NXP Semiconductors TDA8932B 7. Pinning information

TDA8932B_3 © NXP B.V. 21 June 2007. All rights reserved.

Product data sheet Rev. 03— 21 June 2007 4 of 48

NXP Semiconductors TDA8932B

Class-D audio ampliﬁer

7. Pinning information

7.1 Pinning

7.2 Pin description

Fig 2. Pin conﬁguration SO32 Fig 3. Pin conﬁguration HTSSOP32

TDA8932BT

VSSD(HW) VSSD(HW)

IN1P OSCIO

IN1N HVP1

DIAG VDDP1

ENGAGE BOOT1

POWERUP OUT1

CGND VSSP1

VDDA STAB1

VSSA STAB2

OSCREF VSSP2

HVPREF OUT2

INREF BOOT2

TEST VDDP2

IN2N HVP2

IN2P DREF

VSSD(HW) VSSD(HW)

001aaf598

1

2

3

4

5

6

7

8

9

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18

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20

19

22

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24

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26

25

32

31

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29

28

27

TDA8932BTW

VSSD(HW) VSSD(HW)

IN1P OSCIO

IN1N HVP1

DIAG VDDP1

ENGAGE BOOT1

POWERUP OUT1

CGND VSSP1

VDDA STAB1

VSSA STAB2

OSCREF VSSP2

HVPREF OUT2

INREF BOOT2

TEST VDDP2

IN2N HVP2

IN2P DREF

VSSD(HW) VSSD(HW)

001aaf599

1

2

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4

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22

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24

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26

25

32

31

30

29

28

27

Table 3. Pin description

Symbol Pin Description

VSSD(HW) 1 negative digital supply voltage and handle wafer connection

IN1P 2 positive audio input for channel 1

IN1N 3 negative audio input for channel 1

DIAG 4 diagnostic output; open-drain

ENGAGE 5 engage input to switch between Mute mode and Operating mode

POWERUP 6 power-up input to switch between Sleep mode and Mute mode

CGND 7 control ground; reference for POWERUP, ENGAGE and DIAG

VDDA 8 positive analog supply voltage

VSSA 9 negative analog supply voltage

OSCREF 10 input internal oscillator setting (only master setting)

