Overview
The TL081HIDR is a high-performance operational amplifier (op-amp) produced by Texas Instruments. This JFET-input op-amp is designed for applications requiring high input impedance, low noise, and wide bandwidth. It is part of the TL08xH family, which is an enhanced version of the industry-standard TL08x series. The TL081HIDR is particularly suited for cost-sensitive applications where precision and reliability are critical. Its market positioning targets industrial, automotive, and consumer electronics sectors, offering a balance of performance and affordability.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of Channels | 1 | - | Single-channel op-amp |
| Total Supply Voltage (Max) | 40 | V | Wide supply voltage range |
| Total Supply Voltage (Min) | 4.5 | V | Low minimum supply voltage |
| GBW (Typ) | 5.25 | MHz | High gain bandwidth |
| Slew Rate (Typ) | 20 | V/μs | Fast slew rate |
| Vos (Offset Voltage @25°C) (Max) | 4 | mV | Low offset voltage |
| Iq per Channel (Typ) | 0.9375 | mA | Low power consumption |
| Vn at 1 kHz (Typ) | 37 | nV/√Hz | Low noise performance |
| Operating Temperature Range | -40 to 125 | °C | Wide temperature range |
| Offset Drift (Typ) | 2 | μV/°C | Stable over temperature |
Key Features
- High input impedance due to JFET input stage
- Low noise and low offset voltage for precision applications
- Wide supply voltage range (±2.25 V to ±20 V, 4.5 V to 40 V)
- High slew rate (20 V/μs) for fast signal processing
- Output short-circuit protection for enhanced reliability
- Low power consumption (940 μA/channel typical)
- Wide operating temperature range (-40°C to 125°C)
Applications
The TL081HIDR is widely used in various applications, including:
- Industrial Automation: Signal conditioning, sensor amplification, and control systems.
- Automotive Electronics: Sensor interfaces, audio processing, and power management.
- Consumer Electronics: Audio amplifiers, signal processing, and portable devices.
- Medical Devices: Precision instrumentation and signal amplification.
- Test and Measurement: High-performance test equipment and data acquisition systems.
Q & A
1. What is the input impedance of the TL081HIDR?
The TL081HIDR features a high input impedance due to its JFET input stage, typically in the range of 10^12 Ω.
2. Can the TL081HIDR operate with a single supply voltage?
Yes, the TL081HIDR can operate with a single supply voltage ranging from 4.5 V to 40 V.
3. What is the typical slew rate of the TL081HIDR?
The typical slew rate is 20 V/μs, making it suitable for high-speed applications.
4. Is the TL081HIDR suitable for audio applications?
Yes, its low noise and high bandwidth make it ideal for audio amplification and processing.
5. What is the operating temperature range of the TL081HIDR?
The TL081HIDR can operate in temperatures ranging from -40°C to 125°C.
6. Does the TL081HIDR have output short-circuit protection?
Yes, it includes output short-circuit protection for enhanced reliability.
7. What is the typical power consumption of the TL081HIDR?
The typical power consumption is 940 μA per channel.
8. Can the TL081HIDR be used in precision instrumentation?
Yes, its low offset voltage and low drift make it suitable for precision applications.
9. What is the gain bandwidth product of the TL081HIDR?
The gain bandwidth product is typically 5.25 MHz.
10. Is the TL081HIDR available in surface-mount packages?
Yes, it is available in an SOIC-8 surface-mount package.
