on November 19th 48

TL074 OP-AMP: Features, Pinout, and Datasheet

This article introduces the TL074 operational amplifier, a highly regarded component known for its reliability and precision. Prominent in high-fidelity audio systems, this quad package amplifier excels at delivering clear and pristine tones, enhancing sound quality. Its versatility extends to various analog computing tasks and other applications, supported by its robust design and effective noise suppression capabilities.

Catalog

What is the TL074?

The TL074 operational amplifier elegantly merges JFET and bipolar transistors within a singular, compact design. This synthesis is valuable in scenarios requiring both rapid response and steadfast reliability. Its monolithic construction offers uniform conduct and precision across diverse applications. Such architecture cultivates consistent performance, addressing the subtle variations that might otherwise result in inefficiencies.

Within the TL074, the JFET (Junction Field Effect Transistor) component provides superior input impedance, reducing the loading effects on previous stages and preserving signal fidelity. Its low noise output is advantageous in audio processing and precision-driven tasks where pure signals are a top priority. The inclusion of JFETs elevates the op-amp's capacity to manage swift signal fluctuations, suiting it for high-frequency applications.

Conversely, bipolar transistors augment the TL074's capability by ensuring strong output drive for tasks with substantial power demands, like telecommunications signal amplification. This synergy of JFET and bipolar technology delivers a well-rounded performance, providing both delicate responsiveness and robust output. These traits mirror scenarios outside of controlled environments, where responding to shifting conditions with resilience is often a learned necessity.

TL074 Pin Configuration

Pin Number	Pin Name	Description
1, 7, 10, 16	Op-Amp Output Pins	These are the output pins of the four Op-Amps
2, 6, 11, 15	Input Inverting Pins	These are the input inverting pins of the four Op-Amps
3, 5, 12, 14	Input Non-Inverting Pins	These are the input non-inverting pins of the four Op-Amps
4	Vcc (+)	Positive Supply Rail of the Op-Amp
13	Vcc (-)	Negative Supply Rail of the Op-Amp

TL074 Symbol, Footprint, and CAD Model

Features of the TL074 Operational Amplifier

• Wide common-mode voltage range for versatile signal handling.

• Minimal offset and low bias current for precise operation.

• Low noise (15 nV/√Hz) for audio and sensitive signals.

• Short-circuit protection ensures consistent performance.

• High input impedance (JFET design) maintains signal integrity.

• Low harmonic distortion (0.01%) for clean audio and precision work.

• Built-in frequency compensation prevents operational issues.

• High slew rate (16 V/µs) for fast, accurate signal transitions.

Applications of the TL074

Role in Circuits Requiring High Input Impedance

The TL074 operational amplifier finds its place in circuits where high input impedance is sought after. Its design caters to applications such as buffers, maintaining signal fidelity while minimizing current draw. Furthermore, in filters and integrators, its precision is evident as it refines frequency responses and reduces noise, a boon for audio processing and scientific instrumentation.

Adaptability in Dynamic Systems

In the realm of dynamic systems, including differentiators and voltage followers, the TL074 showcases stability and precision. Differentiators benefit from its ability to manage rapid input signal changes, an asset for systems dependent on data adaptation. Voltage followers appreciate its impedance matching and signal buffering, ensuring seamless sensor interfacing and efficient communication circuitry.

Contribution to DC Gain Blocks and Comparators

Extending its utility to DC gain blocks, the TL074 amplifies low-level signals with minimal distortion, supporting sensors and data acquisition systems. As a comparator, especially in control loops and regulatory scenarios, it provides precise threshold detection, an asset in power management and automated control systems, promoting reliability and efficiency under exhaustive control conditions and energy considerations.

Equivalent of the TL074

• LM324

TL074 Circuit Diagram

Enhanced Utilization of TL074

The picture below shows the pinout diagram of the TL074 quad operational amplifier, illustrating the configuration of its four amplifiers and corresponding input/output pins.

The TL074 is highly efficient for audio systems requiring quad operational amplifiers. Its mix of high-voltage JFETs and bipolar transistors ensures low noise and clear audio signals. With high input impedance and low bias current, it’s ideal for preamplification, preserving audio purity. Modern audio equipment uses components like the TL074 to deliver rich, detailed sound.

Beyond audio, the TL074 excels in signal processing tasks requiring precision, such as instrumentation and data acquisition. It minimizes distortion and interference, ensuring clean and accurate outputs. This reliability makes it valuable for research, applied sciences, and systems requiring exact signal measurement, even under changing conditions. The TL074 is perfect for noise-sensitive environments like labs or measuring equipment. Its low bias current helps maintain stability and reduces distortion, improving overall system performance.

Guidelines for Utilizing TL074

The TL074 and LM324 are both operational amplifiers but differ mainly in their design; the TL074 uses a JFET input stage. This feature results in higher input impedance and lower input bias current, making it better suited for high-impedance applications like audio and sensors. It also produces less noise, which is advantageous for applications requiring high signal fidelity.