HVPREF 11 decoupling of internal half supply voltage reference

INREF 12 decoupling for input reference voltage

TEST 13 test signal input; for testing purpose only

IN2N 14 negative audio input for channel 2

IN2P 15 positive audio input for channel 2

VSSD(HW) 16 negative digital supply voltage and handle wafer connection

VSSD(HW) 17 negative digital supply voltage and handle wafer connection

DREF 18 decoupling of internal (reference) 5 V regulator for logic supply

Contents

Main 1. General description 2. Features 3. Applications TDA8932B Rev. 03 21 June 2007 Product data sheet Class-D audio amplier NXP Semiconductors TDA8932B 4. Quick reference data =25 5. Ordering information = 22 V; f = 320 kHz; T 6. Block diagram Fig 1. Block diagram Product data sheet Rev. 03 21 June 2007 4 of 48 7. Pinning information TDA8932BTW TDA8932BT 7.1 Pinning Fig 2. Pin conguration SO32 Fig 3. Pin conguration HTSSOP32 8. Functional description 8.1 General 8.2 Mode selection and interfacing 8.3 Pulse width modulation frequency NXP Semiconductors TDA8932B 8.4 Protection NXP Semiconductors TDA8932B 8.4.1 Thermal Foldback (TF) 8.4.2 OverTemperature Protection (OTP) 8.4.3 OverCurrent Protection (OCP) 8.4.4 Window Protection (WP) 8.5 Diagnostic input and output 8.6 Differential inputs 8.7 Output voltage buffers 4 DIAG HVPREF. 9. Internal circuitry Table 7. Internal circuitry 1V 16 V 17 V 32 V 2 IN1P 3 IN1N 12 INREF 14 IN2N 15 IN2P 5 ENGAGE 6 POWERUP 7 CGND 8V Table 7. Internal circuitry (Continued) 9V 10 OSCREF 18 DREF 11 HVPREF 13 TEST Page 10. Limiting values 11. Thermal characteristics In accordance with the Absolute Maximum Rating System (IEC 60134). 12. Static characteristics Page 13. Dynamic characteristics =25 4 =2 = 22 V; T =2 4 =8 = 320 kHz; R =8 = 320 kHz; R 14. Application information 14.1 Output power estimation a. THD+N = 0.5 % b. THD+N = 10 % Fig 8. SE output power as a function of supply voltage a. THD+N = 0.5 % b. THD+N = 10 % Fig 9. BTL output power as a function of supply voltage 14.2 Output current limiting 14.3 Speaker conguration and impedance 14.4 Single-ended capacitor 14.5 Gain reduction 14.6 Device synchronization 14.7 Thermal behavior (printed-circuit board considerations) 14.8 Pumping effects Fig 12. SE application for reducing pumping effects 14.9 SE curves measured in reference design a. VP=22V; R Fig 14. Total harmonic distortion-plus-noise as a function of frequency Fig 13. Total harmonic distortion-plus-noise as a function of output power per channel (1) fi= 6 kHz (2) fi= 100 Hz (3) fi= 1 kHz Vi= 100 mV (RMS); Ri=0; Cse = 1000 F (1) VP= 30 V; RL=28 (2) VP= 22 V; RL=24 Vripple = 500 mV (RMS) referenced to ground; Ri=0 (shorted input) (1) VP=30V; R (2) VP=22V; R Ri=0; 20 kHz brick-wall lter AES17 (1) VP= 22 V; RL=24 (2) VP= 30 V; RL=28 Po= 1 W; CHVPREF =47F voltage = ------------------------- per channel (two channels driven) fi= 1 kHz; (1) VP= 22 V; RL=24 (2) VP= 30 V; RL=28 NXP Semiconductors TDA8932B ENGAGE Fig 23. Output power per channel as a function of time board (55 mm 45 mm) without heat sink (1) VP=22V (2) VP=26V (3) VP=29V 14.10 BTL curves measured in reference design a. VP=12V; R Fig 27. Total harmonic distortion-plus-noise as a function of frequency Fig 26. Total harmonic distortion-plus-noise as a function of output power (1) fi= 6 kHz (2) fi= 1 kHz (3) fi= 100 Hz Vi= 100 mV (RMS); Ri=0 (1) VP= 12 V; RL=4 (2) VP= 22 V; RL=8 Vripple = 500 mV (RMS) referenced to ground; Ri=0 (shorted input) (2) VP=12V; R Ri=0; 20 kHz brick-wall lter AES17 (1) RL=4; VP=12V (2) RL=8; VP=22V fi= 1 kHz (short time PO); dashed line will require board (55 mm 45 mm) without heat sink = -------------------- Fig 32. Output power as a function of time (1) VP=12V (2) VP= 13.5 V (3) VP=15V Fig 35. Power dissipation as a function of supply voltage 14.11 Typical application schematics (simplied) Fig 36. Typical simplied application diagram for 2 SE (asymmetrical supply) Fig 37. Typical simplied application diagram for 1 BTL (asymmetrical supply) Fig 38. Typical simplied application diagram for 2 SE (symmetrical supply) 15. Test information Fig 39. Typical simplied application diagram for 1 BTL (symmetrical supply) 15.1 Quality information is applicable. General Quality Specication for Integrated Circuits, SNW-FQ-611 16. Package outline Fig 40. Package outline SOT287-1 (SO32) SO32: plastic small outline package; 32 leads; body width 7.5 mm SOT287-1 Fig 41. Package outline SOT549-1 (HTSSOP32) 32 17 116 17. Soldering 17.4 Reow soldering For further information on temperature proles, refer to Application Note 18. Abbreviations AN10365 Surface mount reow soldering description . 19. Revision history Product data sheet Rev. 03 21 June 2007 47 of 48 20. Legal information 20.1 Data sheet status 20.2 Denitions 20.3 Disclaimers 20.4 Trademarks 22. Contents