Overview
The LM2903MX/NOPB by Texas Instruments is a low offset, dual differential comparator designed for precision voltage comparison. It is housed in an 8-pin SOIC package and operates over a wide temperature range of -40°C to 85°C. This comparator is notable for its low supply current, quick response time, and wide supply voltage range of 2V to 36V, making it suitable for both single and dual supply operations. It is also Pb-free and RoHS compliant, aligning with current environmentally-friendly manufacturing protocols.
Key Specifications
| Parameter | Description |
|---|---|
| Package | SOIC-8 |
| Supply Voltage Range | 2V to 36V (Single or Dual Supplies: ±1.0 V to ±18 V) |
| Input Offset Voltage | ±7 mV |
| Input Bias Current | 250 nA |
| Input Common Mode Voltage Range | 0 to V+ - 1.5 V |
| Supply Current | 0.4 mA to 1.0 mA (dependent on supply voltage) |
| Response Time | 1.5 μs |
| Output Type | TTL |
| Output Current | 16 mA |
| Operating Temperature Range | -40°C to 85°C |
| RoHS Compliance | Yes |
Key Features
- Low offset voltage of ±7 mV, ensuring high precision in voltage comparisons.
- Very low supply current drain of 0.4 mA to 1.0 mA, independent of supply voltage.
- Low input biasing current of 250 nA and low input offset current of ±5 nA.
- Wide input common-mode voltage range that includes ground and can extend up to the power supply voltage.
- Quick response time of 1.5 μs, making it suitable for applications requiring fast signal processing.
- Pb-free and RoHS compliant, adhering to environmentally friendly manufacturing standards).
Applications
- Industrial Automation: Used in automated control systems for voltage monitoring and safety cut-off mechanisms, providing efficient and low-power switching capabilities.
- Consumer Electronics: Found in devices like power tools, where precise voltage comparison enhances operational safety and battery management).
- Computing and Data Storage: Part of power sequence controllers, ensuring correct voltage levels before allowing devices to power up, thus protecting sensitive digital components).
- Telecommunications: Used in signal conditioning applications to enhance data transmission integrity by removing noise or delineating signal levels).
- Transportation and Logistics: Monitors various voltage levels in electronic systems within vehicles or logistic frameworks, ensuring safe and efficient operation).
Q & A
- What is the package type of the LM2903MX/NOPB?
The LM2903MX/NOPB is housed in an 8-pin SOIC package.
- What is the operating temperature range of the LM2903MX/NOPB?
The operating temperature range is -40°C to 85°C.
- What is the supply voltage range for the LM2903MX/NOPB?
The supply voltage range is 2V to 36V, with single or dual supplies from ±1.0 V to ±18 V.
- What is the input offset voltage of the LM2903MX/NOPB?
The input offset voltage is ±7 mV.
- Is the LM2903MX/NOPB RoHS compliant?
Yes, the LM2903MX/NOPB is RoHS compliant.
- What is the response time of the LM2903MX/NOPB?
The response time is 1.5 μs.
- What are some typical applications of the LM2903MX/NOPB?
Typical applications include industrial automation, consumer electronics, computing and data storage, telecommunications, and transportation and logistics.
- What is the maximum output current of the LM2903MX/NOPB?
The maximum output current is 16 mA.
- Is the LM2903MX/NOPB lead-free?
Yes, the LM2903MX/NOPB is lead-free.
- What is the input bias current of the LM2903MX/NOPB?
The input bias current is 250 nA.
