TL084CN Quad JFET Op-Amp IC DIP-14 – Wide-Bandwidth, Low-Noise

TL084CN Quad JFET Op-Amp IC – DIP-14

The TL084CN is a quad JFET-input operational amplifier – four high-performance op-amps in a single DIP-14 package, sharing the same low-noise JFET input architecture as the popular TL072 dual op-amp. With a 3MHz gain-bandwidth product, 13V/μs slew rate, and very low input bias current (65pA typical), the TL084 is an excellent choice for audio circuits, active filters, and precision signal processing where four op-amp channels are needed in one package.

Electrical Specifications

• Part Number: TL084CN / TL084 / TL084ACN
• Package: DIP-14 (through-hole, 2.54mm pitch)
• Number of Op-Amps: 4 (quad)
• Input Type: JFET (very low input bias current: ~65pA)
• Supply Voltage: ±2.25V to ±18V (dual supply)
• GBW: 3 MHz (typical)
• Slew Rate: 13 V/μs (typical)
• Input Offset Voltage: 3mV (typical)
• Input Bias Current: 65pA (typical) – 26× lower than UA741
• Operating Temperature: 0°C to +70°C

TL084 vs TL074 – Are They the Same?

The TL084 and TL074 are functionally nearly identical – same JFET input architecture, same GBW (3MHz), same slew rate (13V/μs). The TL074 has slightly tighter specifications (lower offset voltage, lower noise) and is pin-compatible. In most audio and general-purpose applications, TL084 and TL074 are interchangeable.

Typical Applications

• Audio mixing: 4-channel summing amplifier stages
• Active crossovers: Multi-band filter design for speaker systems
• Synthesizers / Eurorack: VCF, VCA, envelope follower, and mixer stages
• Active filters: Sallen-Key and MFB filter banks
• Instrumentation: Multi-channel signal conditioning
• Guitar effects: Multi-stage overdrive, EQ, and modulation circuits

Package Contents

• 1 × TL084CN DIP-14 quad JFET op-amp IC

Four JFET op-amps in one DIP-14 package – the TL084CN delivers 3MHz bandwidth and 13V/μs slew rate for audio mixing, active filters, and multi-channel signal processing.

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