TEA2025 Stereo Audio Amplifier: Circuit, Datasheet and Equivalent
1.5A mA 4.7W W Audio Amplifiers 6.35mm mm 6.35mm mm 16 pins 16-DIP (0.300, 7.62mm)









1.5A mA 4.7W W Audio Amplifiers 6.35mm mm 6.35mm mm 16 pins 16-DIP (0.300, 7.62mm)
TEA2025 is a stereo audio amplifier. This article enforces circuit, datasheet, pinout, equivalent, and other details about the TEA2025 audio amplifier. Furthermore, there is a huge range of semiconductors, capacitors, resistors, and ICs in stock. Welcome your RFQ!

How to Make Audio Amplifier Using TEA2025 IC
TEA2025 Pinout

TEA2025 Pinout
TEA2025 CAD Model
Symbol

TEA2025 Symbol
Footprint

TEA2025 Footprint
TEA2025 Description
The TEA2025 is a monolithic integrated audio amplifier IC in a 16-pin plastic dual in-line package. It is originally designed for portable cassette players and radios, but it can be used to make a pretty decent stereo audio amplifier for an iPod or mp3 player.
Specifications
- TypeParameter
- Mount
In electronic components, the term "Mount" typically refers to the method or process of physically attaching or fixing a component onto a circuit board or other electronic device. This can involve soldering, adhesive bonding, or other techniques to secure the component in place. The mounting process is crucial for ensuring proper electrical connections and mechanical stability within the electronic system. Different components may have specific mounting requirements based on their size, shape, and function, and manufacturers provide guidelines for proper mounting procedures to ensure optimal performance and reliability of the electronic device.
Through Hole - Mounting Type
The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.
Through Hole - Package / Case
refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.
16-DIP (0.300, 7.62mm) - Number of Pins16
- Weight4.535924g
- Packaging
Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.
Tube - JESD-609 Code
The "JESD-609 Code" in electronic components refers to a standardized marking code that indicates the lead-free solder composition and finish of electronic components for compliance with environmental regulations.
e4 - Pbfree Code
The "Pbfree Code" parameter in electronic components refers to the code or marking used to indicate that the component is lead-free. Lead (Pb) is a toxic substance that has been widely used in electronic components for many years, but due to environmental concerns, there has been a shift towards lead-free alternatives. The Pbfree Code helps manufacturers and users easily identify components that do not contain lead, ensuring compliance with regulations and promoting environmentally friendly practices. It is important to pay attention to the Pbfree Code when selecting electronic components to ensure they meet the necessary requirements for lead-free applications.
yes - Part Status
Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.
Obsolete - Moisture Sensitivity Level (MSL)
Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures
1 (Unlimited) - Number of Terminations16
- ECCN Code
An ECCN (Export Control Classification Number) is an alphanumeric code used by the U.S. Bureau of Industry and Security to identify and categorize electronic components and other dual-use items that may require an export license based on their technical characteristics and potential for military use.
EAR99 - TypeClass AB
- Terminal Finish
Terminal Finish refers to the surface treatment applied to the terminals or leads of electronic components to enhance their performance and longevity. It can improve solderability, corrosion resistance, and overall reliability of the connection in electronic assemblies. Common finishes include nickel, gold, and tin, each possessing distinct properties suitable for various applications. The choice of terminal finish can significantly impact the durability and effectiveness of electronic devices.
Nickel/Palladium/Gold (Ni/Pd/Au) - Max Operating Temperature
The Maximum Operating Temperature is the maximum body temperature at which the thermistor is designed to operate for extended periods of time with acceptable stability of its electrical characteristics.
150°C - Min Operating Temperature
The "Min Operating Temperature" parameter in electronic components refers to the lowest temperature at which the component is designed to operate effectively and reliably. This parameter is crucial for ensuring the proper functioning and longevity of the component, as operating below this temperature may lead to performance issues or even damage. Manufacturers specify the minimum operating temperature to provide guidance to users on the environmental conditions in which the component can safely operate. It is important to adhere to this parameter to prevent malfunctions and ensure the overall reliability of the electronic system.
0°C - Voltage - Supply
Voltage - Supply refers to the range of voltage levels that an electronic component or circuit is designed to operate with. It indicates the minimum and maximum supply voltage that can be applied for the device to function properly. Providing supply voltages outside this range can lead to malfunction, damage, or reduced performance. This parameter is critical for ensuring compatibility between different components in a circuit.
3V~12V - Terminal Position
