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TL072CDR

Dual JFET-input op-amp, 3MHz GBW, 13V/µs SR, 18nV/√Hz, SOIC-8

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Manufacturer Part：

TL072CDR

Package：

SOIC-8 (4.90 x 6.00 mm)

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Description

Product Overview

The TL072CDR from Texas Instruments is a dual JFET-input operational amplifier in an SOIC-8 package. Featuring high input impedance, low input bias current (65pA typical), 3MHz gain bandwidth, and 13V/µs slew rate, it is the industry standard for audio and general-purpose signal conditioning applications.

Key Specifications

Number of Channels 2
Supply Voltage Range ±2.25V to ±20V (4.5V to 40V)
Gain Bandwidth Product 3MHz (typical)
Slew Rate 13V/µs (typical)
Input Offset Voltage 3mV (typical), 6mV (max)
Input Bias Current 65pA (typical)
CMRR 100dB (typical)
Input Noise 18nV/√Hz (typical at 1kHz)
THD 0.003% (typical)
Operating Temperature 0°C to +70°C (CD suffix)
Package SOIC-8

Features

  • JFET-input for high input impedance
  • Low input bias and offset currents
  • Low harmonic distortion: 0.003%
  • High slew rate: 13V/µs
  • Wide supply range: ±2.25V to ±20V
  • Internal frequency compensation
  • Output short-circuit protection
  • Common-mode input voltage range includes VCC+

Applications

  • Audio preamplifiers and mixers
  • Active filters
  • High-impedance sensor interfaces
  • Instrumentation amplifiers
  • Measurement equipment

The TL072CDR is a dual JFET-input operational amplifier from Texas Instruments in an SOIC-8 package. Each amplifier incorporates well-matched, high-voltage JFET and bipolar transistors in a monolithic integrated circuit. The JFET input stage provides very high input impedance and extremely low input bias current (65pA typical), making it ideal for high-impedance source applications. The 3MHz gain bandwidth product and 13V/µs slew rate support audio and moderate-frequency signal processing. Total harmonic distortion of 0.003% and input noise of 18nV/√Hz make the TL072 the industry standard for professional audio and hi-fi applications. The CD suffix indicates 0°C to +70°C commercial temperature range.

The TL072CDR uses a JFET-input stage followed by a bipolar output stage. The N-channel JFET differential input pair provides very high input impedance and low input bias current because JFET gates are reverse-biased PN junctions that draw negligible DC current. The JFET input stage also offers low noise (18nV/√Hz) and excellent CMRR (100dB typical). The input common-mode range extends to the positive supply rail (VCC+), accommodating single-supply configurations. The bipolar output stage provides output short-circuit protection and can swing within approximately 1.5V of each supply rail. Internal frequency compensation ensures stability in unity-gain configurations without external components.

Pin Name Type Description
1 OUT A Output Channel A output
2 -IN A Input Channel A inverting input
3 +IN A Input Channel A non-inverting input
4 VCC- Power Negative supply voltage
5 +IN B Input Channel B non-inverting input
6 -IN B Input Channel B inverting input
7 OUT B Output Channel B output
8 VCC+ Power Positive supply voltage
  • Audio Preamplifiers: Amplifies microphone and instrument signals in mixing consoles with 0.003% THD and 18nV/√Hz noise preserving audio fidelity
  • Active Filters: Implements Sallen-Key and MFB filter topologies for equalizers and crossover networks with 3MHz GBW maintaining accuracy
  • High-Impedance Sensor Interface: Buffers pH electrodes, piezoelectric pickups, and condenser microphones with 10^12Ω input impedance preventing signal loading
Model Manufacturer GBW SR Key Difference
TL072HCDR TI 5MHz 20V/µs Upgraded version, wider temp
NE5532DR TI 10MHz 9V/µs Bipolar input, lower noise audio
OPA2134PA TI 8MHz 20V/µs FET input, ultra-low distortion
RC4580IDR TI 9MHz 5V/µs Dual bipolar, low noise audio
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