Overview
The LM2903AVQDRQ1 is a next-generation dual differential comparator from Texas Instruments, designed to provide outstanding value for cost-sensitive applications. This device is part of the LM2903-Q1 family, which offers improved performance over previous generations. It features lower offset voltage, higher supply voltage capability, lower supply current, lower input bias current, and lower propagation delay. Additionally, it boasts improved 2kV ESD performance and the convenience of drop-in replacement. The LM2903AVQDRQ1 is qualified for automotive applications and meets the AEC-Q100 standards for Grade 1 and Grade 0 temperature ranges.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | SOIC-8 |
| Operating Temperature Range (°C) | -40 to 125 (Grade 1), -40 to 150 (Grade 0) |
| Supply Voltage Range | 2V to 36V |
| Supply Current per Comparator | 200uA typical |
| Input Bias Current | 3.5nA typical |
| Input Offset Current | 0.5nA typical |
| Input Offset Voltage | ±0.37mV typical |
| Common-Mode Input Voltage Range | Includes ground |
| Differential Input Voltage Range | Equal to maximum-rated supply voltage ±36 V |
| Output Compatibility | TTL, MOS, and CMOS |
| ESD Performance | Improved 2kV HBM ESD for 'B' device |
Key Features
- Qualified for automotive applications and meets AEC-Q100 standards for Grade 1 and Grade 0 temperature ranges.
- Single supply or dual supplies operation.
- Low supply-current independent of supply voltage.
- Low input bias current and low input offset current.
- Low input offset voltage.
- 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.
- Improved 2kV HBM ESD performance.
- Tri-Temp testing available for 'B' device.
Applications
The LM2903AVQDRQ1 is suitable for a variety of applications, particularly in the automotive sector due to its AEC-Q100 qualification. It can be used in systems requiring high reliability and robust performance, such as in automotive control systems, industrial automation, and other cost-sensitive applications where precision and low power consumption are critical.
Q & A
- What is the operating temperature range of the LM2903AVQDRQ1? The operating temperature range is -40°C to 125°C for Grade 1 and -40°C to 150°C for Grade 0.
- What is the typical supply current per comparator? The typical supply current per comparator is 200uA.
- What is the input bias current of the LM2903AVQDRQ1? The input bias current is 3.5nA typical.
- What is the input offset voltage of the LM2903AVQDRQ1? The input offset voltage is ±0.37mV typical.
- Is the LM2903AVQDRQ1 compatible with TTL, MOS, and CMOS outputs? Yes, it is compatible with TTL, MOS, and CMOS outputs.
- What is the ESD performance of the LM2903AVQDRQ1? It has improved 2kV HBM ESD performance for 'B' devices.
- Can the LM2903AVQDRQ1 operate from dual supplies? Yes, it can operate from dual supplies as long as the difference between the two supplies is within 2V to 36V.
- What is the common-mode input voltage range of the LM2903AVQDRQ1? The common-mode input voltage range includes ground.
- Is the LM2903AVQDRQ1 qualified for automotive applications? Yes, it is qualified for automotive applications and meets AEC-Q100 standards.
- What is the differential input voltage range of the LM2903AVQDRQ1? The differential input voltage range is equal to the maximum-rated supply voltage ±36 V.
