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TDA8542AT Datasheet(PDF) 7 Page - NXP Semiconductors |
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TDA8542AT Datasheet(HTML) 7 Page - NXP Semiconductors |
7 / 20 page 1998 Mar 25 7 Philips Semiconductors Product specification 2 × 1.5 W BTL audio amplifier TDA8542AT AC CHARACTERISTICS VCC =6V; Tamb =25 °C; RL =8 Ω; f = 1 kHz; VMODE = 0 V; measured in test circuit Fig.3; unless otherwise specified. Notes 1. Gain of the amplifier is in test circuit of Fig.3. 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 kHz, so including noise. SYMBOL PARAMETER CONDITIONS MIN. TYP. MAX. UNIT Po output power THD = 10% 1.2 1.5 − W THD = 0.5% 0.9 1.1 − W THD total harmonic distortion Po = 0.4 W − 0.15 0.3 % Gv(cl) closed-loop voltage gain note 1 6 − 30 dB Zi(dif) differential input impedance − 100 − k Ω Vn(o) noise output voltage note 2 −− 100 µV SVRR supply voltage ripple rejection note 3 50 −− dB note 4 40 −− dB Vo(mute) output voltage in mute condition note 5 −− 200 µV αcs channel separation 40 −− dB 2 R2 R1 -------- × |
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