Overview
The TLC271IDR is a low-power, programmable operational amplifier produced by Texas Instruments. It utilizes Texas Instruments' silicon-gate LinCMOS technology, which offers superior offset voltage stability compared to conventional metal-gate processes. This device is designed to provide a wide range of input offset voltage grades, low offset voltage drift, and high input impedance, making it suitable for various applications. The TLC271IDR features a bias-select mode that allows users to optimize the device for different levels of power dissipation and AC performance, making it versatile for a variety of design needs.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | SOIC (D) | - |
| Pins | 8 | - |
| Operating Temperature Range | -40 to 85 | °C |
| Supply Voltage Range | 4 to 16 (for -40°C to 85°C) | V |
| Unity-Gain Bandwidth (High-Bias Mode) | 1.7 | MHz |
| Slew Rate (High-Bias Mode) | 3.6 | V/µs |
| Input Noise Voltage (High-Bias Mode) | 25 | nV/√Hz at f = 1 kHz |
| Input Impedance | 10^12 | Ω |
| ESD Protection | Up to 2000 V | - |
Key Features
- Low offset voltage drift: Typically 0.1 µV/month, including the first 30 days.
- Wide range of supply voltages: 3 V to 16 V (0°C to 70°C), 4 V to 16 V (-40°C to 85°C), and 5 V to 16 V (-55°C to 125°C).
- Single-supply operation with common-mode input voltage range extending below the negative rail.
- Low noise: 25 nV/√Hz at f = 1 kHz in high-bias mode.
- High input impedance: 10^12 Ω.
- ESD-protection circuitry up to 2000 V.
- Bias-select mode for optimizing power dissipation and AC performance.
- 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.
- Amplifier blocks.
- Active filters.
- Signal buffering.
- Remote and inaccessible battery-powered applications due to low-voltage single-supply operation.
- High-density system applications due to various packaging options.
Q & A
- What is the TLC271IDR's operating temperature range?
The TLC271IDR operates from -40°C to 85°C for I-suffix devices and from -55°C to 125°C for M-suffix devices.
- What are the supply voltage ranges for the TLC271IDR?
The supply voltage ranges are 3 V to 16 V (0°C to 70°C), 4 V to 16 V (-40°C to 85°C), and 5 V to 16 V (-55°C to 125°C).
- What is the unity-gain bandwidth of the TLC271IDR in high-bias mode?
The unity-gain bandwidth is typically 1.7 MHz in high-bias mode.
- What is the slew rate of the TLC271IDR in high-bias mode?
The slew rate is 3.6 V/µs in high-bias mode.
- Does the TLC271IDR have ESD protection?
Yes, the TLC271IDR has internal ESD-protection circuits that prevent functional failures at voltages up to 2000 V.
- What are the key benefits of using LinCMOS technology in the TLC271IDR?
LinCMOS technology provides offset voltage stability far exceeding conventional metal-gate processes, low power consumption, and features associated with bipolar technology without the power penalties.
- Can the TLC271IDR operate in single-supply mode?
Yes, the TLC271IDR supports single-supply operation and is suitable for remote and inaccessible battery-powered applications.
- What is the input impedance of the TLC271IDR?
The input impedance is typically 10^12 Ω.
- Does the TLC271IDR have a bias-select feature?
Yes, the TLC271IDR offers a bias-select mode that allows users to select the best combination of power dissipation and AC performance for a particular application.
- What are some common applications of the TLC271IDR?
Common applications include transducer interfacing, analog calculations, amplifier blocks, active filters, signal buffering, and high-density system applications.
