Overview
The TLC274ACDR is a quad operational amplifier from Texas Instruments, part of the TLC274 and TLC279 family. These devices utilize Texas Instruments' silicon-gate LinCMOS technology, offering high precision and stability. The TLC274ACDR is characterized by its low input offset voltage, high input impedance, and low noise, making it suitable for a wide range of applications, including transducer interfacing, analog calculations, amplifier blocks, active filters, and signal buffering.
Key Specifications
| Parameter | Test Conditions | Typical Value | Maximum Value | Unit |
|---|---|---|---|---|
| Input Offset Voltage (VIO) | VO = 1.4 V, VIC = 0, 25°C | 0.9 | 5 | mV |
| Input Offset Voltage Drift | 25°C to 70°C | 1.8 | - | µV/°C |
| Input Bias Current (IIB) | 25°C | 3.8 | 8 | pA |
| Input Offset Current (IIO) | 25°C | 0.1 | 60 | pA |
| Supply Voltage Range | 0°C to 70°C | - | 3 V to 16 V | V |
| Supply Current (IDD) | VO = 5 V, No load, 25°C | 4.5 | 8.8 | mA |
| Common-Mode Input Voltage Range | - | - | Below the negative rail | - |
| Output Voltage Range | - | - | Includes negative rail | - |
| High Input Impedance | - | 10^12 | - | Ω |
| Noise | f = 1 kHz | 25 | - | nV/√Hz |
Key Features
- Low input offset voltage and drift, with a maximum of 5 mV at 25°C and 1.8 µV/°C drift from 25°C to 70°C.
- High input impedance of 10^12 Ω.
- Low noise, typically 25 nV/√Hz at f = 1 kHz.
- Single-supply operation with a supply voltage range of 3 V to 16 V.
- Common-mode input voltage range extends below the negative rail.
- Output voltage range includes the negative rail.
- Internal ESD-protection circuits up to 2000 V as per MIL-STD-883C, Method 3015.2.
- Designed-in latch-up immunity and ability to withstand −100-mA surge currents.
- Available in various packaging options including small-outline and chip-carrier versions.
Applications
- Transducer interfacing.
- Analog calculations and amplifier blocks.
- Active filters and signal buffering.
- Remote and inaccessible battery-powered applications due to low voltage single-supply operation.
- High-density system applications with various packaging options.
Q & A
- What is the input offset voltage of the TLC274ACDR?
The input offset voltage (VIO) of the TLC274ACDR is typically 0.9 mV and a maximum of 5 mV at 25°C.
- What is the input offset voltage drift of the TLC274ACDR?
The input offset voltage drift is typically 1.8 µV/°C from 25°C to 70°C.
- What is the supply voltage range for the TLC274ACDR?
The supply voltage range is from 3 V to 16 V for temperatures between 0°C and 70°C.
- Does the TLC274ACDR support single-supply operation?
Yes, the TLC274ACDR supports single-supply operation.
- What is the common-mode input voltage range of the TLC274ACDR?
The common-mode input voltage range extends below the negative rail.
- What is the output voltage range of the TLC274ACDR?
The output voltage range includes the negative rail.
- Does the TLC274ACDR have ESD protection?
Yes, the TLC274ACDR has internal ESD-protection circuits up to 2000 V as per MIL-STD-883C, Method 3015.2.
- What are the packaging options available for the TLC274ACDR?
The TLC274ACDR is available in various packaging options including small-outline and chip-carrier versions.
- What are some typical applications of the TLC274ACDR?
Typical applications include transducer interfacing, analog calculations, amplifier blocks, active filters, and signal buffering.
- How does the TLC274ACDR handle surge currents?
The device inputs and outputs are designed to withstand −100-mA surge currents without sustaining latch-up.
