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10PCS TL Series Low-Power Operational Amplifier ICs DIP-8 (TL061/TL062/TL071/TL072/TL081/TL082)
10PCS TL Series Low-Power Operational Amplifier ICs DIP-8 (TL061/TL062/TL071/TL072/TL081/TL082)
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TL Series Low-Power JFET Op-Amp ICs — DIP-8, 10-Pack (TL061 / TL062 / TL071 / TL072 / TL081 / TL082)
A 10-piece pack of Texas Instruments TL-series JFET-input operational amplifier ICs in DIP-8 package. The TL series (TL061, TL062, TL071, TL072, TL081, TL082) are industry-standard low-power, low-noise op-amps with JFET input stages, offering high input impedance, low input bias current, and wide supply voltage range (3V–18V single supply or ±1.5V–18V dual supply). Widely used in audio preamplifiers, active filters, signal conditioning, and instrumentation circuits.
Model Comparison Table
| Model | Channels | GBW (typ) | Slew Rate | Iq (typ) | Key Feature |
|---|---|---|---|---|---|
| TL061 | 1 | 1MHz | 3.5V/µs | 200µA | Ultra-low power single |
| TL062 | 2 | 1MHz | 3.5V/µs | 200µA/ch | Ultra-low power dual |
| TL071 | 1 | 3MHz | 13V/µs | 1.4mA | Low-noise single, audio |
| TL072 | 2 | 3MHz | 13V/µs | 1.4mA/ch | Low-noise dual, audio |
| TL081 | 1 | 3MHz | 13V/µs | 1.4mA | General purpose single |
| TL082 | 2 | 3MHz | 13V/µs | 1.4mA/ch | General purpose dual |
Common Electrical Specifications
| Parameter | Value |
|---|---|
| Input Stage | JFET (J-FET input, high impedance) |
| Supply Voltage (dual) | ±1.5V to ±18V |
| Supply Voltage (single) | 3V to 36V |
| Input Bias Current | 30pA (typical) — extremely low |
| Input Offset Voltage | 3mV (typical) |
| Input Impedance | 10¹²Ω (JFET gate) |
| Output Short-Circuit Protected | Yes |
| Package | DIP-8 (through-hole, 2.54mm pitch) |
| Operating Temperature | −40°C to +85°C (commercial) / −55°C to +125°C (military) |
Typical Applications
- Audio Preamplifiers: TL071/TL072 are the industry standard for low-noise audio preamp stages in guitar pedals, mixing consoles, and microphone preamplifiers. The low noise (18nV/√Hz) and high slew rate (13V/µs) make them ideal for audio bandwidth applications.
- Active Filters: Sallen-Key, multiple feedback (MFB), and state-variable filter topologies for audio crossovers, anti-aliasing filters, and signal conditioning
- Instrumentation & Sensor Amplifiers: High-impedance JFET input is ideal for amplifying signals from piezoelectric sensors, pH electrodes, and photodiodes without loading the source
- Voltage Followers & Buffers: Unity-gain buffer stages for impedance matching between high-impedance sources and low-impedance loads
- Comparators (non-precision): Window comparator and threshold detection circuits (note: dedicated comparators like LM393 are preferred for high-speed comparator applications)
- Oscillators & Function Generators: Wien bridge oscillators, triangle/square wave generators, and VCO circuits
Selection Guide
- Need lowest power? → TL061 (single) or TL062 (dual) — 200µA quiescent current
- Need lowest noise for audio? → TL071 (single) or TL072 (dual) — 18nV/√Hz input noise
- General purpose? → TL081 (single) or TL082 (dual) — same performance as TL071/72 with slightly relaxed specs
- Dual supply (±15V)? → All models support ±15V dual supply
- Single supply (5V–12V)? → All models support single supply, but output swing is limited — not rail-to-rail
FAQ
Q: What is the difference between TL071 and TL081?
A: The TL071 and TL081 have nearly identical electrical specifications. The TL071 has a slightly tighter input offset voltage specification (3mV vs 6mV typical) and is marketed as the "low-noise" variant. For most applications, they are interchangeable.
Q: Can the TL072 replace an NE5532 in an audio circuit?
A: The TL072 and NE5532 are both popular audio op-amps, but the NE5532 has lower noise (5nV/√Hz vs 18nV/√Hz) and higher output drive capability. The TL072 is suitable for line-level audio; for microphone preamp stages, the NE5532 is preferred.
Q: Are these ICs compatible with 5V single-supply Arduino circuits?
A: Yes, but the TL series is not rail-to-rail. On a 5V single supply, the output typically swings from ~1.5V to ~3.5V. For rail-to-rail output on 5V, use an MCP6002 or LM358 instead.
Package Contents
- 10 × TL-series op-amp IC DIP-8 (model as selected: TL061 / TL062 / TL071 / TL072 / TL081 / TL082)
