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Product Detailed Parameters
- Description：IC COMPARATOR 2 DIFF 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：General Purpose
- Number of Elements：2
- Output Type：Open-Collector, Rail-to-Rail
- Voltage - Supply, Single/Dual (±)：2V ~ 36V, ±1V ~ 18V
- Voltage - Input Offset (Max)：7mV @ 30V
- Current - Input Bias (Max)：0.25µA @ 5V
- Current - Output (Typ)：20mA
- Current - Quiescent (Max)：2.5mA
- CMRR, PSRR (Typ)：-
- Propagation Delay (Max)：-
- Hysteresis：-
- Operating Temperature：-40°C ~ 125°C
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Mounting Type：Surface Mount
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The LM2903DRG3 is a dual differential voltage comparator from Texas Instruments, designed for single-supply operation over a wide voltage range. It features an open-collector output compatible with TTL, MOS, and CMOS logic families. The device operates within a supply voltage range of 2V to 30V and supports an ambient temperature range from -40°C to +125°C. Key electrical characteristics include a typical response time of 1.3µs, a maximum input offset voltage of 7mV at 25°C, and a quiescent current of approximately 0.8mA at 5V. It is housed in an 8-pin SOIC package.
Feature Summary
- Dual independent voltage comparators designed for single-supply operation
- Open-collector outputs compatible with various digital logic families
- Common-mode input voltage range includes ground potential
Applications
- Vacuum robot systems
- Single phase UPS units
- Server power supply circuits
- Cordless power tools
- Wireless infrastructure equipment
Procurement Notes
Verify the specific ordering suffix 'G3' against the manufacturer's official orderable addendum to confirm package type and tape/reel specifications. Ensure the component meets RoHS compliance requirements for your target market. Cross-reference the datasheet revision date to confirm the accuracy of the electrical parameters provided.
Selection Notes
Select this component when a dual-channel comparator with low supply current and ground-referenced inputs is required. It serves as a drop-in replacement for standard LM2903 devices. Consider the B-version variants if lower offset voltage or extended supply voltage up to 38V is necessary for the application design.
Part Context
This part belongs to the industry-standard LMx93/LM2903 family of dual comparators. These devices are widely used in general-purpose analog switching applications. The LM2903 variant specifically offers an extended industrial temperature range compared to commercial grade parts like the LM393, making it suitable for broader environmental conditions.
Replacement Considerations
The LM2903B series is documented as a direct drop-in replacement for the LM2903 family, offering improved specifications such as lower offset voltage and higher supply voltage capability.
