Q100 grade and package dimensions.
