Overview
The LM393BIDSGR is a dual voltage comparator from Texas Instruments, part of the next-generation B-version comparator family. This device is designed to offer improved specifications over its predecessors, including lower offset voltage, higher supply voltage capability, lower supply current, and lower input bias current. It is compatible with a wide range of applications and can operate from a single power supply over a broad voltage range. The LM393BIDSGR is available in a compact 2 x 2mm WSON package, making it suitable for space-constrained designs.
Key Specifications
| Parameter | Test Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Offset Voltage (VIO) | VS = 5 to 36V, TA = 25°C | -2.5 | ±0.37 | 2.5 | mV |
| Input Bias Current (IB) | TA = 25°C | -3.5 | -25 | -50 | nA |
| Common Mode Range (VCM) | VS = 3 to 36V | (V-) to (V+) - 1.5 | V | ||
| Supply Current (ICC) | VCC = 5V, RL = ∞ | 0.60 | 1 | 2.5 | mA |
| Response Time | Typical | 1 | µsec | ||
| ESD Rating (HBM) | 2000 | V | |||
| Temperature Range | -40 | 85 | °C |
Key Features
- Lower input offset voltage: ±0.37mV
- Higher supply voltage capability: up to 38V
- Lower supply current: 200µA per comparator
- Lower input bias current: 3.5nA
- Faster response time: 1µsec
- Extended temperature range: -40°C to 85°C
- Available in a compact 2 x 2mm WSON package
- Drop-in replacement for LM293, LM393, and LM2903 (A and V versions)
- Common-mode input voltage range includes ground
- Differential input voltage range equal to maximum-rated supply voltage: ±38 V
- Low output saturation voltage
- Output compatible with TTL, MOS, and CMOS
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 input offset voltage of the LM393BIDSGR?
The input offset voltage is typically ±0.37mV, with a maximum of ±2.5mV over the temperature range. - What is the maximum supply voltage for the LM393BIDSGR?
The maximum supply voltage is up to 38V. - What is the typical supply current per comparator?
The typical supply current per comparator is 200µA. - What is the input bias current of the LM393BIDSGR?
The input bias current is typically 3.5nA. - What is the response time of the LM393BIDSGR?
The response time is typically 1µsec. - What is the temperature range of the LM393BIDSGR?
The temperature range is -40°C to 85°C. - In what package is the LM393BIDSGR available?
The LM393BIDSGR is available in a 2 x 2mm WSON package. - Can the LM393BIDSGR replace other comparator models?
Yes, it can drop-in replace LM293, LM393, and LM2903 (A and V versions). - What is the common-mode input voltage range of the LM393BIDSGR?
The common-mode input voltage range includes ground and extends up to VCC - 2V. - Is the output of the LM393BIDSGR compatible with other logic families?
Yes, the output is compatible with TTL, MOS, and CMOS logic families.
