Overview
The LM293MDREP is a dual differential comparator integrated circuit produced by Texas Instruments. This device is designed to operate over a wide range of supply voltages, from 2 V to 36 V, and is characterized for operation in an extended temperature range of –55°C to 125°C. The LM293-EP is part of the LM293 family, known for its low supply-current drain, low input bias current, and low input offset voltage, making it suitable for various applications requiring precise voltage comparisons.
Key Specifications
| Parameter | Typical | Minimum | Maximum | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 5 V | 2 V | 36 V | V |
| Differential Input Voltage (VID) | ±36 V | ±36 V | V | |
| Input Offset Voltage (VIO) | 2 mV | -5 mV | 5 mV | mV |
| Input Bias Current (IIB) | 25 nA | -400 nA | 400 nA | nA |
| Common-Mode Input Voltage Range (VICR) | 0 V | VCC - 1.5 V | V | |
| Output Saturation Voltage (VOL) | 700 mV | mV | ||
| High-Level Output Current (IOH) | 1 μA | μA | ||
| Low-Level Output Current (IOL) | 6 mA | mA | ||
| Supply Current (ICC) | 0.4 mA | 2.5 mA | mA | |
| Response Time | 1.3 μs | μs |
Key Features
- Low supply-current drain independent of supply voltage.
- Low input bias current of 25 nA typical.
- Low input offset voltage of 2 mV typical.
- Common-mode input voltage range includes ground.
- Differential input voltage range equal to maximum-rated supply voltage (±36 V).
- Output compatible with TTL, MOS, and CMOS.
- Single supply or dual supplies operation.
- Enhanced product change notification and qualification pedigree.
- Wide range of supply voltage from 2 V to 36 V.
Applications
The LM293MDREP is versatile and can be used in a variety of applications, including:
- Voltage monitoring and detection.
- Threshold detection in industrial control systems.
- Automotive systems requiring wide temperature range operation.
- Medical devices needing precise voltage comparisons.
- Consumer electronics where low power consumption is crucial.
Q & A
- What is the operating temperature range of the LM293MDREP?
The LM293MDREP operates from –55°C to 125°C. - What is the typical supply current of the LM293MDREP?
The typical supply current is 0.4 mA per comparator. - Can the LM293MDREP operate with a single power supply?
Yes, it can operate from a single power supply over a wide range of voltages. - What is the maximum differential input voltage for the LM293MDREP?
The maximum differential input voltage is ±36 V. - Is the output of the LM293MDREP compatible with TTL, MOS, and CMOS?
Yes, the output is compatible with TTL, MOS, and CMOS. - What is the typical response time of the LM293MDREP?
The typical response time is 1.3 μs. - What is the input offset voltage of the LM293MDREP?
The typical input offset voltage is 2 mV. - Can the inputs of the LM293MDREP go below ground?
No, the inputs should not be allowed to go negative by more than 0.3 V. - What is the maximum output current of the LM293MDREP?
The maximum output current is 20 mA. - Is the LM293MDREP qualified according to industry standards?
Yes, it is qualified in accordance with JEDEC and industry standards.
