tda8924 NXP Semiconductors, tda8924 Datasheet

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tda8924

Manufacturer Part Number
tda8924
Description
2 X 120 W Class-d Power Amplifier
Manufacturer
NXP Semiconductors
Datasheet

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Part Number
Manufacturer
Quantity
Price
Part Number:
tda8924T
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
Part Number:
tda8924TH
Manufacturer:
PHILIPS/飞利浦
Quantity:
20 000
INTEGRATED CIRCUITS
DATA SHEET
TDA8924
2
120 W class-D power amplifier
Objective specification
2003 Jul 28

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tda8924 Summary of contents

Page 1

... DATA SHEET TDA8924 2 120 W class-D power amplifier Objective specification INTEGRATED CIRCUITS 2003 Jul 28 ...

Page 2

... Reference design: bill of materials 16.12 Curves measured in the reference design 17 PACKAGE OUTLINE 18 SOLDERING 18.1 Introduction to soldering surface mount packages 18.2 Reflow soldering 18.3 Wave soldering 18.4 Manual soldering 18.5 Suitability of surface mount IC packages for wave and reflow soldering methods 19 DATA SHEET STATUS 20 DEFINITIONS 21 DISCLAIMERS 2 Objective specification TDA8924 ...

Page 3

... All mains fed audio systems Car audio (boosters). 3 GENERAL DESCRIPTION The TDA8924 is a high efficiency class-D audio power amplifier with very low dissipation. The typical output power is 2 The device comes in a HSOP24 power package with a small internal heatsink. Depending on supply voltage and load conditions a very small or even no external heatsink is required ...

Page 4

... CURRENT PROTECTION ENABLE2 CONTROL SWITCH2 HANDSHAKE PWM RELEASE2 MODULATOR SSD HW Fig.1 Block diagram. 4 Objective specification TDA8924 V DDP2 V DDP1 DRIVER HIGH 16 AND DRIVER LOW V SSP1 TDA8924 V DDP2 22 DRIVER HIGH 21 AND DRIVER LOW 17 20 MDB569 V SSP1 V SSP2 BOOT1 OUT1 BOOT2 OUT2 ...

Page 5

... V SSP2 TDA8924TH STABI 18 V SSP1 17 OUT1 16 BOOT1 15 V DDP1 14 PROT 13 Pin 19 should be connected to pin 24 in the application. Fig.2 Pin configuration. 5 Objective specification TDA8924 1 V SSA2 2 SGND2 3 V DDA2 4 IN2 5 IN2 6 MODE 7 OSC IN1 8 9 IN1 10 V DDA1 11 SGND1 ...

Page 6

... W class-D power amplifier 8 FUNCTIONAL DESCRIPTION 8.1 General The TDA8924 is a two channel audio power amplifier using class-D technology. A typical application diagram is illustrated in Fig.38. A detailed application reference design is given in Section 16.8. The audio input signal is converted into a digital Pulse Width Modulated (PWM) signal via an analog input stage and PWM modulator ...

Page 7

... In this case the internal oscillator is disabled and the PWM will be switched to the external frequency. The frequency range of the external oscillator must be in the range as specified in the switching 9 characteristics; see Chapter 13. 7 Objective specification TDA8924 audio switching operating time audio switching operating ...

Page 8

... In the stereo single-ended configuration it is also recommended to connect the two differential inputs in anti-phase. This has advantages for the current handling of the power supply at low signal frequencies. 8 Objective specification S UPPLY VOLTAGE ALARM ) and the negative (V ) supply voltages and 0.15 th(unb) Differential audio inputs TDA8924 ( ...

Page 9

... Philips Semiconductors 2 120 W class-D power amplifier handbook, full pagewidth 2003 Jul 28 IN1 IN1 V in IN2 IN2 power stage Fig.5 Input configuration for mono BTL application. 9 Objective specification TDA8924 OUT1 SGND OUT2 MBL466 ...

