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TDA8932B Datasheet(PDF) 8 Page - NXP Semiconductors |
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TDA8932B Datasheet(HTML) 8 Page - NXP Semiconductors |
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8 / 48 page 
TDA8932B_4 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 04 — 18 December 2008 8 of 48 NXP Semiconductors TDA8932B Class-D audio amplifier (1) Where: fosc = oscillator frequency (Hz) Rosc = oscillator resistor (on pin OSCREF) ( Ω) Table 5 summarizes how to configure the TDA8932B in master or slave configuration. For device synchronization see Section 14.6 “Device synchronization”. 8.4 Protection The following protection is included in the TDA8932B: • Thermal Foldback (TF) • OverTemperature Protection (OTP) • OverCurrent Protection (OCP) • Window Protection (WP) • Supply voltage protection: – UnderVoltage Protection (UVP) – OverVoltage Protection (OVP) – UnBalance Protection (UBP) • ElectroStatic Discharge (ESD) The reaction of the device to the different fault conditions differs per protection. Fig 5. Oscillation frequency as a function of resistor Rosc Table 5. Master or slave configuration Configuration Pin OSCREF OSCIO Master Rosc > 25 k Ω to VSSD(HW) output Slave Rosc = 0 Ω; shorted to VSSD(HW) input f osc 12.45 10 9 × Rosc ---------------------------- = 350 450 550 fosc (kHz) 250 Rosc (k Ω) 25 45 40 30 35 001aad758 |
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