Overview
The LM2901NG4, produced by Texas Instruments, is a quad voltage comparator integrated circuit. This device is part of the LM2901 series, known for its high performance and versatility in various analog and digital applications. The LM2901NG4 is designed to operate from a single power supply over a wide range of voltages, making it suitable for a variety of electronic systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VS) | 2 - 36 | V |
| Differential Input Voltage (VID) | ±38 | V |
| Input Pins Voltage Range | -0.3 to 38 | V |
| Output Sink Current | 25 | mA |
| Input Bias Current | 25 nA | nA |
| Input Offset Voltage | 2 mV (Non-A Device), 1 mV (A Device) | mV |
| Response Time | 1.3 μs | μs |
| Ambient Temperature Range | -40 to 125 °C | °C |
| Package Type | 14-DIP (0.300, 7.62mm) |
Key Features
- Low Supply Current: The LM2901NG4 has a low supply current of 0.9 mA, independent of the supply voltage.
- Low Input Bias Current: It features a low input bias current of 25 nA.
- Low Input Offset Voltage: The input offset voltage is typically 2 mV for non-A devices and 1 mV for A devices.
- Common-Mode Input Voltage Range: The common-mode input voltage range includes ground and can go up to VCC - 1.5 V.
- Differential Input Voltage Range: The differential input voltage range is equal to the maximum-rated supply voltage, ±38 V.
- Output Compatibility: The output is compatible with TTL, MOS, and CMOS logic.
- Low Output Saturation Voltage: The output saturation voltage is typically 100 mV at 4 mA.
- Environmental Robustness: The device is designed to operate over a wide temperature range and is RoHS compliant.
Applications
The LM2901NG4 is versatile and can be used in a variety of applications, including:
- Analog-to-Digital Conversion: It can be used in analog-to-digital converters due to its precise comparison capabilities.
- Threshold Detection: Suitable for threshold detection circuits where precise voltage comparison is required.
- Power Supply Monitoring: Can be used to monitor power supply voltages and detect under/overvoltage conditions.
- Industrial Control Systems: Used in industrial control systems for signal comparison and threshold detection.
- Automotive Systems: Applicable in automotive systems for various sensor and signal processing tasks.
Q & A
- What is the supply voltage range for the LM2901NG4?
The supply voltage range for the LM2901NG4 is from 2 V to 36 V.
- What is the typical input offset voltage for the LM2901NG4?
The typical input offset voltage is 2 mV for non-A devices and 1 mV for A devices.
- What is the response time of the LM2901NG4?
The response time is typically 1.3 μs.
- Is the output of the LM2901NG4 compatible with TTL, MOS, and CMOS logic?
- What is the common-mode input voltage range for the LM2901NG4?
The common-mode input voltage range includes ground and can go up to VCC - 1.5 V.
- What is the differential input voltage range for the LM2901NG4?
The differential input voltage range is equal to the maximum-rated supply voltage, ±38 V.
- What is the typical output saturation voltage for the LM2901NG4?
The typical output saturation voltage is 100 mV at 4 mA.
- Is the LM2901NG4 RoHS compliant?
- What is the ambient temperature range for the LM2901NG4?
The ambient temperature range is from -40 °C to 125 °C.
- What package type is the LM2901NG4 available in?
The LM2901NG4 is available in a 14-DIP (0.300, 7.62mm) package.
