Overview
The TLC374CPWR is a quadruple differential comparator manufactured by Texas Instruments, utilizing LinCMOS technology. This device is designed to operate from a single power supply or dual supplies within a range of 2 V to 18 V. It features four independent voltage comparators, each with extremely high input impedance, making it suitable for direct interfacing with high-impedance sources. The TLC374CPWR is characterized for operation over various temperature ranges, including 0°C to 70°C for the TLC374C, -40°C to 85°C for the TLC374I, -55°C to 125°C for the TLC374M, and -40°C to 125°C for the TLC374Q.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 2 V to 18 V | V |
| Supply Current (Typical at 5 V) | 0.3 mA | mA |
| Response Time (Typical for TTL-Level Input Step) | 200 ns | ns |
| Input Offset Voltage | 1 to 5 mV | mV |
| Input Bias Current | 5 pA | pA |
| Common-Mode Input Voltage Range | 0 to VDD-1 | V |
| Output Type | n-channel open-drain (compatible with TTL, MOS, CMOS) | |
| Operating Temperature Range | 0°C to 70°C (TLC374C), -40°C to 85°C (TLC374I), -55°C to 125°C (TLC374M), -40°C to 125°C (TLC374Q) | °C |
| Package Type | 14-Pin TSSOP | |
| ESD Protection | 1000-V ESD rating using human body model testing |
Key Features
- Single- or dual-supply operation with a wide range of supply voltages (2 V to 18 V)
- Very low supply current drain (0.3 mA typical at 5 V)
- Fast response time (200 ns typical for TTL-level input step)
- Built-in ESD protection (1000-V ESD rating using human body model testing)
- High input impedance (typically greater than 10^12 Ω)
- Extremely low input bias current (5 pA typical)
- Ultrastable low input offset voltage
- Common-mode input voltage range includes ground
- Outputs compatible with TTL, MOS, and CMOS
- Pin-compatible with LM339
Applications
The TLC374CPWR is versatile and can be used in a variety of applications, including:
- Industrial control systems
- Medical devices requiring high precision and low power consumption
- Aerospace and military applications due to its full military temperature range options
- Automotive systems where robustness and reliability are crucial
- General-purpose comparator applications in consumer electronics
Q & A
- What is the supply voltage range of the TLC374CPWR?
The TLC374CPWR operates within a supply voltage range of 2 V to 18 V.
- What is the typical supply current of the TLC374CPWR at 5 V?
The typical supply current is 0.3 mA at 5 V.
- What is the response time of the TLC374CPWR for a TTL-level input step?
The response time is typically 200 ns for a TTL-level input step.
- What is the input offset voltage of the TLC374CPWR?
The input offset voltage ranges from 1 to 5 mV.
- Does the TLC374CPWR have built-in ESD protection?
Yes, it has built-in ESD protection with a 1000-V ESD rating using human body model testing.
- What is the input impedance of the TLC374CPWR?
The input impedance is typically greater than 10^12 Ω.
- What is the common-mode input voltage range of the TLC374CPWR?
The common-mode input voltage range includes ground and goes up to VDD-1.
- Are the outputs of the TLC374CPWR compatible with other logic families?
Yes, the outputs are compatible with TTL, MOS, and CMOS.
- Is the TLC374CPWR pin-compatible with other comparators?
Yes, it is pin-compatible with the LM339.
- What are the operating temperature ranges for the TLC374CPWR?
The operating temperature ranges vary by model: 0°C to 70°C for TLC374C, -40°C to 85°C for TLC374I, -55°C to 125°C for TLC374M, and -40°C to 125°C for TLC374Q.