In electronic components, the term "Terminal Position" refers to the physical location of the connection points on the component where external electrical connections can be made. These connection points, known as terminals, are typically used to attach wires, leads, or other components to the main body of the electronic component. The terminal position is important for ensuring proper connectivity and functionality of the component within a circuit. It is often specified in technical datasheets or component specifications to help designers and engineers understand how to properly integrate the component into their circuit designs.
DUAL - Number of Functions1
- Base Part Number
The "Base Part Number" (BPN) in electronic components serves a similar purpose to the "Base Product Number." It refers to the primary identifier for a component that captures the essential characteristics shared by a group of similar components. The BPN provides a fundamental way to reference a family or series of components without specifying all the variations and specific details.
TEA2025 - Pin Count
a count of all of the component leads (or pins)
16 - Output Type
The "Output Type" parameter in electronic components refers to the type of signal or data that is produced by the component as an output. This parameter specifies the nature of the output signal, such as analog or digital, and can also include details about the voltage levels, current levels, frequency, and other characteristics of the output signal. Understanding the output type of a component is crucial for ensuring compatibility with other components in a circuit or system, as well as for determining how the output signal can be utilized or processed further. In summary, the output type parameter provides essential information about the nature of the signal that is generated by the electronic component as its output.
1-Channel (Mono) or 2-Channel (Stereo) - Operating Supply Voltage
The voltage level by which an electrical system is designated and to which certain operating characteristics of the system are related.
9V - Supply Voltage-Min (Vsup)
The parameter "Supply Voltage-Min (Vsup)" in electronic components refers to the minimum voltage level required for the component to operate within its specified performance range. This parameter indicates the lowest voltage that can be safely applied to the component without risking damage or malfunction. It is crucial to ensure that the supply voltage provided to the component meets or exceeds this minimum value to ensure proper functionality and reliability. Failure to adhere to the specified minimum supply voltage may result in erratic behavior, reduced performance, or even permanent damage to the component.
3V - Number of Channels2
- Nominal Supply Current
Nominal current is the same as the rated current. It is the current drawn by the motor while delivering rated mechanical output at its shaft.
1.5A - Quiescent Current
The quiescent current is defined as the current level in the amplifier when it is producing an output of zero.
35mA - Output Power
That power available at a specified output of a device under specified conditions of operation.
2.3W - Supply Type
Supply Type in electronic components refers to the classification of power sources used to operate the component. It indicates whether the component requires DC or AC power, and if DC, specifies the voltage levels such as low, medium, or high. Different supply types can affect the performance, compatibility, and application of the component in electronic circuits. Understanding the supply type is crucial for proper component selection and integration into electronic designs.
Single - Voltage Gain
Voltage gain is a measure of how much an electronic component or circuit amplifies an input voltage signal to produce an output voltage signal. It is typically expressed as a ratio or in decibels (dB). A higher voltage gain indicates a greater amplification of the input signal. Voltage gain is an important parameter in amplifiers, where it determines the level of amplification provided by the circuit. It is calculated by dividing the output voltage by the input voltage and is a key factor in determining the overall performance and functionality of electronic devices.
51dB - Power Supply Rejection Ratio (PSRR)
Power Supply Rejection Ratio (PSRR) is a measure of how well an electronic component, such as an operational amplifier or voltage regulator, can reject changes in its supply voltage. It indicates the ability of the component to maintain a stable output voltage despite fluctuations in the input supply voltage. A higher PSRR value signifies better performance in rejecting noise and variations from the power supply, leading to improved signal integrity and more reliable operation in electronic circuits. PSRR is typically expressed in decibels (dB).
46dB - Gain
In electronic components, "Gain" refers to the ratio of the output signal amplitude to the input signal amplitude. It is a measure of the amplification provided by the component, such as a transistor or operational amplifier. Gain is typically expressed in decibels (dB) or as a numerical value, indicating how much the signal is amplified by the component.A higher gain value indicates a greater amplification of the input signal, while a lower gain value indicates less amplification. Gain is an important parameter in designing and analyzing electronic circuits, as it determines the overall performance and functionality of the system. Different components have different gain characteristics, and understanding the gain of a component is crucial for achieving the desired signal processing or amplification in electronic systems.
51 dB - Max Output Power
The maximum output power = the maximum output current × the rated output voltage
4.7W - Max Output Power x Channels @ Load
