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Product Detailed Parameters
- Description：IC COMPARATOR 2 GEN PUR 8SSOP
- Series：-
- Mfr：Rohm Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：General Purpose
- Number of Elements：2
- Output Type：Open-Collector
- Voltage - Supply, Single/Dual (±)：2V ~ 36V, ±1V ~ 18V
- Voltage - Input Offset (Max)：7mV @ 5V
- Current - Input Bias (Max)：0.25µA @ 5V
- Current - Output (Typ)：16mA @ 5V
- Current - Quiescent (Max)：1mA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：-40°C ~ 125°C
- Package / Case：8-LSSOP (0.173", 4.40mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：8-SSOP-B
- Grade：-
- Qualification：-
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Overview
The BA2903FV-E2 is a dual analog comparator manufactured by ROHM Semiconductor, housed in an SSOP-8 surface-mount package. It operates on a single supply voltage ranging from 2 V to 36 V or dual supplies of ±1 V to ±18 V. The device features open collector outputs capable of sourcing 16 mA per channel with a typical response time of 1.3 µs. Key electrical specifications include a maximum input offset voltage of 7 mV and a typical input bias current of 50 nA. It functions within a wide temperature range of -40°C to +125°C and consumes approximately 600 µA of operating current.
Feature Summary
- Supports wide operating supply voltage ranges for flexible power design
- Enables ground-sensed input and output operation near zero volts
- Integrates electrostatic protection circuits for enhanced reliability
Applications
- General-purpose signal comparison circuits
- Voltage monitoring systems
- Threshold detection applications
Procurement Notes
Verify the component status before procurement as it is marked NRND (Not Recommended for New Designs). Confirm that the SSOP-8 package dimensions match your PCB footprint requirements. Ensure compatibility with existing designs rather than initiating new projects. Check for RoHS compliance details specific to the manufacturing batch. Validate availability through authorized distributors given the end-of-life recommendation.
Selection Notes
Select this component when a dual comparator with low power consumption and wide voltage tolerance is required. Consider the open collector output type for interfacing with various logic families. Evaluate the 1.3 µs response time against system speed requirements. Compare the 7 mV max offset voltage against precision needs. Verify thermal performance within the specified -40°C to +125°C range.
Part Context
This part belongs to the BA2903xx series of general-purpose analog comparators. It shares functional similarities with other members like the LM2903FV but offers specific voltage and package variations. The BA2903FV-E2 variant specifically utilizes the SSOP-8 form factor. It is designed for cost-effective solutions in consumer and industrial electronics requiring reliable voltage threshold detection.
Replacement Considerations
The LM2903FJ-E2 is listed as a manufacturer-recommended substitute. Verify pinout compatibility and electrical parameter alignment before substitution. Other alternatives may exist but require careful datasheet cross-referencing.
