Overview
The LM3302DRG4, produced by Texas Instruments, is a quad voltage comparator integrated circuit designed to operate from a single power supply or dual supplies. This device is highly versatile, offering a wide range of supply voltage from 2 V to 28 V, making it suitable for various applications. The LM3302DRG4 features low supply-current drain, low input bias and offset currents, and low input offset voltage, ensuring high accuracy and reliability in voltage comparison tasks.
Key Specifications
| Parameter | Typical Value | Minimum Value | Maximum Value | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | - | 2 V | 28 V | V |
| Supply Current (ICC) | 0.8 mA | - | - | mA |
| Input Offset Voltage (VIO) | 3 mV | - | 40 mV | mV |
| Input Bias Current (IIB) | 25 nA | -25 nA | -1000 nA | nA |
| Input Offset Current (IIO) | 3 nA | - | 300 nA | nA |
| Common-Mode Input Voltage Range (VICR) | - | 0 V | VCC-1.5 V | V |
| Differential Input Voltage Range (VID) | - | -28 V | 28 V | V |
| Output Voltage (VO) | - | - | 28 V | V |
| Output Current (IO) | - | - | 20 mA | mA |
| Response Time | 1.3 µs | - | - | µs |
| Operating Temperature Range | - | -40°C | 85°C | °C |
Key Features
- Single supply or dual supplies operation with a wide range of supply voltage (2 V to 28 V).
- Low supply-current drain independent of supply voltage.
- Low input bias and offset currents.
- Low input offset voltage.
- Common-mode input voltage range includes ground.
- Differential input voltage range equal to maximum-rated supply voltage.
- Low output saturation voltage.
- Output compatible with TTL, MOS, and CMOS.
- Ability to connect outputs to achieve wired-AND relationships.
Applications
The LM3302DRG4 is suitable for a variety of applications, including:
- Voltage monitoring and detection in power supplies and battery management systems.
- Threshold detection in industrial control systems.
- Signal conditioning and comparison in medical devices.
- Automotive systems requiring robust voltage comparison.
- General-purpose voltage comparison in electronic circuits.
Q & A
- What is the supply voltage range for the LM3302DRG4? The LM3302DRG4 can operate from a single supply or dual supplies with a voltage range of 2 V to 28 V.
- What is the typical supply current for the LM3302DRG4? The typical supply current is 0.8 mA.
- What is the input offset voltage of the LM3302DRG4? The input offset voltage is typically 3 mV, with a maximum value of 40 mV.
- Is the output of the LM3302DRG4 compatible with other logic families? Yes, the output is compatible with TTL, MOS, and CMOS logic families.
- What is the common-mode input voltage range for the LM3302DRG4? The common-mode input voltage range is from 0 V to VCC-1.5 V.
- Can the outputs of the LM3302DRG4 be connected to achieve wired-AND relationships? Yes, the outputs can be connected to achieve wired-AND relationships.
- What is the maximum differential input voltage for the LM3302DRG4? The maximum differential input voltage is ±28 V.
- What is the response time of the LM3302DRG4? The response time is typically 1.3 µs for a 100-mV input step with 5-mV overdrive.
- What is the operating temperature range for the LM3302DRG4? The operating temperature range is from -40°C to 85°C.
- Is the LM3302DRG4 suitable for automotive applications? Yes, it is suitable for automotive systems due to its robust voltage comparison capabilities.