Max Output Power x Channels @ Load is a specification that describes the maximum power output that an electronic component, such as an amplifier or audio device, can deliver across a certain number of channels at a specific load impedance. This parameter is important for understanding the capability of the component to drive speakers or other devices effectively. The value is typically expressed in watts and can vary depending on the number of channels being used and the impedance of the load. It helps users determine the compatibility of the component with their audio setup and ensures that the component can provide sufficient power for optimal performance.
4.7W x 1 @ 8 Ω; 2.4W x 2 @ 8 Ω - Harmonic Distortion
Harmonic distortion is a common parameter used to describe the quality of audio or electronic signals. It refers to the presence of unwanted harmonics or additional frequencies in the output signal that were not present in the input signal. These harmonics are typically multiples of the original signal frequency and can distort the waveform, affecting the overall sound quality or performance of the electronic component. Lower harmonic distortion values indicate a cleaner and more accurate output signal, while higher distortion levels can result in a more distorted or altered sound. Manufacturers often specify harmonic distortion levels in percentage or decibels to help users understand the quality of the component's output.
10% - Load Impedance
Load impedance is a crucial parameter in electronic components that refers to the impedance presented by the load to the output of a circuit or device. It is a measure of how much the load resists the flow of current from the source. Load impedance is typically expressed in ohms and can greatly affect the performance and efficiency of a circuit. Matching the load impedance to the source impedance is important for maximum power transfer and signal integrity in electronic systems. Failure to properly match load impedance can result in signal distortion, power loss, and reduced overall performance of the circuit.
30kOhm - Features
In the context of electronic components, the term "Features" typically refers to the specific characteristics or functionalities that a particular component offers. These features can vary depending on the type of component and its intended use. For example, a microcontroller may have features such as built-in memory, analog-to-digital converters, and communication interfaces like UART or SPI.When evaluating electronic components, understanding their features is crucial in determining whether they meet the requirements of a particular project or application. Engineers and designers often look at features such as operating voltage, speed, power consumption, and communication protocols to ensure compatibility and optimal performance.In summary, the "Features" parameter in electronic components describes the unique attributes and capabilities that differentiate one component from another, helping users make informed decisions when selecting components for their electronic designs.
Depop, Thermal Protection - Height6.35mm
- Length2.54mm
- Width6.35mm
- REACH SVHC
The parameter "REACH SVHC" in electronic components refers to the compliance with the Registration, Evaluation, Authorization, and Restriction of Chemicals (REACH) regulation regarding Substances of Very High Concern (SVHC). SVHCs are substances that may have serious effects on human health or the environment, and their use is regulated under REACH to ensure their safe handling and minimize their impact.Manufacturers of electronic components need to declare if their products contain any SVHCs above a certain threshold concentration and provide information on the safe use of these substances. This information allows customers to make informed decisions about the potential risks associated with using the components and take appropriate measures to mitigate any hazards.Ensuring compliance with REACH SVHC requirements is essential for electronics manufacturers to meet regulatory standards, protect human health and the environment, and maintain transparency in their supply chain. It also demonstrates a commitment to sustainability and responsible manufacturing practices in the electronics industry.
No SVHC - Radiation Hardening
Radiation hardening is the process of making electronic components and circuits resistant to damage or malfunction caused by high levels of ionizing radiation, especially for environments in outer space (especially beyond the low Earth orbit), around nuclear reactors and particle accelerators, or during nuclear accidents or nuclear warfare.
No - RoHS Status
RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.
ROHS3 Compliant - Lead Free
Lead Free is a term used to describe electronic components that do not contain lead as part of their composition. Lead is a toxic material that can have harmful effects on human health and the environment, so the electronics industry has been moving towards lead-free components to reduce these risks. Lead-free components are typically made using alternative materials such as silver, copper, and tin. Manufacturers must comply with regulations such as the Restriction of Hazardous Substances (RoHS) directive to ensure that their products are lead-free and environmentally friendly.
Lead Free
TEA2025 Features
Dual or bridge connection modes
Few external components
Supply voltage 3 V to 15 V
High channel separation
Very low switch-on/off the noise
Max gain of 45 dB with adjustable external resistor
Soft clipping
Thermal protection
PO= 2 · 1 W, VS= 6 V, RL= 4 Ω
PO= 2 · 2.3 W, VS= 9 V, RL= 4 Ω
PO= 2 · 0.1 W, VS= 3 V, RL= 4 Ω
TEA2025 Circuit

