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TDA7053A Fiches technique(PDF) 9 Page - NXP Semiconductors |
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TDA7053A Fiches technique(HTML) 9 Page - NXP Semiconductors |
9 / 16 page 1997 Jul 15 9 Philips Semiconductors Product specification Stereo BTL audio output amplifier with DC volume control TDA7053A Fig.11 Input signal handling. THD = 1 %. handbook, halfpage 020 VP (V) Vin (V) 2.0 0 0.4 MBG665 0.8 1.2 1.6 4 8 12 16 Fig.12 Volume control current as a function of volume control voltage. handbook, halfpage 0 IVC ( µA) 2.0 VVC (V) 30 −10 −20 −30 20 10 0 MBG666 0.4 0.8 1.2 1.6 APPLICATION INFORMATION The application diagram is illustrated in Fig.13. Test conditions Tamb =25 °C unless otherwise specified; VP =6V; VDC = 1.4 V; fi = 1 kHz; RL =8 Ω. The quiescent current has been measured without load impedance. The output power as a function of the supply voltage has been measured at THD = 10%. The maximum output power is limited by the maximum power dissipation and the maximum available output current. The maximum input signal voltage is measured at THD = 1% at the output with a voltage gain of 0 dB. To avoid instabilities and too high distortion, the input ground and power ground must be separated as far as possible and connected as close as possible to the IC. The DC volume control can be applied in several ways. Two possible circuits are shown below the main application diagram. The circuits at the control pin will influence the switch-on and switch-off behaviour and the maximum voltage gain. For single-end applications the output peak current must not exceed 100 mA. At higher output currents the short-circuit protection (MCL) will be active. |
Numéro de pièce similaire - TDA7053A |
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Description similaire - TDA7053A |
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