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TDA8932B Datasheet(PDF) 18 Page - NXP Semiconductors |
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TDA8932B Datasheet(HTML) 18 Page - NXP Semiconductors |
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18 / 48 page 
TDA8932B_4 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 04 — 18 December 2008 18 of 48 NXP Semiconductors TDA8932B Class-D audio amplifier Diagnostic output: pin DIAG[1] VO output voltage protection activated; see Table 6 - - 0.8 V Operating mode 2 2.5 3.3 V Bias voltage for inputs: pin INREF VO(bias) bias output voltage with respect to pin VSSA - 2.1 - V Half supply voltage Pins HVP1 and HVP2 VO output voltage half supply voltage to charge SE capacitor 0.5VP − 0.2 0.5VP 0.5VP + 0.2 V IO output current VHVP1 = VO − 1V; VHVP2 =VO − 1V -50 - mA Pin HVPREF VO output voltage half supply reference voltage in Mute mode 0.5VP − 0.2 0.5VP 0.5VP + 0.2 V Reference voltage for internal logic: pin DREF VO output voltage 4.5 4.8 5.1 V Amplifier outputs: pins OUT1 and OUT2 |VO(offset)| output offset voltage SE; with respect to pin HVPREF Mute mode - - 15 mV Operating mode - - 100 mV BTL Mute mode - - 20 mV Operating mode - - 150 mV Stabilizer output: pins STAB1 and STAB2 VO output voltage Mute mode and Operating mode; with respect to pins VSSP1 and VSSP2 10 11 12 V Voltage protection VP(uvp) undervoltage protection supply voltage 8.0 9.2 9.9 V VP(ovp) overvoltage protection supply voltage 36.1 37.4 40 V VP(th)(ubp)l low unbalance protection threshold supply voltage VHVPREF = 11 V - - 18 V VP(th)(ubp)h high unbalance protection threshold supply voltage VHVPREF = 11 V 29 - - V Current protection IO(ocp) overcurrent protection output current current limiting 4 5 - A Temperature protection Tact(th_prot) thermal protection activation temperature 155 - 160 °C Table 10. Static characteristics …continued VP = 22 V; fosc = 320 kHz; Tamb =25 °C; unless otherwise specified. Symbol Parameter Conditions Min Typ Max Unit |
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