TEA2025 Application Circuit in Stereo Mode

TEA2025 Application Circuit in Bridge Mode
The device has a maximum gain of 45 decibels. It can, however, be reduced by connecting the feedback pins (6 and 11 on the pin diagram) to the ground with an external RC series circuit. The datasheet advises against lowering the gain below 36 dB. Use R=0 and C=100 F (as specified in the application circuit above) between the feedback and ground to acquire the highest gain.
The low cut-off frequency (fL) of the output signal depends upon the load resistance (speaker, RL) and the output capacitor 470 µF. If the speaker resistance is 4, the low cut-off frequency will be,
fL = 1/(2? CRL) = 80 Hz
TEA2025 Equivalents
LA4192, KA2206B, TDA2030, TDA2050, TEA2025B
KA2206 vs. TEA2025 vs. LA4192
Similarities
The KA2206 and TEA2025, as well as the LA4192, are similar in that they can be utilized to accomplish the same duty with little or no difference. In conclusion, these ICS are interchangeable.
KA 2206 LA 4192 &TEA2025 have the same number of pins, with 8 on each side for a total of 16 dips.
They all feature a DIP 12F plastic case with an identical rectangular form and dimensions.
All of these ICs require thermal protection, thus a heat sink is a necessity for them to last.
The operating supply voltages for the KA2206, LA4192 and TEA2025 are the same, ranging from 3 to 12V.
Both stereo and bridged applications are available for the LA4192, KA2206, and TEA2025. The stereo application sends the bass to the speakers, while the bridged application sends the Mids.
Distinction
The most noticeable distinction is that the KA2206 has a ground pin in the middle, but the TEA2025 does not.
Another distinction is that the KA2206 performs better in specific applications than the TEA2025, depending on the circuit schematics.
TEA2025 Dimensions


