Overview
The LM2903DG4, produced by Texas Instruments, is a part of the LM2903 family of dual differential comparators. This device is designed to operate from a single power supply over a wide range of voltages, making it versatile for various applications. The LM2903DG4 is particularly known for its improved specifications, including lower input offset voltage, lower supply current, and enhanced ESD performance. It is available in a compact VSSOP (DG4) package, making it suitable for space-constrained designs.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage | 2 | - | 36 | V |
| Total Supply Current (5V to 36V max) | 0.6 | - | 0.8 | mA |
| Temperature Range | -40 | - | 125 | °C |
| ESD (HBM) | - | - | 2000 | V |
| Input Offset Voltage (Max over temp) | -4 | - | 4 | mV |
| Input Bias Current (typ / max) | -3.5 / -25 | - | -50 | nA |
| Response Time (typ) | - | 1 | - | µsec |
| Common Mode Range | -1.5 | - | -2.0 | V |
| Low Level Output Voltage | 110 | - | 400 | mV |
Key Features
- Low input offset voltage: ±0.37 mV (typical) and ±4 mV (maximum over temperature).
- Low input bias current: 3.5 nA (typical) and 25 nA (maximum).
- Low supply current: 0.6 to 0.8 mA (5V to 36V max).
- Faster response time: 1 µsec (typical).
- Extended temperature range: -40°C to 125°C.
- High ESD rating: 2000 V (HBM).
- Output compatible with TTL, MOS, and CMOS.
- Available in compact VSSOP (DG4) package).
Applications
- Vacuum robots
- Single-phase UPS
- Server power supplies
- Cordless power tools
- Wireless infrastructure
- Appliances
- Building automation
- Factory automation and control
- Motor drives
- Infotainment and cluster systems).
Q & A
- What is the maximum supply voltage for the LM2903DG4?
The maximum supply voltage for the LM2903DG4 is 36 V).
- What is the typical input offset voltage of the LM2903DG4?
The typical input offset voltage is ±0.37 mV).
- What is the response time of the LM2903DG4?
The typical response time is 1 µsec).
- What is the temperature range for the LM2903DG4?
The temperature range is -40°C to 125°C).
- What is the ESD rating of the LM2903DG4?
The ESD rating is 2000 V (HBM)).
- In what package is the LM2903DG4 available?
The LM2903DG4 is available in a VSSOP (DG4) package).
- Is the output of the LM2903DG4 compatible with TTL, MOS, and CMOS?
- What are some common applications of the LM2903DG4?
- What is the typical supply current of the LM2903DG4?
- Can the LM2903DG4 be used in safety-critical applications?
