Overview
The TLC274IPWR is a quad operational amplifier produced by Texas Instruments. It is part of the TLC274 and TLC279 series, which are known for their high precision and stability. These devices utilize Texas Instruments' silicon-gate LinCMOS technology, providing offset voltage stability that exceeds conventional metal-gate processes. The TLC274IPWR is particularly noted for its low offset voltage drift, high input impedance, low noise, and speeds comparable to general-purpose BiFET devices. This makes it an ideal choice for a wide range of applications, including transducer interfacing, analog calculations, amplifier blocks, active filters, and signal buffering.
Key Specifications
| Parameter | Value | Unit | Conditions |
|---|---|---|---|
| Package | TSSOP (PW) | - | - |
| Pins | 14 | - | - |
| Operating Temperature Range | -40 to 85 | °C | - |
| Supply Voltage Range | 3 V to 16 V (0°C to 70°C) 4 V to 16 V (-40°C to 85°C) 4 V to 16 V (-55°C to 125°C) | V | - |
| Input Offset Voltage | 1.1 to 10 mV (TLC274I) | mV | VO = 1.4 V, VIC = 0, 25°C |
| Input Offset Voltage Drift | Typically 0.1 µV/Month | µV/Month | Including the first 30 days |
| Common-Mode Input Voltage Range | -0.2 to 4 V (25°C) | V | - |
| High-Level Output Voltage | 3 to 3.8 V (VID = 100 mV, RL = 10 kΩ) | V | 0°C to 70°C |
| Low-Level Output Voltage | 0 to 50 mV (VID = -100 mV, IOL = 0) | mV | 0°C to 70°C |
| Input Bias Current | 0.6 to 60 pA (25°C) | pA | VO = 2.5 V, VIC = 2.5 V |
| ESD Protection | Up to 2000 V (MIL-STD-883C, Method 3015.2) | V | - |
Key Features
- Trimmed Offset Voltage: The TLC274IPWR offers low input offset voltage, with the TLC274 series ranging from 10 mV to the high-precision TLC279 at 900 µV.
- Low Offset Voltage Drift: Typically 0.1 µV/Month, including the first 30 days, ensuring long-term stability.
- Wide Range of Supply Voltages: Operates from 3 V to 16 V over various temperature ranges.
- Single-Supply Operation: Suitable for remote and inaccessible battery-powered applications.
- High Input Impedance: Extremely high input impedance and low bias currents, making it ideal for applications previously reserved for BiFET and NFET products.
- Low Noise: Typically 25 nV/Hz at f = 1 kHz.
- Common-Mode Input Voltage Range: Extends below the negative rail (C-suffix and I-suffix versions)).
- Output Voltage Range: Includes the negative rail).
- ESD Protection: Internal ESD-protection circuits up to 2000 V as tested under MIL-STD-883C, Method 3015.2).
- Latch-Up Immunity: Designed to withstand -100-mA surge currents without sustaining latch-up).
Applications
The TLC274IPWR is versatile and can be used in a variety of applications, including:
- Transducer Interfacing: Ideal for interfacing with transducers due to its high input impedance and low noise).
- Analog Calculations: Suitable for analog calculations and signal processing tasks).
- Amplifier Blocks: Can be used as amplifier blocks in various analog circuits).
- Active Filters: Used in the design of active filters due to its high slew rates and low noise).
- Signal Buffering: Effective for signal buffering applications where high input impedance and low bias currents are required).
- Battery-Powered Applications: Suitable for remote and inaccessible battery-powered applications due to its single-supply operation).
Q & A
- What is the operating temperature range of the TLC274IPWR?
The operating temperature range of the TLC274IPWR is -40°C to 85°C).
- What is the typical input offset voltage drift of the TLC274IPWR?
The typical input offset voltage drift is 0.1 µV/Month, including the first 30 days).
- What is the supply voltage range for the TLC274IPWR?
The supply voltage range is 3 V to 16 V for temperatures from 0°C to 70°C, and 4 V to 16 V for temperatures from -40°C to 85°C and -55°C to 125°C).
- Does the TLC274IPWR support single-supply operation?
Yes, the TLC274IPWR supports single-supply operation, making it suitable for battery-powered applications).
- What is the common-mode input voltage range of the TLC274IPWR?
The common-mode input voltage range extends below the negative rail, typically from -0.2 V to 4 V at 25°C).
- What is the noise level of the TLC274IPWR?
The noise level is typically 25 nV/Hz at f = 1 kHz).
- Does the TLC274IPWR have ESD protection?
Yes, the TLC274IPWR has internal ESD-protection circuits up to 2000 V as tested under MIL-STD-883C, Method 3015.2).
- What are the typical applications of the TLC274IPWR?
The TLC274IPWR is used in transducer interfacing, analog calculations, amplifier blocks, active filters, and signal buffering).
- What is the package type and pin count of the TLC274IPWR?
The TLC274IPWR comes in a TSSOP (PW) package with 14 pins).
- Is the TLC274IPWR latch-up immune?
Yes, the TLC274IPWR is designed to withstand -100-mA surge currents without sustaining latch-up).
