Overview
The LM2901V-Q1, produced by Texas Instruments, is a next-generation, enhanced-voltage quad differential comparator. This device is part of the industry-standard LM2901x-Q1 comparator family and is designed to provide outstanding value for cost-sensitive applications. It features lower offset voltage, higher supply voltage capability, lower supply current, lower input bias current, lower propagation delay, and improved 2kV ESD performance. The LM2901V-Q1 is qualified for automotive applications and meets the AEC-Q100 Grade 1 temperature range of -40°C to +125°C.
Key Specifications
| Parameter | Minimum | Typical | Maximum | Unit |
|---|---|---|---|---|
| Supply Voltage (VS) | 2 | - | 32 | V |
| Differential Input Voltage (VID) | -36 | - | 36 | V |
| Input Voltage Range (VI) | -0.3 | - | 36 | V |
| Input Bias Current (IB) | -50 | -3.5 | 50 | nA |
| Input Offset Current (IOS) | -50 | ±0.5 | 50 | nA |
| Input Offset Voltage (VIO) | -5.5 | ±0.37 | 5.5 | mV |
| Common Mode Range (VCM) | (V–) | - | (V+) - 2.0 | V |
| Output Voltage (VO) | - | - | 36 | V |
| Output Current (IO) | 0 | - | 4 | mA |
| Ambient Temperature (TA) | -40 | - | 125 | °C |
| Junction Temperature (TJ) | - | - | 150 | °C |
Key Features
- Qualified for automotive applications and meets AEC-Q100 Grade 1 temperature range of -40°C to +125°C.
- Improved 2 kV HBM ESD performance for 'B' devices.
- Single supply or dual supplies operation with a difference between the two supplies within 2 V to 36 V.
- Low supply-current independent of supply voltage, typically 200 uA per comparator for 'B' versions.
- Low input bias current of 3.5 nA typical and low input offset current of 0.5 nA typical for 'B' devices.
- Low input offset voltage of ±0.37 mV typical for 'B' devices.
- 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.
- Functional Safety-Capable with documentation available to aid functional safety system design.
Applications
- Automotive: HEV/EV and power train, infotainment and cluster, body control module.
- Industrial applications.
- Appliances.
Q & A
- What is the operating temperature range of the LM2901V-Q1?
The LM2901V-Q1 operates within the temperature range of -40°C to +125°C. - What are the supply voltage ranges for the LM2901V-Q1?
The supply voltage range is from 2 V to 32 V. - What is the typical input bias current of the LM2901V-Q1 'B' version?
The typical input bias current is -3.5 nA. - Can the LM2901V-Q1 operate with dual supplies?
Yes, it can operate with dual supplies as long as the difference between the two supplies is within 2 V to 36 V. - What is the common-mode input voltage range for the LM2901V-Q1?
The common-mode input voltage range includes ground and up to VCC - 2.0 V. - Is the LM2901V-Q1 compatible with TTL, MOS, and CMOS outputs?
Yes, it is compatible with TTL, MOS, and CMOS outputs. - What is the maximum differential input voltage for the LM2901V-Q1?
The maximum differential input voltage is ±36 V. - Does the LM2901V-Q1 have any specific ESD ratings?
Yes, it has a Human-body model (HBM) ESD rating of ±2000 V and a Charged-device model (CDM) ESD rating of ±1000 V. - What are some typical applications of the LM2901V-Q1?
Typical applications include automotive (HEV/EV and power train, infotainment and cluster, body control module), industrial applications, and appliances. - Is the LM2901V-Q1 functional safety-capable?
Yes, it is functional safety-capable with documentation available to aid in functional safety system design.
