Overview
The TL081BCDR is a high-performance, FET-input operational amplifier produced by Texas Instruments. It is part of the TL08x family, known for its low offset voltage, high slew rate, and low power consumption. This device is particularly suited for cost-sensitive applications that require high precision and reliability.
The TL081BCDR is available in an 8-pin SOIC package and is designed to operate over a wide range of supply voltages, from ±2.25 V to ±20 V, or 4.5 V to 40 V. It features integrated EMI and RF filters, high ESD protection, and a wide operating temperature range from –40°C to 125°C, making it suitable for rugged and demanding applications.
Key Specifications
| Parameter | Typical Value | Unit |
|---|---|---|
| Input Offset Voltage (Vos) | ±1 mV (TL08xH), ±3 mV (TL081B) | mV |
| Input Offset Voltage Drift | ±2 μV/°C | μV/°C |
| Slew Rate | 20 V/μs | V/μs |
| Supply Voltage Range | ±2.25 V to ±20 V, 4.5 V to 40 V | V |
| Input Bias Current | 200 pA | pA |
| Common Mode Rejection Ratio (CMRR) | 75 dB | dB |
| Gain Bandwidth Product | 3 MHz | MHz |
| Total Harmonic Distortion + Noise (THD+N) | 0.003% (typ) | % |
| Operating Temperature Range | –40°C to 125°C | °C |
Key Features
- High slew rate of 20 V/μs, enabling fast signal processing
- Low offset voltage of ±1 mV (TL08xH) and ±3 mV (TL081B), ensuring high precision
- Low input bias and offset currents, reducing noise and improving signal integrity
- Wide common-mode and differential voltage ranges, including common-mode input voltage range that includes VCC+
- Low power consumption of 940 μA per channel, suitable for power-sensitive applications
- Integrated EMI and RF filters, enhancing signal quality and reducing interference
- High ESD protection of up to 1.5 kV (HBM), ensuring robustness against electrostatic discharge
- Output short-circuit protection and low total harmonic distortion, ensuring reliable operation
Applications
- Solar energy systems: string and central inverters
- Motor drives: AC and servo drive control and power stage modules
- Single-phase and three-phase online UPS systems
- Professional audio mixers
- Battery test equipment
Q & A
- What is the typical input offset voltage of the TL081BCDR?
The typical input offset voltage of the TL081BCDR is ±3 mV.
- What is the slew rate of the TL081BCDR?
The slew rate of the TL081BCDR is 20 V/μs.
- What is the operating temperature range of the TL081BCDR?
The operating temperature range of the TL081BCDR is –40°C to 125°C.
- What is the common-mode rejection ratio (CMRR) of the TL081BCDR?
The CMRR of the TL081BCDR is 75 dB.
- What is the gain bandwidth product of the TL081BCDR?
The gain bandwidth product of the TL081BCDR is 3 MHz.
- Does the TL081BCDR have built-in EMI and RF filters?
Yes, the TL081BCDR has integrated EMI and RF filters.
- What is the typical power consumption per channel of the TL081BCDR?
The typical power consumption per channel of the TL081BCDR is 940 μA.
- What is the total harmonic distortion + noise (THD+N) of the TL081BCDR?
The THD+N of the TL081BCDR is 0.003% (typ).
- What are some common applications of the TL081BCDR?
The TL081BCDR is commonly used in solar energy systems, motor drives, UPS systems, professional audio mixers, and battery test equipment.
- What is the ESD protection rating of the TL081BCDR?
The TL081BCDR has an ESD protection rating of up to 1.5 kV (HBM).
