Overview
The LM2901AVQDR is a quad differential comparator from Texas Instruments, designed to operate over a wide range of voltages. This device is part of the next-generation family of comparators, offering improved specifications such as lower offset voltage, higher supply voltage capability, lower supply current, and enhanced ESD performance. It is particularly suited for cost-sensitive applications and is qualified for automotive use, meeting the AEC-Q100 Grade 1 temperature range of –40°C to +125°C.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (Single Supply) | 2 | 32 | V | |
| Supply Voltage (Dual Supplies) | ±1 | ±18 | V | |
| Input Offset Voltage | ±0.37 | mV | ||
| Input Bias Current | 3.5 | nA | ||
| Input Offset Current | 0.5 | nA | ||
| Common-Mode Input Voltage Range | 0 | VCC - 1.5 | V | |
| Differential Input Voltage Range | ±36 V | V | ||
| Supply Current (per comparator) | 200 | µA | ||
| Operating Temperature Range | –40 | 125 | °C | |
| Package Type | TSSOP (PW) | |||
| Pins | 14 |
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.
- Low supply current: 200 µA typical per comparator.
- Low input bias current: 3.5 nA typical.
- Low input offset voltage: ±0.37 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.
- Functional Safety-Capable.
Applications
The LM2901AVQDR is versatile and can be used in a variety of applications, including:
- Automotive systems: Due to its AEC-Q100 qualification, it is suitable for use in automotive electronics.
- Industrial control systems: For monitoring and controlling various parameters.
- Medical devices: Where precise voltage comparisons are necessary.
- Consumer electronics: In devices requiring reliable and efficient voltage comparison.
- Power management: For voltage monitoring and regulation.
Q & A
- What is the operating temperature range of the LM2901AVQDR?
The operating temperature range is –40°C to +125°C.
- What is the maximum supply voltage for the LM2901AVQDR?
The maximum supply voltage is 32 V for V-suffix devices.
- What is the typical input offset voltage of the LM2901AVQDR?
The typical input offset voltage is ±0.37 mV.
- Is the LM2901AVQDR compatible with TTL, MOS, and CMOS outputs?
- What is the typical supply current per comparator for the LM2901AVQDR?
The typical supply current per comparator is 200 µA.
- Can the LM2901AVQDR operate from dual supplies?
- What is the common-mode input voltage range for the LM2901AVQDR?
The common-mode input voltage range includes ground up to VCC - 1.5 V.
- Is the LM2901AVQDR qualified for automotive applications?
- What is the differential input voltage range for the LM2901AVQDR?
The differential input voltage range is equal to the maximum-rated supply voltage ±36 V.
- What package type is the LM2901AVQDR available in?
