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10W Car Radio Audio Amplifier10W
Bu sitede kullanılan tüm ürün adları, ticari markalar, markalar ve logolar ilgili sahiplerinin mülkiyetindedir. Bu adları, ticari markaları, markaları ve logoları içeren ürünlerin tasviri, açıklaması veya satışı yalnızca tanımlama amaçlıdır ve herhangi bir hak sahibi ile herhangi bir ilişkiyi veya yetkiyi göstermeyi amaçlamaz.
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Description
TDA2003 is a monolithic audio chip amplifier IC from STMicroelectronics which is mainly used in audio design circuits. This IC is widely used as a car radio audio amplifier and it can be operated in 8v -18v supply voltage and can deliver 10W to a maximum of 20W output power. Short circuit protection between all pins, low harmonic distortion, low cross over distortion, thermal overload protection is some of the special features in TDA2003.
Pin Configuration of TDA2003
Working principle of TDA2003
By connecting the audio signal that going to be amplified to pin number 1(non-inverting input) we can get the amplified audio output from pin number 4. Pin number 3(ground) and pin number 5(supply) use to power up the TDA2003.
Features in TDA2003
· Presence of several built-in protection systems.
· Performs better than TDA2002 (Pinto pin compatibility).
· Can be assembled easily.
· Low cost.
· Lower consumption of space.
· Less number of external components.
· Supports maximum power output of 20W.
· It can be easily used in breadboards.
Built in protection System in TDA2003
· Load dump voltage surge protection –This protects the IC by withstanding a voltage pulse train.
· Short circuit protection system - Which withstands a permeant short circuit on the output for a supply voltage up to 16V.
· Polarity inversion protection system – This can handle the high current without damaging the TDA2003 for a long time.
· Open ground protection - Avoids damages occurred when the ground is accidentally opened.
· Inductive load Protection - Allows using TDA2003 with inductive loads such as using a coupling transformer for audio modulation.
· DC voltage protection – This can withstand voltage up to 28V without doing any damage to the IC.
· Thermal shut-down protection allows following advantages:
a) Even in a permanent overload on output, Oran excessive ambient temperature can withstand easily.
b) Smaller factor in the heat-sink compared with other ICs causes less device damage in instances such as excessive junction temperatures.
Test Circuit
Component Name | Recommended value | Smaller than recommended value | Larger than recommended value | Purpose |
C1 | 2.2μF | Noise in switching ON/OFF | - | Input DC decoupling |
C2 | 470μF | SVR degradation | - | Ripple rejection |
C3 | 0.1μF | Oscillation risks | - | Supply bypassing |
C4 | 1000μF | High low-frequency cutoff | - | Output coupling to load |
C5 | 0. 1μF | Danger of oscillation at high frequencies with inductive loads | - | Frequency stability |
Cx | ≈1/2лBR1 | High bandwidth | Low bandwidth | Upper-frequency cutoff |
R1 | R2*(Gv-1) | Drain current increase | Setting of gain | |
R2 | 2.2 Ω | SVR degradation | The setting of gain and SVR | |
R3 | 1 Ω | Danger of oscillation at high frequencies with inductive loads | Frequency stability | |
Rx | ≈20R2 | Oscillation risks | Poor attenuation in high frequencies
| Upper-frequency cutoff |
Applications of TDA2003
· Used in applications that amplify low power electronic audio signals to a higher level. Such as in-home theater systems, radio, electric guitars tv &, etc.
· Used in applications that need to amplify a small signal (microwave frequency) to a relatively significant level.
· Used in dual/split voltage power supply applications.
· Used in applications in need of cascading audio speakers
BRIDGED AMPLIFIER SCHEMATIC USING TDA2003
Veri sayfasının ilk 3 sayfasının önizlemesi
| QUANTITY | UNIT PRICE | PLUS UNIT PRICE | TOTAL PRICE |
|---|---|---|---|
| ≥1: | US $0.69550 | US $0.62595 | US $0.62595 |
| ≥5: | US $0.55640 | US $0.50076 | US $2.50380 |
| ≥10: | US $0.31993 | US $0.28794 | US $2.87940 |
| ≥20: | US $0.27820 | US $0.25038 | US $5.00760 |
| ≥50: | US $0.25038 | US $0.22534 | US $11.26700 |
| ≥100: | US $0.24343 | US $0.21908 | US $21.90800 |
| ≥200: | US $0.23647 | US $0.21282 | US $42.56400 |
| ≥500: | US $0.22952 | US $0.20656 | US $103.28000 |
| ≥1000: | US $0.22256 | US $0.20030 | US $200.30000 |
Yedek Ürün
| Product Name | Description |
|---|---|
| TDA7294 | High-power audio amplifier IC, capable of delivering up to 60W into 4Ω with low distortion and high efficiency. It includes protection features such as thermal shutdown and short-circuit protection. |
| LM1875 | High-performance audio power amplifier IC, designed to deliver 35W into 8Ω. It features high slew rate, low noise, and comprehensive protection circuits including thermal and short-circuit protection. |
| TDA2030A | Low-voltage, high-efficiency audio amplifier IC, capable of delivering up to 14W into 4Ω. It is known for its robust design and ease of use in various audio applications. |
| TDA7378 | Dual-channel audio power amplifier IC, suitable for stereo applications. It can deliver up to 2 x 20W into 4Ω with low distortion and high reliability. |
| TDA2050 | High-fidelity audio amplifier IC, capable of delivering up to 20W into 8Ω. It features low noise, high slew rate, and built-in protection against overtemperature and short circuits. |
Ürün Kullanımı
The TDA2003 is a popular audio power amplifier integrated circuit (IC) designed for high-quality audio applications. It is widely used in various circuits and devices due to its robustness, good sound quality, and ease of use. Here are some common circuits and applications where the TDA2003 is often found:
Stereo Amplifiers:
Car Audio Systems:
Public Address (PA) Systems:
Guitar and Instrument Amplifiers:
Computer Speakers:
Home Theater Systems:
Intercom Systems:
Audio Test Equipment:
DIY Projects:
A basic TDA2003 amplifier circuit typically includes the following components:
Here is a simplified schematic diagram for a basic TDA2003 amplifier:
Required+Vcc (12V to 24V)
|
|---[1000μF]---+
|
|---[TDA2003]---+
| |
| +---[1000μF]--- Speaker (4Ω or 8Ω)
| |
| +--- GND
|
|---[10μF]--- Input Signal
|
+--- GND
In this diagram:
This basic configuration can be expanded with additional components for better performance, such as volume control, tone controls, and more sophisticated filtering.
Küresel Lojistik Ülke Listesi
| Bayrak | Ülke | Tahmini Teslimat Süresi | Minimum İlk Ağırlık Maliyeti | ||
|---|---|---|---|---|---|
| Ekspres | Standart Kargo | Ekspres (0.5kg) | Standart Kargo (0.05kg) | ||
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TDA2003
TDA2003 dünya çapında bölgesel farklılıklar veya satın alma nedeniyle TDA2003 için alternatif adlara sahip olabilecek çeşitli markalara sahiptir. TDA2003 aşağıdaki isimlerle de biliniyor olabilir
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