Page 10

... Note 1. See also Section 16.5. 11 QUALITY SPECIFICATION In accordance with “SNW-FQ611-part D” if this type is used as an audio amplifier. 2003 Jul 28 CONDITIONS with respect to SGND note 1 CONDITIONS in free air; note 1 note 1 10 Objective specification TDA8924 MIN. MAX. UNIT +150 ...

Page 11

... Objective specification MIN. TYP. 12.5 24 100 100 0 0 2.2 4.2 0 mute mute 11 13 150 20 TDA8924 MAX. UNIT 500 A 5.5 V 1000 A 0.8 V 3 150 215 mV 115 mV ...

Page 12

... Section 8.2. OSC 2003 Jul 28 MUTE 0.8 2.2 3.0 Fig.6 Behaviour of mode selection pin MODE. CONDITIONS R = 30.0 k OSC 12 Objective specification MBL467 ON 4.2 5.5 V MODE (V) MIN. TYP. MAX. 290 317 344 210 600 SGND + 4.5 SGND + 5 SGND + 6 SGND + 2.5 210 600 15 TDA8924 UNIT kHz kHz V V kHz V ...

Page 13

... note 8 s mute; note 9 note 10 note (RMS) i(CM) measurement. DSon = 100 Hz kHz Objective specification TDA8924 = 25 C; measured in Fig.9; unless amb MIN. TYP 115 95 120 0.05 0. 200 230 ...

Page 14

... (RMS) i(CM) measurement. DSon = 100 Hz kHz Objective specification TDA8924 = 25 C; measured in Fig.9; unless amb MIN. TYP. 160 205 135 175 200 240 0.015 0.015 0.05 0.015 ...

Page 15

... output power just at clipping o(1%) = output power at THD = 10 % o(10 o(10%) o(1%) External clock V DDA 2 k TRIGGER 360 kHz 320 kHz HOP 14 220 5 4.3 V RETRIGGER GND MBL468 TDA8924 2 f – min osc ...

Page 16

... The required R = 2.43 K/W can be calculated. th(j-a) The R of the TDA8924 in free air is 35 K/W; the R th(j-a) of the TDA8924 is 1.3 K/W, thus a heatsink of 1.13 K/W is required for this example. This example demonstrates that one might end up with unrealistically low R figure. It has to be kept in mind th(j-a) that in actual applications, other factors such as the ...

Page 17

... Philips Semiconductors 2 120 W class-D power amplifier To trigger the maximum current protection in the TDA8924, the required output current must exceed 12 A. This situation occurs in case of: Short-circuits from any output terminal to the supply lines ( Short-circuit across the load or speaker impedances or ...

Page 18

... C15 220 100 nF 100 nF 220 nF 100 nF GND GND V SSA1 V DDP1 V SSP1 OSC MODE BOOT1 15 C22 15 nF OUT1 16 TDA8924 OUT2 21 C23 15 nF BOOT2 DDA2 V SSD STABI PROT HW V DDP2 V SSP2 C32 C33 GND GND 220 nF ...

Page 19

... Jul possible to use several different output filter inductors such as 16RHBP or EP13 types to evaluate the 59.10 mm, performance against the price or size. 16.10 Classification The application shows optimized signal and EMI 4 ). performance. 19 Objective specification TDA8924 ...

Page 20

... PHILIPS SEMICONDUCTORS Bottom silk screen Fig.10 Printed-circuit board layout for the TDA8924TH (some of the components showed on the top silk side have to be mounted on the bottom side for a proper heatsink fitting). 1-2002 C35 C21 U1 C8 C20 C11 J4 J3 ...

Page 21

... Philips Semiconductors 2 120 W class-D power amplifier 16.11 Reference design: bill of materials Table 1 Single-chip class-D audio amplifier printed-circuit board (version 4; 01-2002) for TDA8924TH (see Figs 9 and 10) BOM QUANTITY ITEM in1 and in2 3 2 out1 and out2 GND and V ...

Page 22

... MDB541 handbook, halfpage THD (W) 2 ( Objective specification (%) ( Fig.12 THD + function of input frequency. TDA8924 MDB542 (Hz) ...

