Overview
The TLC374IDR is a quadruple differential comparator integrated circuit produced by Texas Instruments. It is fabricated using LinCMOS technology, which ensures high input impedance and low power consumption. This device is designed to operate from a single power supply or dual supplies, with a wide range of supply voltages from 2 V to 18 V. The TLC374IDR features four independent voltage comparators, making it versatile for various applications requiring multiple comparison functions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Texas Instruments | |
| Package Type | 14-SOIC (Small Outline) | |
| No. of Terminals | 14 | |
| Operating Temperature Range | -40°C to 85°C | °C |
| Supply Voltage Range | 2 V to 18 V (Single), ±1.5 V to ±8 V (Dual) | V |
| Supply Current (Typical at 5 V) | 0.3 mA | mA |
| Maximum Supply Current | 600 µA | µA |
| Input Offset Voltage (Typical) | 5 mV | mV |
| Input Bias Current (Typical at 5 V) | 5 pA | pA |
| Response Time (Typical for TTL-Level Input Step) | 200 ns | ns |
| Output Type | Open-Drain, Compatible with TTL, MOS, and CMOS | |
| ESD Protection | 1000-V Human Body Model |
Key Features
- Single- or Dual-Supply Operation: Can operate from a single power supply or dual supplies with a range of 2 V to 18 V.
- Very Low Supply Current Drain: Typical supply current of 0.3 mA at 5 V.
- Fast Response Time: Typical response time of 200 ns for TTL-level input steps.
- High Input Impedance: Typically greater than 10^12 Ω.
- Extremely Low Input Bias Current: Typical input bias current of 5 pA.
- Ultrastable Low Input Offset Voltage: Input offset voltage change typically 0.23 µV/month.
- Common-Mode Input Voltage Range Includes Ground.
- Outputs Compatible With TTL, MOS, and CMOS.
- Built-In ESD Protection: 1000-V ESD rating using human body model testing.
- Pin-Compatible With LM339.
Applications
The TLC374IDR is suitable for a wide range of applications due to its versatility and robust features. Some common applications include:
- Analog-to-Digital Converters (ADCs): As a comparator in ADC circuits.
- Threshold Detectors: In systems requiring threshold detection and comparison.
- Level Shifters: For shifting voltage levels between different logic families.
- Window Comparators: In applications requiring the detection of signals within a specific voltage range.
- Industrial Control Systems: For monitoring and controlling various parameters in industrial environments.
Q & A
- What is the operating temperature range of the TLC374IDR?
The operating temperature range of the TLC374IDR is -40°C to 85°C.
- What are the supply voltage ranges for the TLC374IDR?
The TLC374IDR can operate from a single supply voltage of 2 V to 18 V or dual supplies with a range of ±1.5 V to ±8 V.
- What is the typical supply current of the TLC374IDR at 5 V?
The typical supply current is 0.3 mA at 5 V.
- What is the response time of the TLC374IDR for a TTL-level input step?
The typical response time is 200 ns for a TTL-level input step.
- What is the input impedance of the TLC374IDR?
The input impedance is typically greater than 10^12 Ω.
- Does the TLC374IDR have built-in ESD protection?
Yes, it has built-in ESD protection with a 1000-V ESD rating using the human body model.
- What types of outputs are compatible with the TLC374IDR?
The outputs are compatible with TTL, MOS, and CMOS logic families.
- Is the TLC374IDR pin-compatible with other comparators?
Yes, it is pin-compatible with the LM339.
- What is the typical input bias current of the TLC374IDR?
The typical input bias current is 5 pA.
- What is the maximum input offset voltage of the TLC374IDR?
The maximum input offset voltage is 5 mV.
