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TDA2050L-TB5-T Scheda tecnica(PDF) 5 Page - Unisonic Technologies |
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TDA2050L-TB5-T Scheda tecnica(HTML) 5 Page - Unisonic Technologies |
5 / 7 page TDA2050 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 5 www.unisonic.com.tw QW-R107-036,A TYPICAL APPLICATION CIRCUIT(CONT.) FOR SINGLE SUPPLY APPLICATION SUGGESTIONS + - RL R6 2.2Ω C6 0.47μF C5 100nF C3 1000μF +VS R5 22kΩ 3 4 2 C4 22μF R4 680Ω 1 C1 2.2μF R3 22kΩ 5 UTC TDA2050 IN C7 1000μF R2 22kΩ C2 1000μF R1 22kΩ Figure.2 Single Supply Typical Application Circuit The following table demonstrates the recommended values of the external components are those shown on above circuit. Different values can be used. RECOMMENDED VALUE COMPONENT PURPOSE TYPICAL LARGER SMALLER R1, R2, R3 Biasing Resistor 22kΩ R4 Feedback Resistor 22kΩ Increase of Gain Decrease of Gain* R5 680Ω Decrease of Gain* Increase of Gain R6 Frequency Stability 2.2Ω Danger of Oscillations C1 Input Decoupling DC 2.2µF Higher Low-frequency cut-off C2 Supply Voltage Rejection 100µF Worse Turn-off Transient Worse Turn-on Delay C3 Supply Voltage Bypass 1000µF Danger of Oscillations Worse of Turn-off Transient C4 Inverting Input DC Decoupling 22µF Increase of Switch ON/OFF Higher Low-frequency cut-off C5 Supply Voltage Bypass 100nF Danger of Oscillations C6 Frequency Stability 0.47µF Danger of Oscillations C7 Output DC Decoupling 1000µF Higher Low-frequency cut-off * The gain must be higher than 24dB NOTE: If the supply voltage is lower than 40V and the load is 8Ω(or more), a lower value of C2(i.e. 22µF) can be used. C7 can be larger than 1000µF only if the supply voltage does not exceed 40V. |
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