Overview
The LM3302DR, manufactured by Texas Instruments, is a quad differential voltage comparator integrated circuit. This device is designed to operate from a single power supply or dual supplies, offering a wide range of supply voltage from 2 V to 28 V. It features four independent voltage comparators, making it versatile for various applications requiring multiple comparison functions. The LM3302DR is known for its low power consumption, low input bias current, and compatibility with TTL, MOS, and CMOS outputs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (Single/Dual) | 2 V to 28 V, ±1 V to ±14 V | V |
| Input Offset Voltage (Max) | 20 mV @ 28 V | mV |
| Input Bias Current (Max) | 0.5 µA @ 5 V | µA |
| Output Current (Typ) | 20 mA | mA |
| Quiescent Supply Current (Max) | 0.8 mA | mA |
| Operating Temperature Range | -40°C to 85°C | °C |
| Package Type | 14-SOIC (0.154", 3.90mm Width) | |
| Output Type | CMOS, MOS, Open-Collector, TTL | |
| Input Voltage Range | -0.3 V to 28 V | V |
| Output Voltage | Up to 28 V | V |
| Response Time (Typ) | 1.3 µs (100-mV input step with 5-mV overdrive) | µs |
Key Features
- Four independent voltage comparators.
- Single supply or dual supply operation with a wide range of supply voltage (2 V to 28 V).
- Low supply current drain independent of supply voltage (0.8 mA typ).
- Low input bias current (25 nA typ) and low input offset current (3 nA typ).
- Low input offset voltage (3 mV typ).
- Common-mode input voltage range includes ground.
- Differential input voltage range equal to maximum-rated supply voltage (±28 V).
- Low output saturation voltage.
- Output compatible with TTL, MOS, and CMOS.
- Unlimited duration of output short-circuit to ground.
Applications
The LM3302DR is suitable for a variety of applications, including:
- Industrial control systems.
- Automotive systems.
- Medical devices.
- Aerospace and defense systems.
- General-purpose comparison circuits in electronic devices.
Q & A
- What is the supply voltage range for the LM3302DR?
The LM3302DR can operate from a single supply voltage of 2 V to 28 V or dual supplies with a difference of 2 V to 28 V. - What is the typical quiescent supply current of the LM3302DR?
The typical quiescent supply current is 0.8 mA. - What is the maximum input offset voltage for the LM3302DR?
The maximum input offset voltage is 20 mV at 28 V. - What is the output current capability of the LM3302DR?
The output current capability is typically 20 mA. - Is the LM3302DR compatible with TTL, MOS, and CMOS outputs?
Yes, the LM3302DR is compatible with TTL, MOS, and CMOS outputs. - What is the operating temperature range of the LM3302DR?
The operating temperature range is -40°C to 85°C. - What package types are available for the LM3302DR?
The LM3302DR is available in 14-SOIC packages. - Can the outputs of the LM3302DR be connected to achieve wired-AND relationships?
Yes, the outputs can be connected to other open-collector outputs to achieve wired-AND relationships. - What is the response time of the LM3302DR for a 100-mV input step with 5-mV overdrive?
The response time is typically 1.3 µs. - Is the LM3302DR RoHS compliant?
Yes, the LM3302DR is RoHS compliant.
