PDF TDA8924 Data sheet ( Hoja de datos )

Número de pieza	TDA8924
Descripción	2 x 120 W class-D power amplifier
Fabricantes	NXP Semiconductors
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No Preview Available ! INTEGRATED CIRCUITS DATA SHEET TDA8924 2 × 120 W class-D power amplifier Objective speciﬁcation 2003 Jul 28 1 page Philips Semiconductors 2 × 120 W class-D power ampliﬁer Objective speciﬁcation TDA8924 7 PINNING SYMBOL VSSA2 SGND2 VDDA2 IN2− IN2+ MODE OSC IN1+ IN1− VDDA1 SGND1 VSSA1 PROT VDDP1 BOOT1 OUT1 VSSP1 STABI HW VSSP2 OUT2 BOOT2 VDDP2 VSSD PIN DESCRIPTION 1 negative analog supply voltage for channel 2 2 signal ground channel 2 3 positive analog supply voltage for channel 2 4 negative audio input for channel 2 5 positive audio input for channel 2 6 mode select input (standby/mute/operating) 7 oscillator frequency adjustment or tracking input 8 positive audio input for channel 1 9 negative audio input for channel 1 10 positive analog supply voltage for channel 1 11 signal ground for channel 1 12 negative analog supply voltage for channel 1 13 time constant capacitor for protection delay 14 positive power supply for channel 1 15 bootstrap capacitor for channel 1 16 PWM output from channel 1 17 negative power supply voltage for channel 1 18 decoupling internal stabilizer for logic supply 19 handle wafer; must be connected to pin 24 20 negative power supply voltage for channel 2 21 PWM output from channel 2 22 bootstrap capacitor for channel 2 23 positive power supply voltage for channel 2 24 negative digital supply voltage handbook, halfpage VSSD 24 VDDP2 23 BOOT2 22 OUT2 21 1 VSSA2 2 SGND2 3 VDDA2 4 IN2− VSSP2 20 5 IN2+ HW 19 6 MODE TDA8924TH STABI 18 7 OSC VSSP1 17 OUT1 16 8 IN1+ 9 IN1− BOOT1 15 VDDP1 14 PROT 13 10 VDDA1 11 SGND1 12 VSSA1 MDB568 Pin 19 should be connected to pin 24 in the application. Fig.2 Pin configuration. 2003 Jul 28 5 5 Page Philips Semiconductors 2 × 120 W class-D power ampliﬁer Objective speciﬁcation TDA8924 12 STATIC CHARACTERISTICS VP = ±24 V; Tamb = 25 °C; measured in Fig.9; unless otherwise speciﬁed. SYMBOL PARAMETER CONDITIONS Supply VP supply voltage Iq(tot) total quiescent current Istb standby supply current Mode select input: pin MODE note 1 no load connected VMODE IMODE Vstb Vmute Von input voltage input current input voltage for standby mode input voltage for mute mode input voltage for operating mode Audio inputs: pins IN2−, IN2+, IN1+ and IN1− VI DC input voltage Ampliﬁer outputs: pins OUT1 and OUT2 note 2 VMODE = 5.5 V notes 2 and 3 notes 2 and 3 notes 2 and 3 note 2 VOO(SE) ∆VOO(SE) VOO(BTL) ∆VOO(BTL) SE output offset voltage SE variation of output offset voltage BTL output offset voltage BTL variation of output offset voltage operating and mute operating ↔ mute operating and mute operating ↔ mute Stabilizer: pin STABI Vo(stab) stabilizer output voltage Temperature protection operating and mute; note 4 Tprot temperature protection activation Thys hysteresis on temperature protection MIN. TYP. MAX. UNIT ±12.5 ±24 ±30 V − 100 − mA − 100 500 µA 0− −− 0− 2.2 − 4.2 − 5.5 1 000 0.8 3.0 5.5 V µA V V V −0−V − − 150 mV − − 80 mV − − 215 mV − − 115 mV 11 13 15 V 150 − − 20 − − °C °C Notes 1. The circuit is DC adjusted at VP = ±12.5 V to ±30 V. 2. With respect to SGND (0 V). 3. The transition regions between standby, mute and operating mode contain hysteresis (see Fig.6). 4. With respect to VSSP1. 2003 Jul 28 11 11 Page

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