Overview
The TLC274CNS is a high-performance quad operational amplifier integrated circuit (IC) designed and manufactured by Texas Instruments (TI). This precision op-amp is part of the LinCMOS™ family, utilizing Texas Instruments' silicon-gate LinCMOS™ technology, which provides offset voltage stability far exceeding that of conventional metal-gate processes. The TLC274CNS combines a wide range of input offset voltage grades with low offset voltage drift, high input impedance, low noise, and speeds approaching those of general-purpose BiFET devices. It is suitable for a broad range of applications due to its versatility and reliability.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 14-pin NS (Small-Outline Package) |
| Operating Temperature Range | 0°C to 70°C (C-suffix), -40°C to 85°C (I-suffix), -55°C to 125°C (M-suffix) |
| Supply Voltage Range | 3 V to 16 V (0°C to 70°C), 4 V to 16 V (-40°C to 85°C and -55°C to 125°C) |
| Input Offset Voltage | 10 mV (TLC274), 900 uV (TLC279) |
| Input Offset Voltage Drift | Typically 0.1 uV/Month, including the first 30 days |
| Gain Bandwidth Product | 2.2 MHz |
| Slew Rate | High slew rates |
| Noise | Typically 25 nV/Hz at f = 1 kHz |
| Input Impedance | High input impedance (typically 10^12 Ω) |
| ESD Protection | Internal ESD-protection circuits up to 2000 V (MIL-STD-883C, Method 3015.2) |
Key Features
- Trimmed Offset Voltage: Low input offset voltage grades, including 10 mV for TLC274 and 900 uV for TLC279.
- Low Offset Voltage Drift: Typically 0.1 uV/Month, including the first 30 days.
- Wide Range of Supply Voltages: Operates from 3 V to 16 V over specified temperature ranges.
- Single-Supply Operation: Suitable for remote and inaccessible battery-powered applications.
- Common-Mode Input Voltage Range: Extends below the negative rail (C-suffix and I-suffix versions).
- Low Noise: Typically 25 nV/Hz at f = 1 kHz.
- High Input Impedance: Typically 10^12 Ω.
- ESD-Protection Circuitry: Internal protection up to 2000 V (MIL-STD-883C, Method 3015.2).
- Designed-In Latch-Up Immunity: Inputs and outputs designed to withstand -100-mA surge currents without sustaining latch-up.
Applications
The TLC274CNS is widely utilized in various applications, including:
- Transducer interfacing
- Analog calculations
- Amplifier blocks
- Active filters
- Signal buffering
- Industrial and automotive systems
- Consumer electronics
- Remote and inaccessible battery-powered applications
Its versatility and reliability make it an excellent choice for new state-of-the-art designs as well as for upgrading existing designs.
Q & A
- What is the TLC274CNS?
The TLC274CNS is a high-performance quad operational amplifier integrated circuit (IC) designed by Texas Instruments.
- What technology does the TLC274CNS use?
The TLC274CNS uses Texas Instruments' silicon-gate LinCMOS™ technology.
- What are the operating temperature ranges for the TLC274CNS?
The operating temperature ranges are 0°C to 70°C (C-suffix), -40°C to 85°C (I-suffix), and -55°C to 125°C (M-suffix).
- What is the supply voltage range for the TLC274CNS?
The supply voltage range is 3 V to 16 V (0°C to 70°C), and 4 V to 16 V (-40°C to 85°C and -55°C to 125°C).
- What is the input offset voltage of the TLC274CNS?
The input offset voltage is 10 mV for the TLC274 and 900 uV for the TLC279.
- Does the TLC274CNS have ESD protection?
Yes, it has internal ESD-protection circuits up to 2000 V (MIL-STD-883C, Method 3015.2).
- What are some common applications of the TLC274CNS?
Common applications include transducer interfacing, analog calculations, amplifier blocks, active filters, signal buffering, and more.
- Is the TLC274CNS suitable for battery-powered applications?
Yes, it is suitable for remote and inaccessible battery-powered applications due to its single-supply operation.
- What is the gain bandwidth product of the TLC274CNS?
The gain bandwidth product is 2.2 MHz.
- Does the TLC274CNS have high input impedance?
Yes, it has high input impedance, typically 10^12 Ω.
- Is the TLC274CNS RoHS compliant?
Yes, the TLC274CNS is RoHS compliant, meaning it adheres to environmental regulations by avoiding the use of certain hazardous substances.
