Overview
The LM2901DRG4 is a quad differential comparator produced by Texas Instruments. It is designed to operate from a single power supply over a wide range of voltages, making it versatile for various applications. This component is part of the LMx39 and LM2901 family, known for their reliability and performance in different environmental conditions.
Key Specifications
| Parameter | Unit | Min | Max |
|---|---|---|---|
| Supply Voltage (VCC) | V | 2 | 36 |
| Differential Input Voltage (VID) | V | -36 | 36 |
| Input Pins (IN+, IN-) | V | -0.3 | 38 |
| Output Pin (OUT) | V | -0.3 | 38 |
| Output Sink Current | mA | 25 | |
| Junction Temperature (TJ) | °C | -40 | 125 |
| Storage Temperature (Tstg) | °C | -65 | 150 |
| Input Bias Current | nA | 3.5 | |
| Supply Current (ICC) per Comparator | mA | 0.2 | |
| Response Time | μs | 1.3 |
Key Features
- Single supply operation from 2 V to 36 V.
- Common-mode input voltage range includes ground.
- Differential input voltage range equal to maximum-rated supply voltage (±36 V).
- Low output saturation voltage.
- Output compatible with TTL, MOS, and CMOS.
- Low input offset voltage (typically 5 mV) and low input bias current (typically 3.5 nA).
- Faster response time of 1.3 μs.
- Extended temperature range: -40°C to 125°C for LM2901 devices.
Applications
- Industrial automation and control systems.
- Automotive systems, including HEV/EV power trains, infotainment, and body control modules.
- Medical devices requiring precise voltage comparisons.
- Aerospace and defense applications due to compliance with MIL-PRF-38535.
- General-purpose voltage comparison in various electronic circuits.
Q & A
- What is the operating voltage range of the LM2901DRG4? The LM2901DRG4 operates from a single supply voltage of 2 V to 36 V.
- What is the differential input voltage range of the LM2901DRG4? The differential input voltage range is equal to the maximum-rated supply voltage, which is ±36 V.
- Is the output of the LM2901DRG4 compatible with other logic families? Yes, the output is compatible with TTL, MOS, and CMOS logic families.
- What is the typical response time of the LM2901DRG4? The typical response time is 1.3 μs.
- What is the temperature range for the LM2901DRG4? The device is characterized for operation from -40°C to 125°C.
- How many comparators are included in the LM2901DRG4? The LM2901DRG4 includes four independent differential comparators.
- What is the typical input bias current of the LM2901DRG4? The typical input bias current is 3.5 nA.
- Is the LM2901DRG4 suitable for automotive applications? Yes, it is suitable for automotive applications, including HEV/EV power trains and infotainment systems.
- What is the package type of the LM2901DRG4? The LM2901DRG4 is available in a SOIC (D) package.
- Does the LM2901DRG4 have any special environmental ratings? Yes, it is compliant with MIL-PRF-38535 and has an extended temperature range.