TEA2025 Dimensions
TEA2025 Manufacturer
STMicroelectronics is a globally recognized semiconductor company. They are dedicated to developing semiconductor solutions for various microelectronics applications. STMicroelectronics enjoys unrivaled silicon and system expertise, strong manufacturing strength, IP portfolio, and solid relationships with their strategic partners. Based on these advantages, STMicroelectronics has become a pioneer in System-on-Chip (SoC) technology and its products have a positive effect in realizing today's convergence trends.
Trend Analysis
Datasheet PDF
- Datasheets :
TEA2025B-STMicroelectronics-datasheet-12537740.pdf
TEA2025B-STMicroelectronics-datasheet-10838601.pdf
TEA2025B-STMicroelectronics-datasheet-14136304.pdf
TEA2025B-STMicroelectronics-datasheet-47801.pdf
TEA2025B-STMicroelectronics-datasheet-102930.pdf
pid_4771138_tea2025b-stmicroelectronics-datasheet-10838601.pdf
What is TEA2025 used for?
The UTC TEA2025 is a monolithic integrated audio amplifier IC in a 16-pin plastic dual in-line package. It is originally designed for portable cassette players and radios, but it can be used to make a pretty decent stereo audio amplifier for an iPod or mp3 player.
Which sound quality is better TDA2030 or TEA2025?
TDA2030 is better. Their scope of application is quite different. TDA2030 reaches 15W, TEA2025 is about 3W. The quiescent current of TDA2030 is larger and requires a higher power supply. TDA2030 is close to the HiFi index and is generally used in entry-level audio; The quiescent current of TEA2025 is smaller, while TEA2025's electro-acoustic index is worse, and it can only be loud. It is generally used in low-end sound cards, desktop small speakers, etc.
PL602-21TI-R Clock Generator: Pinout, Equivalent and Datasheet12 March 2022416
1N4744A Zener Diodes: Circuit, Pinout, and Datasheet08 November 20214202
AD5420 16-Bit DAC Design Notes: Managing Thermal Limits, HART Slew Rates, and 4-20mA Loops06 May 202661
A Comprehensive Guide to LTC7138MPMSE#TRPBF DC-DC Switching Regulator06 March 2024255
GRM21BR71C475KA73L Ceramic Capacitor: Datasheet, Price, GRM Series15 March 2022308
A Comprehensive Guide to LTC6911IMS-2#TRPBF Programmable Gain Instrumentation Amplifier06 March 2024295
TCRT5000L:Datasheet, Package, and Manufacturer14 March 20221900
AD8232 Single-Lead ECG Front End Design Guide20 January 20262353
What to Know Before Buying CR1225 Battery Equivalent05 September 20251850
Basic Introduction to Color Sensor07 January 202613701
Design and Implementation of High Frequency Inverter for Printer Based on IR211013 April 20229756
Battery Management System (BMS) Implementation Form and Chip Performance Analysis28 April 20223976
What are the Commonly Used Circuit Protection Components?04 May 20225972
Characteristics and Working Principle of IGBT31 October 202522440
What is Graphics Processing Unit (GPU)?18 October 20217868
Rectifier Diode: Function and Circuit12 August 202022384
STMicroelectronics
In Stock: 125
United States
China
Canada
Japan
Russia
Germany
United Kingdom
Singapore
Italy
Hong Kong(China)
Taiwan(China)
France
Korea
Mexico
Netherlands
Malaysia
Austria
Spain
Switzerland
Poland
Thailand
Vietnam
India
United Arab Emirates
Afghanistan
Åland Islands
Albania
Algeria
American Samoa
Andorra
Angola
Anguilla
Antigua & Barbuda
Argentina
Armenia
Aruba
Australia
Azerbaijan
Bahamas
Bahrain
Bangladesh
Barbados
Belarus
Belgium
Belize
Benin
Bermuda
Bhutan
Bolivia
Bonaire, Sint Eustatius and Saba
Bosnia & Herzegovina
Botswana
Brazil
British Indian Ocean Territory
British Virgin Islands
Brunei
Bulgaria
Burkina Faso
Burundi
Cabo Verde
Cambodia
Cameroon
Cayman Islands
Central African Republic
Chad
Chile
Christmas Island
Cocos (Keeling) Islands
Colombia
Comoros
Congo
Congo (DRC)
Cook Islands
Costa Rica
Côte d’Ivoire
Croatia
Cuba
Curaçao
Cyprus
Czechia
Denmark
Djibouti
Dominica
Dominican Republic
Ecuador
Egypt
El Salvador
Equatorial Guinea
Eritrea
Estonia
Eswatini
Ethiopia
Falkland Islands
Faroe Islands
Fiji
Finland
French Guiana
French Polynesia
Gabon
Gambia
Georgia
Ghana
Gibraltar
Greece
Greenland
Grenada
Guadeloupe
Guam
Guatemala
Guernsey
Guinea
Guinea-Bissau
Guyana
Haiti
Honduras
Hungary
Iceland
Indonesia
Iran
Iraq
Ireland
Isle of Man
Israel
Jamaica
Jersey
Jordan
Kazakhstan
Kenya
Kiribati
Kosovo
Kuwait
Kyrgyzstan
Laos
Latvia
Lebanon
Lesotho
Liberia
Libya
Liechtenstein
Lithuania
Luxembourg
Macao(China)
Madagascar
Malawi
Maldives
Mali
Malta
Marshall Islands
Martinique
Mauritania
Mauritius
Mayotte
Micronesia
Moldova
Monaco
Mongolia
Montenegro
Montserrat
Morocco
Mozambique
Myanmar
Namibia
Nauru
Nepal
New Caledonia
New Zealand
Nicaragua
Niger
Nigeria
Niue
Norfolk Island
North Korea
North Macedonia
Northern Mariana Islands
Norway
Oman
Pakistan
Palau
Palestinian Authority
Panama
Papua New Guinea
Paraguay
Peru
Philippines
Pitcairn Islands
Portugal
Puerto Rico
Qatar
Réunion
Romania
Rwanda
Samoa
San Marino
São Tomé & Príncipe
Saudi Arabia
Senegal
Serbia
Seychelles
Sierra Leone
Sint Maarten
Slovakia
Slovenia
Solomon Islands
Somalia
South Africa
South Sudan
Sri Lanka
St Helena, Ascension, Tristan da Cunha
St. Barthélemy
St. Kitts & Nevis
St. Lucia
St. Martin
St. Pierre & Miquelon
St. Vincent & Grenadines
Sudan
Suriname
Svalbard & Jan Mayen
Sweden
Syria
Tajikistan
Tanzania
Timor-Leste
Togo
Tokelau
Tonga
Trinidad & Tobago
Tunisia
Turkey
Turkmenistan
Turks & Caicos Islands
Tuvalu
U.S. Outlying Islands
U.S. Virgin Islands
Uganda
Ukraine
Uruguay
Uzbekistan
Vanuatu
Vatican City
Venezuela
Wallis & Futuna
Yemen
Zambia
Zimbabwe


Product
Brand
Articles
Tools







