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TDA8547T Arkusz danych(PDF) 7 Page - NXP Semiconductors |
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TDA8547T Arkusz danych(HTML) 7 Page - NXP Semiconductors |
7 / 24 page 1997 Oct 07 7 Philips Semiconductors Preliminary specification 2 × 1 W BTL audio amplifier with output channel switching TDA8547 DC CHARACTERISTICS VCC =5V; Tamb =25 °C; RL =8 Ω; VMODE = 0 V; gain = 20 dB; measured in BTL application circuit Fig.4; unless otherwise specified. Notes 1. Measured with RL = ∞. With a load connected at the outputs the quiescent current will increase, the maximum of this increase being equal to the DC output offset voltage divided by RL. 2. The DC output voltage with respect to ground is approximately 0.5VCC. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT VCC supply voltage operating 2.2 5 18 V Iq quiescent current BTL 2 channels; note 1 − 15 22 mA BTL 1 channel; note 1 − 812 mA Istb standby current VMODE =VCC −− 10 µA VO DC output voltage note 2 − 2.2 − V VOUT+ − VOUT− differential output voltage offset −− 50 mV IIN+, IIN− input bias current −− 500 nA VMODE input voltage MODE pin operating 0 − 0.5 V mute 1.5 − VCC − 1.5 V standby VCC − 0.5 − VCC V IMODE input current MODE pin 0 V < VMODE <VCC −− 20 µA VSELECT input voltage SELECT pin channel 1 = standby; channel 2 = on 0 − 1V channel 1 = on; channel 2 = standby VCC − 1 − VCC V ISELECT input current SELECT pin VSELECT =0V −− 100 µA |
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