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TDA8932B Datasheet(PDF) 12 Page - NXP Semiconductors |
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TDA8932B Datasheet(HTML) 12 Page - NXP Semiconductors |
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12 / 48 page 
TDA8932B_4 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 04 — 18 December 2008 12 of 48 NXP Semiconductors TDA8932B Class-D audio amplifier • Pins HVP1 and HVP2: The time required for charging the SE capacitor depends on its value. The half supply voltage output is disabled when the TDA8932B is used in a symmetrical supply application. • Pin HVPREF: This output voltage reference buffer charges the capacitor on pin HVPREF. • Pin INREF: This output voltage reference buffer charges the input reference capacitor on pin INREF. Pin INREF applies the bias voltage for the inputs. 9. Internal circuitry Table 7. Internal circuitry Pin Symbol Equivalent circuit 1VSSD(HW) 16 VSSD(HW) 17 VSSD(HW) 32 VSSD(HW) 2 IN1P 3 IN1N 12 INREF 14 IN2N 15 IN2P 4 DIAG 001aad784 1, 16, 17, 32 VSSA VDDA 001aad785 2 k Ω ± 20 % 2 k Ω ± 20 % 48 k Ω ± 20 % 48 k Ω ± 20 % 2, 15 12 3, 14 HVPREF VDDA VSSA V/I V/I 001aaf607 100 k Ω ± 20 % 500 Ω ± 20 % 50 µA 2.5 V 4 VSSA VDDA CGND |
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