TDA8932 NXP Semiconductors, TDA8932 Datasheet

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TDA8932

Manufacturer Part Number
TDA8932
Description
Manufacturer
NXP Semiconductors
Datasheet

Specifications of TDA8932

Operational Class
Class-D
Output Power (typ)
50x1@8Ohm/25x2@4OhmW
Audio Amplifier Function
Speaker
Total Harmonic Distortion
0.015@4Ohm@1W%
Single Supply Voltage (typ)
22V
Dual Supply Voltage (typ)
±11V
Power Supply Requirement
Single/Dual
Power Dissipation
5W
Rail/rail I/o Type
No
Single Supply Voltage (min)
10V
Single Supply Voltage (max)
36V
Dual Supply Voltage (min)
±5V
Dual Supply Voltage (max)
±18V
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
32
Lead Free Status / Rohs Status
Supplier Unconfirmed

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1. General description
2. Features
3. Applications
The TDA8932 is a high efficiency class-D amplifier with low power dissipation.
The maximum output power is 2
1
device can be used without any external heat sink when playing music. If proper cooling
via the printed-circuit board is implemented, a continuous output power of 2
feasible. Due to the implementation of thermal foldback, even for high supply voltages
and/or lower load impedances, the device remains operating with considerable music
output power without the need for an external heat sink.
The device has two full-differential inputs driving two independent outputs. It can be used
as mono full-bridge configuration (BTL) or as stereo half-bridge configuration (SE).
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TDA8932
Class-D audio amplifier
Rev. 01 — 11 May 2006
Operating voltage from 10 V to 36 V asymmetrical or 5 V to 18 V symmetrical
Mono-bridged tied load (full-bridge) or stereo single-ended (half-bridge) application
Application without heatsink using thermally enhanced small outline package
High efficiency and low-power dissipation
Thermally protected and thermal foldback
Current limiting to avoid audio holes
Full short-circuit proof across load and to supply lines (using advanced current
protection)
Switchable internal or external oscillator (master-slave setting)
No pop noise
Full differential inputs
Flat panel television sets
Flat panel monitor sets
Multimedia systems
Wireless speakers
Mini and micro systems
Home sound sets
50 W in mono full-bridge application (R
25 W in stereo half-bridge application (R
L
= 8 ). Due to the low power dissipation the
Preliminary data sheet
L
= 4 ) or
15 W is

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TDA8932 Summary of contents

Page 1

... TDA8932 Class-D audio amplifier Rev. 01 — 11 May 2006 1. General description The TDA8932 is a high efficiency class-D amplifier with low power dissipation. The maximum output power mono full-bridge application (R device can be used without any external heat sink when playing music. If proper cooling via the printed-circuit board is implemented, a continuous output power of 2 feasible ...

Page 2

... Description SO32 plastic small outline package; 32 leads; body width 7.5 mm HTSSOP32 plastic thermal enhanced thin shrink small outline package; 32 leads; body width 6.1 mm; lead pitch 0.65 mm; exposed die pad Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier Min Typ 0.6 ...

Page 3

... HIGH CTRL DRIVER LOW V DDA STABILIZER SSP1 V DDA STABILIZER SSP2 REGULATOR SSD V DDA V SSA HALF SUPPLY VOLTAGE 001aad757 © Koninklijke Philips Electronics N.V. 2006. All rights reserved. TDA8932 28 BOOT1 29 V DDP1 27 OUT1 26 V SSP1 21 BOOT2 20 V DDP2 22 OUT2 23 V SSP2 25 STAB1 24 ...

Page 4

... V regulator for logic supply Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier 1 IN1P 2 IN1N 3 4 DIAG DDA TDA8932TW V 9 SSA TEST 13 IN2N 14 15 IN2P 16 001aae992 © Koninklijke Philips Electronics N.V. 2006. All rights reserved SSD(HW) ...

Page 5

... HTSSOP32 package only Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier [1] . SSD(HW) © Koninklijke Philips Electronics N.V. 2006. All rights reserved ...

Page 6

... The following protections are built-in: thermal foldback, temperature, current and voltage protections. 8.2 Mode selection and interfacing The TDA8932 can be switched in three operating modes using pins POWERUP and ENGAGE: • Sleep mode: with low supply current. ...

Page 7

... TDA8932_1 Preliminary data sheet AUDIO AUDIO PWM operating mute operating connected between pins OSCREF and V osc Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier 0.17V ENGAGE AUDIO PWM fault operating sleep 001aae788 . The carrier SSD(HW) Figure 5) ...

Page 8

... Philips Semiconductors If two or more TDA8932 devices are used in the same audio application recommended to synchronize the switching frequency of all devices. This can be realized by connecting all pins OSCIO together and configure one of the TDA8932 in the application as clock master, while the other TDA8932 devices are configured in slave mode. Pin OSCIO is a 3-state input or output buffer. Pin OSCIO is confi ...

