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TDA8933 Datasheet(PDF) 23 Page - NXP Semiconductors |
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TDA8933 Datasheet(HTML) 23 Page - NXP Semiconductors |
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23 / 47 page  TDA8933_1 © NXP B.V. 2007. All rights reserved. Preliminary data sheet Rev. 01 — 15 May 2007 23 of 47 NXP Semiconductors TDA8933 Class-D audio amplifier [1] Output power is measured indirectly; based on RDSon measurement. [2] 2 layer application board (55 mm × 45 mm), 35 µm copper, FR4 base material in free air with natural convection. [3] THD+N is measured in a bandwidth of 20 Hz to 20 kHz, AES17 brick wall. [4] B = 22 Hz to 20 kHz, AES17 brick wall. [5] RS is the series resistance of inductor and capacitor of low-pass LC filter in the application. Vn(o) noise output voltage Rs = 0 Ω Operating mode [4] - 100 150 µV Mute mode [4] - 70 100 µV VO(mute) mute output voltage Mute mode; Vi = 1 V (RMS) and fi = 1 kHz - 100 - µV CMRR common mode rejection ratio Vi(cm) = 1 V (RMS) - 75 - dB ηpo output power efficiency Po = 17 W; VP = 17 V; RL = 8 Ω 87 89 - % Po = 21 W; VP = 25 V; RL = 16 Ω 90 92 - % Table 13. BTL characteristics …continued VP = 25 V, RL = 16 Ω, fi = 1 kHz, fosc = 320 kHz, RS < 0.1 Ω [5] and Tamb = 25 °C; unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit |
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