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TL071 JFET-Input Op-Amp
Public Unreviewedby Ray
Single JFET-input operational amplifier with low input bias current and low noise.
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markdownTL071
Texas Instruments · Operational Amplifier · SOIC-8
The TL071 is a single operational amplifier with JFET inputs, giving very low input bias current and high input impedance. It is a general-purpose choice for active filters, integrators, sample-and-hold circuits, and audio signal conditioning.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | NC | unconnected | No internal connection. Leave floating or tie to a quiet net. On the PS (SO-8) TL071C variant this pin is instead OFFSET N1 for external offset-null trim. |
| 2 | IN- | input | Inverting input to the op-amp. High-impedance JFET gate input; common-mode range (VCC-) - 0.5 V to (VCC+) + 0.5 V. Diode-clamped to both supply rails on new-die (H-suffix) parts; limit swing currents to <=10 mA. |
| 3 | IN+ | input | Noninverting input to the op-amp. High-impedance JFET gate input; common-mode range extends to the positive rail (VCC+). Diode-clamped to both supply rails on new-die parts. |
| 4 | VCC- | power_in | Negative supply rail. Connect to the negative supply in a dual-supply system (typ. -15 V), or to GND in a single-supply system. Total supply span VS = (VCC+) - (VCC-) up to 36 V (42 V on non-NS/PS packages). |
| 5 | NC | unconnected | No internal connection. On the PS (SO-8) TL071C variant this pin is instead OFFSET N2 for external offset-null trim (typ. 10 kΩ pot between OFFSET N1 and OFFSET N2 with wiper to VCC-). |
| 6 | OUT | output | Op-amp output. Class-AB output with continuous short-circuit protection to ground (one amplifier per package). Typical output swing rails-to within a few hundred mV of supply. |
| 7 | VCC+ | power_in | Positive supply rail. Connect to the positive supply (typ. +15 V). Decouple with a 0.1 µF ceramic to VCC- (or to GND for single-supply) close to the pin. |
| 8 | NC | unconnected | No internal connection. Leave floating or tie to a quiet net. |
Key specifications
| Parameter | Value |
|---|---|
| Type | Single JFET-input op-amp |
| Supply voltage | +-2.25 V to +-18 V (4.5 V to 36 V single) |
| Input bias current | 30 pA typ |
| Slew rate | 13 V/us typ |
| Gain-bandwidth product | 3 MHz typ |
| Input offset voltage | 3 mV typ |
| Operating temperature | 0 C to 70 C |
Ordering variants
Same part, different packaging or reel option.
TL071PTL071DTL071PSTL071DBVTL071DCK
CAD (KiCad official)
- Symbol:
tl071.kicad_sym - Footprint:
tl071.kicad_mod - 3D model: SOIC-8 body from KiCad
Package_SO/SOIC-8_3.9x4.9mm_P1.27mm.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (89 pp, sha256
40b14981bad45917, retrieved 2026-08-17, tier: manufacturer) - Extractor:
ds2sf(Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate. - CAD: KiCad official libraries (CC-BY-SA 4.0).