Page 9

... The reaction of the device on the different fault conditions differs per protection. 8.4.1 Thermal Foldback (TF) If the junction temperature of the TDA8932 exceeds the threshold level (T gain of the amplifier is decreased gradually to a level were the combination of dissipation (P) and the thermal resistance from junction to ambient [R temperature around the threshold level ...

Page 10

... TDA8932 is protected against any overstress supply voltage > caused by other or external causes, then the TDA8932 will shut down, but the device can still be damaged since the supply voltage will remain > this case. The OVP protection is not a supply voltage clamp. ...

Page 11

... Rev. 01 — 11 May 2006 Class-D audio amplifier Every 100 ms yes no no yes yes yes V o 2.4 V amplifier restart no restart 0 V short to supply line 001aad759 Section 14.8). © Koninklijke Philips Electronics N.V. 2006. All rights reserved. TDA8932 Figure ...

Page 12

... Output voltage buffers: • Pins HVP1 and HVP2: The time required for charging the SE capacitor is depending on its value. The half supply voltage output is disabled when the TDA8932 is used in a symmetrical supply application. • Pin HVPREF: This output voltage reference buffer charges the capacitor on pin HVPREF. • ...

Page 13

... TDA8932_1 Preliminary data sheet Internal circuitry Symbol Equivalent circuit V SSD(HW) V SSD(HW) V SSD(HW) V SSD(HW) IN1P IN1N INREF 2, 15 IN2N IN2P DIAG ENGAGE Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier 1, 16, V DDA 17 SSA 001aad784 V DDA SSA V 2.4 V DDA CGND 001aad786 SSA V 4 ...

Page 14

... Philips Semiconductors Table 7. Pin TDA8932_1 Preliminary data sheet Internal circuitry …continued Symbol Equivalent circuit POWERUP CGND V DDA V SSA Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier V DDA 6 V CGND 001aad788 SSA V DDA 7 V SSA 001aad789 8 V SSA V SSD 001aad790 V DDA ...

Page 15

... TDA8932_1 Preliminary data sheet Internal circuitry …continued Symbol Equivalent circuit OSCREF HVPREF TEST DREF HVP2 HVP1 V DDP2 V SSP2 V SSP1 V DDP1 Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier V DDA I ref 10 V 001aad792 SSA V DDA 11 V SSA 001aad793 V DDA 13 V SSA ...

Page 16

... Table 7. Pin TDA8932_1 Preliminary data sheet Internal circuitry …continued Symbol Equivalent circuit BOOT2 BOOT1 OUT2 OUT1 STAB2 STAB1 OSCIO Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier 21, 28 OUT1, OUT2 001aad799 V DDP1, V DDP2 22 SSP1, V SSP2 001aad800 V DDA 24 SSP1, V SSP2 001aad801 ...

Page 17

... Rev. 01 — 11 May 2006 Class-D audio amplifier Min [1] 0.3 [2] 5 [3] V SSD(HW) [4] V 0.3 CGND [5] V 0 & Min [ [ © Koninklijke Philips Electronics N.V. 2006. All rights reserved. TDA8932 Max Unit + 0 0 150 C +150 C + Typ Max Unit K/W 48 ...

Page 18

... Rev. 01 — 11 May 2006 Class-D audio amplifier Min Typ 0 150 - 234 4.2 4 Table 2.5 - 2.1 0. 0.5V 0. 0.2 4.5 4.8 © Koninklijke Philips Electronics N.V. 2006. All rights reserved. TDA8932 Max Unit 6 0.8 V 6.0 V 5 0.8 V 6.0 V 0 0.2 5 ...

Page 19

... Mute mode Operating mode BTL Mute mode Operating mode Mute mode and Operating mode; with respect to pins V SSP1 V SSP2 HVPREF HVPREF current limiting [2] driven by one master . Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier Min Typ - - - - - - - - 10 11 and 8.0 9 ...

Page 20

... Rev. 01 — 11 May 2006 Class-D audio amplifier Min Typ - 320 300 - - unless otherwise specified. Min Typ [ [ [3] - 0.015 - 100 [5] - 100 [ © Koninklijke Philips Electronics N.V. 2006. All rights reserved. TDA8932 Max Unit - kHz 500 kHz - Max Unit - 0. 150 V 100 ...

Page 21

... Operating mode f = 100 1000 Hz i sleep 100 Hz i Rev. 01 — 11 May 2006 Class-D audio amplifi unless otherwise specified. Min Typ - 100 Min Typ [ [ [3] - 0. © Koninklijke Philips Electronics N.V. 2006. All rights reserved. TDA8932 Max Unit - Max Unit - 0 ...

Page 22

... Conditions differential Operating mode Mute mode Mute mode (RMS) and kHz (RMS) i(cm and and measurement. DSon Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier Min Typ Max 35 50 [5] - 100 150 [ 100 - 100 - © Koninklijke Philips Electronics N.V. 2006. All rights reserved. ...

