TL071CN Low-Noise FET-Input Operational Amplifier DIP-8
Low-noise J-FET input op-amp (TL071CN, DIP-8). High input impedance, low bias/offset and low noise ideal for audio and precision signal applications.
8.00 EGP
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The TL071CN is a high-performance, low-noise J-FET input operational amplifier supplied in an 8-pin DIP package. Designed for audio, instrumentation, and precision signal-processing tasks, it pairs a high-impedance J-FET front end with low input bias and offset currents for minimal signal loading. The amplifier provides excellent linearity and low harmonic distortion, delivering clean, faithful amplification across a wide frequency span. Internal frequency compensation eases design and helps guarantee stability.
Optimized for both speed and accuracy, the TL071CN offers a substantial slew rate and a useful gain-bandwidth product to support fast transient response and low distortion in demanding circuits. The output stage includes protections that reduce risk during fault conditions while maintaining reliable operation. Low equivalent input noise makes this device especially appropriate where signal fidelity is important.
The TL071CN’s DIP-8 form factor simplifies prototyping and PCB layout; its commercial temperature grade supports dependable operation in typical environments. The manufacturer’s datasheet includes example circuits and application notes that accelerate integration into filters, amplifiers, oscillators, and precision signal chains. Its mix of low noise, high input impedance, and robust behavior suits both professional and hobbyist designs.
Features:
- Low-noise J-FET input stage providing high input impedance and low input bias/offset currents.
- Low equivalent input noise: en = 15 nV/√Hz (typ).
- Wide common-mode and differential voltage range.
- Low harmonic distortion (typ. 0.01%).
- Internal frequency compensation for stable operation.
- High slew rate for fast transient response (typical values shown in datasheet).
- Output short-circuit protection / robust output stage.
- Latch-up free operation.
Specifications:
| Parameter: | Specification: |
|---|---|
| Absolute supply voltage (VCC): | ±18 V (max) |
| Input offset voltage (Vio): | 3 mV varies by grade |
| Input offset voltage drift (ΔVio): | 10 µV/°C |
| Input bias current (Iib): | 20 pA, up to 200 pA (depends on grade & temp) |
| Input offset current (Iio): | 5 pA (room temp) |
| Supply current, no load (ICC): | 1.4 mA, max 2.5 mA per amp |
| Input common-mode range (Vicm): | ±11 V with ±15 V supplies |
| Common-mode rejection ratio (CMR): | ~80 dB |
| Large-signal voltage gain (Avd): | 50 to 200 V/mV (depending on grade & conditions) |
| Slew rate (SR): | 16 V/µs |
| Gain-bandwidth product (GBP): | ~2.5–4 MHz |
| Equivalent input noise (en): | 15 nV/√Hz (f = 1 kHz, Rs = 100 Ω) |
| Output voltage swing (±VOPP): | Depends on RL ~±10 to ±13 V with ±15 V supplies |
| Operating temperature (TL071C grade): | 0 °C to +70 °C |
Pinout Diagram:
Pinout Configuration:
|
Pin Number |
Pin Name |
Pin Description |
|
1 |
NC |
Output of Op-Amp A |
|
2 |
IN– |
Inverting Input of Op-Amp A |
|
3 |
IN+ |
Non-Inverting Input of Op-Amp A |
|
4 |
VCC- |
Ground or Negative(Dual Polarity Supply) |
|
5 |
NC |
Non-Inverting Input of Op-Amp B |
|
6 |
OUT |
Inverting Input of Op-Amp B |
|
7 |
VCC+ |
Output of Op-Amp B |
|
8 |
NC |
Supply Voltage |
Applications:
- Audio Preamplification Circuits.
- Active Filters and Tone Controls.
- High-Impedance Sensor Signal Conditioning.
- Precision Integrators and Differentiators.
- Sample-and-Hold (S/H) Circuits.
- Photodiode and Photodetector Amplifiers.
- Low-Noise Instrumentation Amplifiers.
- Voltage Followers (Buffer Amplifiers).
- Low-Frequency Oscillators and Waveform Generators.
- Test and Measurement Equipment Front-Ends.
Package Contents:
- 1x TL071CN Low-Noise FET-Input Operational Amplifier DIP-8
Datasheet
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