In practical terms, the TL074 is favored in audio processing and instrumentation for its low noise and high slew rate, leading to clearer signals with minimal distortion. Effective use of the TL074 involves careful consideration of power supplies and heat management, with circuit design enhancements like the use of bypass capacitors and appropriate thermal solutions for optimal performance. This component offers flexibility with its JFET inputs, making it adaptable to various signal levels and a valuable tool for electronics.

TL074 Similar Parts

The following components listed below are similar in specifications to those of STMicroelectronics TL074CDT.

Part Number	Manufacturer	Package / Case	Number of Pins	Slew Rate	Input Offset Voltage (Vos)	Common Mode Rejection Ratio	Supply Voltage	Operating Supply Current	Technology
TL074CDT	STMicroelectronics	14-SOIC (0.154, 3.90mm Width)	14	13V/μs	3 mV	70 dB	15 V	1.4 mA	BIPOLAR
LM224ADR	Texas Instruments	14-SOIC (0.154, 3.90mm Width)	14	16V/μs	10 mV	70 dB	15 V	1.4 mA	BIPOLAR
TL074IDT	STMicroelectronics	14-SOIC (0.154, 3.90mm Width)	14	16V/μs	10 mV	80 dB	15 V	1.4 mA	BIPOLAR
TL084IDT	STMicroelectronics	14-SOIC (0.154, 3.90mm Width)	14	13V/μs	3 mV	80 dB	15 V	1.4 mA	BIPOLAR
LF347DT	STMicroelectronics	14-SOIC (0.154, 3.90mm Width)	14	0.5V/μs	3 mV	70 dB	5 V	1.4 mA	BIPOLAR

TL074 Technical Specifications

Technical specifications, characteristics, and parameters of the TL074, along with components that share similar specifications to the STMicroelectronics TL074CDT.

Type	Parameter
Lifecycle Status	ACTIVE (Last Updated: 6 months ago)
Mount	Surface Mount
Package / Case	14-SOIC (0.154, 3.90mm Width)
Operating Temperature	0°C~70°C
Series	Automotive, AEC-Q100
Part Status	Active
Number of Terminations	14
Terminal Finish	Matte Tin (Sn) - annealed
Terminal Position	DUAL
Peak Reflow Temperature (Cel)	260
Supply Voltage	15V
Time@Peak Reflow Temperature-Max (s)	30
Pin Count	14
Number of Channels	4
Nominal Supply Current	2.5mA
Output Current	40mA
Factory Lead Time	10 Weeks
Mounting Type	Surface Mount
Number of Pins	14
Packaging	Cut Tape (CT)
JESD-609 Code	e3
Moisture Sensitivity Level (MSL)	1 (Unlimited)
ECCN Code	EAR99
Packing Method	TAPE AND REEL
Terminal Form	GULL WING
Number of Functions	4
Terminal Pitch	1.27mm
Base Part Number	TL074
Power Supplies	±15V
Operating Supply Current	1.4mA
Power Dissipation	680mW
Slew Rate	13V/μs
Architecture	VOLTAGE-FEEDBACK
Common Mode Rejection Ratio	70 dB
Voltage - Supply, Single/Dual (±)	6V36V ±3V±18V
Input Offset Voltage (Vos)	3mV
Unity Gain BW-Nom	3000 kHz
Average Bias Current-Max (IIB)	0.02μA
Frequency Compensation	YES
Low-Bias	YES
Dual Supply Voltage	9V
Input Offset Current-Max (IIO)	0.01μA
Length	8.75mm
REACH SVHC	No SVHC
RoHS Status	ROHS3 Compliant
Amplifier Type	J-FET
Current - Input Bias	20pA
Output Current per Channel	40mA
Neg Supply Voltage-Nom (Vsup)	-15V
Voltage Gain	106.02dB
Low-Offset	NO
Supply Voltage Limit-Max	18V
Bias Current-Max (IIB) @25C	0.0002μA
Neg Supply Voltage-Max (Vsup)	-18V
Height	1.65mm
Width	4mm
Radiation Hardening	No
Lead Free	Lead Free

Package for TL074

TL074 Manufacturer Information

STMicroelectronics leads the charge in semiconductor technology, demonstrating a expertise in silicon mastery alongside an extensive array of manufacturing talents. The company thrives by establishing a dynamic ecosystem of strategic collaborations, propelling the limits of integrated circuit and System-on-Chip (SoC) technologies. This strategic focus firmly establishes its influential role and shapes the wider electronics arena. STMicroelectronics' dominance in semiconductor technology stems not only from its existing capabilities but also from strategic foresight and collaborative efforts. Through innovation and alliance formation, they play an important role in defining the technological future.

Datasheet PDF

TL074CDT Datasheets:

TL074.pdf

TL074IDT Datasheets:

TL074.pdf

TL084IDT Datasheets:

TL084.pdf

LF347DT Datasheets:

LFx47.pdf