[{1 1}]
2024-10-09 1171

The TL071CD is a JFET single operational amplifier from STMicroelectronics, known for its low noise. This article explores its pinout, specifications, features, and applications, offering a comprehensive look at this versatile component.

Catalog

TL071CD Overview

The TL071CD is a high-speed JFET input single operational amplifier, integrating well-matched, high-voltage JFET and bipolar transistors into a monolithic chip. This device boasts characteristics such as high slew rates, low input bias, offset currents, and a low offset voltage temperature coefficient. These features make it remarkably effective in applications where precise and stable signal amplification is required.

By combining JFET and bipolar transistors, the TL071 strikes an impressive balance between speed and power efficiency. This synergy finds particular relevance in designing circuits for audio processing, instrumentation amplification, and precision applications. Its performance shines in systems prioritizing noise minimization and signal integrity, explaining its prevalence in professional audio equipment and sensitive measurement instruments.

Alternative Models to TL071CD

- TL071CDR

- TL071CDE4

- TL071CDG4

- TL071CDRE4

- TL071CDRG4

TL071CD Pin Configuration

The TL071CD operational amplifier is integral in a myriad of electronic circuits, recognized for its distinctive pin configuration. This layout fosters exceptional performance and utility across varied applications. Detailed below are the pin configurations intertwined with practical insights to elevate your understanding.

Pin Descriptions and Their Functions

• VCC+ (Pin 4): Pin 4 accommodates the positive power supply voltage (VCC+). It energizes the operational amplifier, facilitating its intended operations. Maintaining a steady and suitable voltage at this pin is paramount for reliable performance.

• VCC- (Pin 7): The negative power supply voltage (VCC-) connects to Pin 7, fulfilling the op-amp’s dual power requirements. This dual-supply feature enriches the versatility and operational capacity of the op-amp in diverse electronic designs.

• Inverting Input (Pin 2): Pin 2 functions as the inverting input terminal. The voltage applied here inversely influences the output voltage, playing a pivotal role in signal processing across numerous scenarios.

• Non-Inverting Input (Pin 3): Connected to Pin 3, the non-inverting input terminal ensures that applied voltages directly impact the output voltage, retaining phase alignment with the input signal. This is crucial in differential amplifier setups and signal amplification processes.

• Output (Pin 6): Pin 6 serves as the output terminal, delivering the amplified signal derived from the input voltages on Pins 2 and 3. The output signal’s quality heavily depends on the power supply conditions and the integrity of the input connections.

• Offset Null (Pins 1 and 5): Pins 1 and 5 are utilized for offset null adjustment. This feature allows fine-tuning of the op-amp to minimize output voltage offset, critically enhancing precision in high-accuracy applications.

TL071CD Key Features

Feature	Description
Common-Mode and Differential Voltage	Wide common-mode (up to VCC+) and differential voltage range
Input Bias and Offset Current	Low input bias and offset current
Noise Level	Low noise en = 15 nV/√Hz (typ)
Output Protection	Output short-circuit protection
Input Impedance	High input impedance JFET input stage
Harmonic Distortion	Low harmonic distortion: 0.01 % (typ)
Frequency Compensation	Internal frequency compensation
Operation	Latch-up free operation
Slew Rate	High slew rate: 16 V/µs (typ)

Technical Specifications

The STMicroelectronics TL071CD is endowed with an extensive array of technical specifications and parameters, promising both versatility and peak performance, akin to other high-caliber components.

Type	Parameter
Mount	Surface Mount
Mounting Type	Surface Mount
Package / Case	8-SOIC (0.154, 3.90mm Width)
Number of Pins	8
Operating Temperature	0°C~70°C
Packaging	Tube
JESD-609 Code	e4
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	8
ECCN Code	EAR99
Terminal Finish	Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Position	DUAL
Terminal Form	GULL WING
Peak Reflow Temperature (Cel)	260°C
Number of Functions	1
Supply Voltage	15V
Time @ Peak Reflow Temperature	30s
Base Part Number	TL071
Pin Count	8
Qualification Status	Not Qualified
Number of Channels	1
Operating Supply Current	1.4mA
Nominal Supply Current	2.5mA
Power Dissipation	680mW
Output Current	40mA
Slew Rate	16V/μs
Architecture	VOLTAGE-FEEDBACK
Amplifier Type	J-FET
Common Mode Rejection Ratio	70 dB
Current - Input Bias	20pA
Voltage - Supply, Single/Dual	6V36V ±3V18V
Output Current per Channel	40mA
Input Offset Voltage (Vos)	10mV
Rise Time	100ns
Neg Supply Voltage-Nom (Vsup)	-15V
Unity Gain BW-Nom	4000 kHz
Voltage Gain	106.02dB
Average Bias Current-Max (IIB)	0.02μA
Low-Offset	NO
Frequency Compensation	YES
Voltage - Input Offset	3mV
Low-Bias	YES
Bias Current-Max (IIB) @25°C	0.0002μA
Height	1.25mm
Length	4.9mm
Width	3.9mm
REACH SVHC	No SVHC
RoHS Status	ROHS3 Compliant
Lead Free	Lead Free

