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TDA8943SF Arkusz danych(PDF) 8 Page - NXP Semiconductors |
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TDA8943SF Arkusz danych(HTML) 8 Page - NXP Semiconductors |
8 / 20 page Philips Semiconductors TDA8943SF 6 W mono Bridge Tied Load (BTL) audio amplifier Product specification Rev. 02 — 7 April 2000 8 of 20 9397 750 06865 © Philips Electronics N.V. 2000. All rights reserved. 12. Dynamic characteristics [1] The noise output voltage is measured at the output in a frequency range from 20 Hz to 20 kHz (unweighted), with a source impedance RS =0 Ω at the input. [2] Supply voltage ripple rejection is measured at the output, with a source impedance RS =0 Ω at the input. The ripple voltage is a sine wave with a frequency fripple and an amplitude of 700 mV (RMS), which is applied to the positive supply rail. [3] Output voltage in mute mode is measured with an input voltage of 1 V (RMS) in a bandwidth of 20 kHz, so including noise. Table 8: Dynamic characteristics VCC =12V; Tamb =25 °C; RL =8 Ω; f = 1 kHz; VMODE = 0 V; measured in test circuit Figure 13; unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit Po output power THD = 10% 5 6 - W THD = 0.5% 3 4 - W THD total harmonic distortion Po = 1 W - 0.03 0.1 % Gv voltage gain 31 32 33 dB Zi(dif) differential input impedance 70 90 110 k Ω Vn(o) noise output voltage [1] - 90 120 µV SVRR supply voltage ripple rejection fripple = 1 kHz [2] 50 65 - dB fripple = 100 Hz to 20 kHz [2] -60 - dB Vo(mute) output voltage mute mode [3] --50 µV Fig 5. Output voltage as function of mode voltage. handbook, full pagewidth VMODE (V) 20 MGU043 16 8 412 0 Vo (V) 10−3 10−2 10−1 1 10 10−4 10−5 |
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