Page 23

... W. o Fig.14 THD + function of input frequency diss ( BTL Fig.16 Total power dissipation as function of output power. TDA8924 MDB544 (Hz) MDB548 (1) (2) ( (W) ...

Page 24

... Fig.20 Output power as a function of supply 24 Objective specification 100 100 200 4 BTL 250 200 150 100 kHz BTL. 2 SE. voltage. TDA8924 MDB549 (1) (2) (3) 300 P o (W) MDB552 (1) ( (V) ...

Page 25

... Fig.22 Gain as a function of input frequency 100 mV BTL SE SE Fig.24 Gain as a function of input frequency. TDA8924 MDB556 (1) (2) ( (Hz) MDB557 (1) (2) ( (Hz) ...

Page 26

... (1) f ripple (2) f ripple (3) f ripple Fig.28 SVRR as a function Objective specification TDA8924 (V) voltage. (1) (2) ( ripple(p- (p-p) with respect to ground. ripple = 1 kHz. = 100 Hz. ...

Page 27

... SE; 6300 F per supply line frequency (%) 1 ( (2) ( 100 200 300 400 = into kHz KHz 100 Hz. i Fig.32 THD + function of clock frequency. TDA8924 MDB551 (Hz) MDB558 500 600 f clk (kHz) ...

Page 28

... 500 600 0 f clk (kHz 100 mV Fig.36 Output voltage as a function of mode 28 Objective specification TDA8924 MDB564 200 300 400 500 f clk (kHz frequency mode ( kHz. i voltage. 600 MDB565 6 ...

Page 29

... W class-D power amplifier 120 handbook, halfpage S/N (dB) 100 ( kHz AES17 filter ( SE. ( BTL. Fig.37 Signal-to-noise ratio as a function of output power. 2003 Jul 28 MDB566 (W) 29 Objective specification TDA8924 ...

Page 30

... MODE 6 V mode MODE mute SGND2 2 SGND IN2 5 INPUT V in2 STAGE IN2 SSA2 V SSA1 V SSA Fig.38 Typical application schematic of TDA8924. STABI PROT RELEASE1 DRIVER PWM HIGH SWITCH1 CONTROL MODULATOR AND ENABLE1 HANDSHAKE DRIVER LOW STABI TEMPERATURE SENSOR ...

Page 31

... scale (2) ( 0.32 16.0 13.0 1.1 11.1 6.2 2.9 0.23 15.8 12.6 0.9 10.9 5.8 2.5 REFERENCES JEDEC JEITA 31 Objective specification detail 14.5 1.1 1.7 1 0.25 0.25 0.03 13.9 0.8 1.5 EUROPEAN PROJECTION TDA8924 SOT566 2.7 0.07 0 2.2 ISSUE DATE 03-02-18 03-07-23 ...

Page 32

... Use a low voltage ( less) soldering iron applied to the flat part of the lead. Contact time must be limited to 10 seconds 300 C. When using a dedicated tool, all other leads can be soldered in one operation within seconds between 270 and 320 C. 32 Objective specification TDA8924 ...

Page 33

... Wave soldering is suitable for SSOP, TSSOP, VSO and VSSOP packages with a pitch (e) equal to or larger than 0.65 mm definitely not suitable for packages with a pitch (e) equal to or smaller than 0.5 mm. 2003 Jul 28 (1) (3) , TFBGA, VFBGA not suitable not suitable suitable not recommended not recommended 33 Objective specification TDA8924 SOLDERING METHOD (2) WAVE REFLOW suitable (4) suitable suitable (5)(6) suitable (7) suitable ...

Page 34

... Objective specification TDA8924 DEFINITION These products are not Philips Semiconductors ...

Page 35

Philips Semiconductors – a worldwide company Contact information For additional information please visit http://www.semiconductors.philips.com. For sales offices addresses send e-mail to: sales.addresses@www.semiconductors.philips.com. © Koninklijke Philips Electronics N.V. 2003 All rights are reserved. Reproduction in whole or in part is prohibited ...

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