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TDA8547 Arkusz danych(PDF) 8 Page - NXP Semiconductors |
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TDA8547 Arkusz danych(HTML) 8 Page - NXP Semiconductors |
8 / 24 page 1997 Oct 07 8 Philips Semiconductors Preliminary specification 2 × 1 W BTL audio amplifier with output channel switching TDA8547 AC CHARACTERISTICS VCC =5V; Tamb =25 °C; RL =8 Ω; f = 1 kHz; VMODE = 0 V; gain = 20 dB; measured in BTL application circuit Fig.4; unless otherwise specified. Notes 1. Gain of the amplifier is in BTL application circuit Fig.4. 2. The noise output voltage is measured at the output in a frequency range from 20 Hz to 20 kHz (unweighted), with a source impedance of RS =0 Ω at the input. 3. Supply voltage ripple rejection is measured at the output, with a source impedance of RS =0 Ω at the input. The ripple voltage is a sine wave with a frequency of 1 kHz and an amplitude of 100 mV (RMS), which is applied to the positive supply rail. 4. Supply voltage ripple rejection is measured at the output, with a source impedance of RS =0 Ω at the input. The ripple voltage is a sine wave with a frequency between 100 Hz and 20 kHz and an amplitude of 100 mV (RMS), which is applied to the positive supply rail. 5. Output voltage in mute position is measured with a 1 V (RMS) input voltage in a bandwidth of 20 Hz to 20 kHz, so including noise. 6. Channel separation is measured at the output with a source impedance of RS =0 Ω at the input and a frequency of 1 kHz. The output power in the operating channel is set to 0.5 W. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Po output power THD = 10% 1 1.2 − W THD = 0.5% 0.6 0.9 − W THD total harmonic distortion Po = 0.5 W − 0.15 0.3 % Gv closed loop voltage gain note 1 6 − 30 dB Zi differential input impedance − 100 − k Ω Vno noise output voltage note 2 −− 100 µV SVRR supply voltage ripple rejection note 3 50 −− dB note 4 40 −− dB Vo output voltage note 5 −− 200 µV αcs channel separation VSELECT = 0.5VCC; note 6 40 −− dB 2 R2 R1 -------- × |
Podobny numer części - TDA8547 |
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Podobny opis - TDA8547 |
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