Comparable Components

Parameter	TL071CD	TL081IDT	TL071IDT	LF356MX/NOPB	TL081CDT
Manufacturer	STMicroelectronics	STMicroelectronics	STMicroelectronics	Texas Instruments	STMicroelectronics
Package / Case	8-SOIC (0.154, 3.9mm)	8-SOIC (0.154, 3.9mm)	8-SOIC (0.154, 3.9mm)	8-SOIC (0.154, 3.9mm)	8-SOIC (0.154, 3.9mm)
Number of Pins	8	8	8	8	8
Slew Rate	16V/µs	16V/µs	16V/µs	16V/µs	12V/µs
Input Offset Voltage	10 mV	10 mV	10 mV	10 mV	10 mV
Common Mode Rejection	70 dB	80 dB	70 dB	80 dB	80 dB
Supply Voltage	15 V	15 V	15 V	15 V	15 V
Operating Supply Current	1.4 mA	1.4 mA	1.4 mA	1.4 mA	5 mA
Voltage Gain	106.02 dB	106.02 dB	106.02 dB	106.02 dB	106.02 dB

TL071CD Block Diagram

The TL071CD operational amplifier is valued for its high-speed performance and low noise characteristics. It integrates a variety of internal components central to analog signal processing. Understanding the block diagram of the TL071CD provides deep insights into its design and functionality, aiding in harnessing its capabilities for a range of applications.

TL071CD Packages

Ref.	Dimensions	Millimeters (Min.)	Millimeters (Typ.)	Millimeters (Max.)	Inches (Min.)	Inches (Typ.)	Inches (Max.)
A	Height (A)		1.75			0.069
A1	Stand-off Height	0.1	0.25		0.004	0.01
A2	Body Thickness		1.25			0.049
b	Lead Width	0.28	0.48		0.011	0.019
c	Lead Thickness	0.17	0.23		0.007	0.009
D	Body Length	4.8	4.9	5	0.189	0.193	0.197
E	Body Width	5.8	6	6.2	0.228	0.236	0.244
E1	Body Width Excl. Leads	3.8	3.9	4	0.15	0.154	0.157
e	Pin Pitch		1.27			0.05
h	Lead Offset	0.25	0.5		0.01	0.02
L	Lead Length	0.4	1.27		0.016	0.05
L1	Pin-to-pin Length		1.04			0.04
k	Lead Angle	1°		8°	1°		8°
ccc	Coplanarity		0.1			0.004

Manufacturer Information

STMicroelectronics stands as one of the most distinguished independent semiconductor companies. Its reputation is built on world-leading semiconductor solutions that influence diverse microelectronics applications. Through a harmonious blend of silicon and systems expertise, extensive manufacturing capabilities, and a rich IP portfolio, the company positions itself at the cutting edge of technology. This unique combination drives innovations that address both current and future technological needs, fostering a landscape of continuous progress.

STMicroelectronics excels in System-on-Chip (SoC) technology, symbolizing the essence of modern technological convergence. Given the growing demand for multifunctional devices in limited spaces, SoC technology becomes an exemplary solution. By embedding multiple functionalities into a single silicon chip, efficiency is optimized, and costs are reduced. This innovation is not just a technical marvel but a pathway to more seamless experiences. One of the core elements of STMicroelectronics' triumph is its strategic alliances with industry leaders. These collaborations enhance innovation by integrating various forms of expertise and resources. Notably, partnerships with global tech giants catalyze the creation of advanced semiconductors tailored to specialized industry needs. The blending of these partnerships fuels the company’s pioneering spirit in a market characterized by rapid evolution.

Datasheet PDF

1. TL071CD Datasheets:

TL071CD.pdf

TL071CD Details PDF

TL071CD PDF - DE.pdf

2. TL081IDT Datasheets:

TL081IDT.pdf

TL081IDT Details PDF

TL081IDT PDF - DE.pdf

TL081IDT PDF - FR.pdf

TL081IDT PDF - ES.pdf

TL081IDT PDF - IT.pdf

TL081IDT PDF - KR.pdf

3. TL071IDT Datasheets:

TL071IDT.pdf

TL071IDT Details PDF

TL071IDT PDF - DE.pdf

TL071IDT PDF - FR.pdf

TL071IDT PDF - ES.pdf

TL071IDT PDF - IT.pdf

TL071IDT PDF - KR.pdf

4. LF356MX/NOPB Datasheets:

LF356MX/NOPB.pdf

LF356MX/NOPB Details PDF

LF356MX/NOPB PDF - DE.pdf

LF356MX/NOPB PDF - FR.pdf

LF356MX/NOPB PDF - ES.pdf

LF356MX/NOPB PDF - IT.pdf

LF356MX/NOPB PDF - KR.pdf

5. TL081CDT Datasheets:

TL081CDT.pdf

TL081CDT Details PDF

TL081CDT PDF - DE.pdf

Frequently Asked Questions [FAQ]

1. What is IC TL071?

The IC TL071 stands out as a high-speed, JFET input, single operational amplifier. It incorporates well-matched, high-voltage JFET and bipolar transistors into an elegant monolithic structure. This combination ensures remarkable performance, particularly in applications requiring precise signal processing—a critical element for tasks that demand both accuracy and efficiency.

2. How do I test TL071?

Testing the TL071 involves a detailed examination of its datasheet for exact input/output configurations. Start by measuring the DC voltages: Position the black probe on the metal chassis and the red probe on pin 8 (+V supply for the Op-amp). Then, verify the voltage at pin 4 (-V supply for the Op-amp). To gain a comprehensive understanding, contemplate scenarios akin to those found in circuit diagnostics. Here, voltage measurements serve as initial indicators of component functionality, bridging the gap between theoretical reference and practical application.

3. What can replace the TL071 single operational amplifier?

In situations necessitating a replacement for the TL071, consider TL061 or KF351 as effective alternatives. These substitutes highlight junction FET input stages and high input impedance, all while being pin-compatible with TL071. This interchangeability, a common requirement in various engineering projects, emphasizes the ease of maintaining high input impedance and similar electrical characteristics for a seamless transition.