Overview
The TLC272CPSR is a precision dual operational amplifier produced by Texas Instruments. It is part of the TLC272 and TLC277 series, which combine 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. These operational amplifiers utilize Texas Instruments' silicon-gate LinCMOS technology, providing offset voltage stability that exceeds conventional metal-gate processes. The TLC272CPSR is ideal for applications requiring high precision, low noise, and robust performance across various temperature ranges.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Offset Voltage | 10 mV (TLC272C), 500 µV (TLC277C) | mV/µV |
| Input Offset Voltage Drift | Typically 0.1 µV/Month | µV/Month |
| 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) | V |
| Operating Temperature Range | 0°C to 70°C (C-suffix), -40°C to 85°C (I-suffix), -55°C to 125°C (M-suffix) | °C |
| Input Impedance | 10^12 Ω (Typical) | Ω |
| Noise | Typically 25 nV/Hz at f = 1 kHz | nV/Hz |
| Output Voltage Range | Includes Negative Rail | - |
| Package Type | Small-Outline Package (SOP), PDIP, and others | - |
| ESD Protection | Up to 2000 V as tested under MIL-STD-883C, Method 3015.2 | V |
Key Features
- Trimmed Offset Voltage: Available in various grades, ranging from 10 mV to 500 µV.
- Low Offset Voltage Drift: Typically 0.1 µV/Month, including the first 30 days.
- Wide Range of Supply Voltages: Operates from 3 V to 16 V across different temperature ranges.
- Single-Supply Operation: Suitable for remote and inaccessible battery-powered applications.
- Common-Mode Input Voltage Range: Extends below the negative rail.
- Low Noise: Typically 25 nV/Hz at f = 1 kHz.
- High Input Impedance: 10^12 Ω (Typical).
- ESD-Protection Circuitry: Prevents functional failures up to 2000 V.
- Designed-In Latch-Up Immunity: Inputs and outputs designed to withstand 100-mA surge currents without sustaining latch-up.
- Small-Outline Package Option: Available in tape and reel for high-density system applications.
Applications
The TLC272CPSR is versatile and can be used in a variety of applications, including:
- Transducer Interfacing: Ideal for interfacing with various transducers due to its high input impedance and low noise.
- Analog Calculations: Suitable for analog calculations and signal processing.
- Amplifier Blocks: Can be used as amplifier blocks in various analog circuits.
- Active Filters: Used in the design of active filters due to its stability and precision.
- Signal Buffering: Effective for signal buffering applications requiring low noise and high input impedance.
- Battery-Powered Applications: Ideal for remote and inaccessible battery-powered applications due to its low voltage single-supply operation.
Q & A
- What is the input offset voltage of the TLC272CPSR?
The input offset voltage of the TLC272CPSR is typically 10 mV, while the TLC277C has an input offset voltage of 500 µV.
- What is the operating temperature range for the TLC272CPSR?
The operating temperature range varies by suffix: C-suffix devices operate from 0°C to 70°C, I-suffix devices from -40°C to 85°C, and M-suffix devices from -55°C to 125°C.
- What is the supply voltage range for the TLC272CPSR?
The supply voltage range is from 3 V to 16 V for temperatures between 0°C and 70°C, and from 4 V to 16 V for temperatures between 40°C and 85°C and 55°C to 125°C.
- Does the TLC272CPSR have ESD protection?
Yes, the TLC272CPSR incorporates internal ESD-protection circuits that prevent functional failures at voltages up to 2000 V as tested under MIL-STD-883C, Method 3015.2.
- What is the typical noise level of the TLC272CPSR?
The typical noise level is 25 nV/Hz at f = 1 kHz.
- What are the common applications of the TLC272CPSR?
Common applications include transducer interfacing, analog calculations, amplifier blocks, active filters, signal buffering, and battery-powered applications.
- Does the TLC272CPSR support single-supply operation?
Yes, the TLC272CPSR supports single-supply operation, making it suitable for remote and inaccessible battery-powered applications.
- What is the input impedance of the TLC272CPSR?
The input impedance is typically 10^12 Ω.
- Is the TLC272CPSR immune to latch-up?
Yes, the device inputs and outputs are designed to withstand 100-mA surge currents without sustaining latch-up.
- What packaging options are available for the TLC272CPSR?
The TLC272CPSR is available in small-outline packages (SOP) and other formats such as PDIP, and can be ordered in tape and reel for high-density system applications.
