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Product Detailed Parameters
- Description：IC COMPARATOR 4 GEN PUR 14SSOP
- 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)：4mV @ 5V
- Current - Input Bias (Max)：0.25µA @ 5V
- Current - Output (Typ)：16mA @ 5V
- Current - Quiescent (Max)：2mA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：-40°C ~ 125°C
- Package / Case：14-LSSOP (0.173", 4.40mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：14-SSOP-B
- Grade：Automotive
- Qualification：AEC-Q100
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Overview
The BA2901YFV-CE2 is an automotive-grade analog comparator from ROHM Semiconductor, featuring four independent circuits in a single SSOP-B14 package. It operates on a wide supply voltage range of 2V to 36V with a typical supply current of 0.8mA per circuit. Key electrical parameters include a maximum input offset voltage of 5mV, typical input bias current of 50nA, and a response time of 1.3µs. The device supports open-collector outputs with a typical output current of 16mA and functions within a temperature range of -40°C to 125°C.
Feature Summary
- High EMI tolerance with integrated filters for robust automotive performance
- Ground sense capability allowing common-mode input voltage down to VEE level
- Low power consumption suitable for battery-operated vehicle systems
Applications
- Engine control units (ECU)
- Electric power steering (EPS) systems
- Anti-lock braking systems (ABS)
Procurement Notes
Verify the obsolete status carefully before procurement. This component is designated as Not Recommended for New Designs (NRND). Production is limited to supporting existing customers only. Confirm that current inventory sources are legitimate and not counterfeit, as availability may be restricted or discontinued by the manufacturer.
Selection Notes
Select this part only for maintenance or legacy system upgrades where the specific pinout and electrical characteristics match the original design. Do not use for new product development due to its NRND status. Evaluate alternative active components if long-term supply stability is required for future production runs.
Part Context
This device belongs to the BA2901 series of ground sense comparators designed specifically for automotive environments. It is part of ROHM's portfolio aimed at replacing standard comparators with higher reliability and noise immunity features tailored for harsh electromagnetic conditions found in modern vehicles.
Replacement Considerations
- BA2901YFV-C
- LM2901EYFV-CE2
FAQ
Is the BA2901YFV-CE2 recommended for new designs?
No, it is marked as Not Recommended for New Designs (NRND) and is produced solely to support existing customers.
What is the input voltage range capability?
The common-mode input voltage range includes the ground level (VEE), allowing direct sensing of signals near the negative rail.
