ChipApex | Global Electronic Components Supplier
SEARCH
Search Product
Search Post
— IC芯片 | 连接器 | 传感器 | 被动器件 —
Consult the customer manager about the wholesale price.
consultation hotline：86-132-6715-2157
email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.
Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.
Product Detailed Parameters
- Description：IC COMPARATOR 2 GEN PUR 8SOP
- 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 (±)：3V ~ 32V, ±1.5V ~ 16V
- Voltage - Input Offset (Max)：4.5mV @ 1.4V
- Current - Input Bias (Max)：0.05µA @ 1.4V
- 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-SOIC (0.173", 4.40mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：8-SOP
- Grade：-
- Qualification：-
Download product information
Overview
The LM2903F-E2 is a dual analog comparator manufactured by ROHM Semiconductor, housed in an SOP-8 surface-mount package. It features two independent channels with open-collector outputs and a general-purpose design. The device operates within a supply voltage range of 3 V to 32 V, drawing a typical quiescent current of 600 uA. Key electrical parameters include a response time of 1 us, a maximum input offset voltage of 4.5 mV, and an input bias current of 250 nA. Each channel provides an output current capability of 16 mA. The component supports an operating temperature range from -40 C to +125 C.
Feature Summary
- Ground-sense input capability allowing operation near the negative supply rail
- Open-collector output structure compatible with various logic families
- Low power consumption suitable for battery-operated applications
Applications
- General purpose voltage monitoring circuits
- Threshold detection systems
- Power supply supervision
Procurement Notes
Verify the specific suffix E2 against the manufacturer's latest datasheet to confirm pinout and electrical specifications match the design requirements. Confirm RoHS compliance status through official documentation before integration. Check the lifecycle status as some listings indicate this part may be not recommended for new designs.
Selection Notes
Select this component when a dual-channel comparator with ground-referenced inputs is required. The low offset voltage ensures accurate threshold detection. Ensure the load connected to the open-collector output can handle the specified current and voltage levels. Consider thermal dissipation limits if multiple channels are active simultaneously.
Part Context
This part belongs to the LM2903 series of dual ground-sense comparators. It shares functional similarities with other members like the LM2903FJ but differs in packaging and specific electrical tolerances. The series is designed for single or split power supply operation, offering flexibility in system architecture compared to fixed-rail comparators.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided source material.