Page 23

... THD+N = 0.5 % and = 0. 0.05 s ESR Rev. 01 — 11 May 2006 Class-D audio amplifier Equation 2 and Equation – min osc – min osc [V] DDP2 SSP2 = 39 k osc DSon and (minimum). O(ocp) © Koninklijke Philips Electronics N.V. 2006. All rights reserved. TDA8932 (2) (3) (4) = 0.15 ( ...

Page 24

... Fig 8. SE output power as a function of supply voltage ( THD+N = 0.5 % Fig 9. BTL output power as a function of supply voltage TDA8932_1 Preliminary data sheet 001aad768 ( ( THD 001aad770 ( ( THD Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifi © Koninklijke Philips Electronics N.V. 2006. All rights reserved. 001aad769 40 (V) P 001aad771 40 ( ...

Page 25

... Rev. 01 — 11 May 2006 Class-D audio amplifier Equation 5 and Equation 6. V [V] DDP2 SSP2 according to the speaker configuration and 680 33 470 47 330 10 1500 15 1000 22 680 (3 dB cut-off frequency). -3dB © Koninklijke Philips Electronics N.V. 2006. All rights reserved. TDA8932 (5) (6) (nF ...

Page 26

... Impedance ( ) 14.5 Gain reduction The gain of the TDA8932 is internally fixed for SE ( for BTL). The gain can be reduced by a resistive voltage divider at the input (see Fig 10. Input configuration for reducing gain When applying a resistive divider, the total closed loop gain G Equation 8 ...

Page 27

... G 14.6 Device synchronization If two or more TDA8932 devices are used in one application it is recommended that all devices are synchronized running at the same switching frequency to avoid beat tones. Synchronization can be realized by connecting all OSCIO pins together and configure one of the TDA8932 devices as master, while the other TDA8932 devices are confi ...

Page 28

... T j(max ambient temperature amb P = power dissipation which is determined by the efficiency of the TDA8932 The power dissipation is shown in The thermal resistance as a function of the PCB area (35 m copper) is shown in Figure 12. (1) Single layer FR2 PCB; copper plane at device side (100 % coverage). (2) Double layer FR4 PCB; copper plane on both sides (100 % coverage). ...

Page 29

... W (see Figure K/W j(max) IN1P audio in1 IN1N IN2N audio in2 IN2P Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier is much lower. j(max) 3.75 W into 8 , the power dissipation 21 1 93.8 C. DDP1 ) and visa versa. When SSP1 Figure OUT1 OUT2 001aad763 © ...

Page 30

... ( ( Fig 15. Total harmonic distortion-plus-noise as a function of frequency TDA8932_1 Preliminary data sheet 001aad772 2 10 THD+N (%) ( 001aad774 2 10 THD+N (%) (Hz Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier 001aad773 (1) (2) ( 001aad775 (1) ( (Hz © Koninklijke Philips Electronics N.V. 2006. All rights reserved ( ...

Page 31

... F SE (1) V (2) V Fig 17. Supply voltage ripple rejection as a function of 001aad778 0 cs (dB) (2) ( 100 (W) o (1) V (2) V Fig 19. Channel separation as a function of frequency Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier (1) ( 500 mV (RMS) referenced to ground; ripple (shorted input ...

Page 32

... P (W) 2.0 1 (W) o (1) V (2) V Fig 21. Power dissipation as a function of output power 001aad782 2 10 THD+N (%) ( Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier (2) ( kHz kHz per channel (two channels driven) (1) (2) ( © Koninklijke Philips Electronics N.V. 2006. All rights reserved. ...

Page 33

... V P 001aae116 0 SVRR (dB) 20 (2) ( 100 (Hz ripple Fig 25. Supply voltage ripple rejection as a function of frequency Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier 001aae115 (1) ( (Hz 001aae117 (1) ( (Hz 500 mV (RMS) referenced to ground (shorted input © Koninklijke Philips Electronics N.V. 2006. All rights reserved. ...

Page 34

... Fig 27. Output power efficiency as a function of output power TDA8932_1 Preliminary data sheet 120 S/N (dB) (2) ( 001aae119 3.0 P (W) 2.0 1 (W) o (1) V (2) V Fig 28. Power dissipation as a function of output power Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier 001aae118 (W) o (2) ( kHz kHz © ...

Page 35

... INREF 12 21 Cinref TEST 100 IN2N 14 19 Cin IN2P 15 18 470 nF V SSD(HW (asymmetrical supply) Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier V SSD(HW) OSCIO HVP1 VP V DDP1 Cvddp BOOT1 Cbo 100 Llc OUT1 V SSP1 Rsn 10 STAB1 Csn STAB2 ...

Page 36

... INREF BOOT2 12 21 Cinref V TEST 100 IN2N HVP2 14 19 IN2P DREF SSD(HW BTL (asymmetrical supply) Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier SSD(HW) VP DDP1 Cvddp 100 nF Cbo Llc SSP1 Rsn 10 Csn 470 pF Cstab SSP2 100 nF Llc Cbo Rsn nF 10 ...

Page 37

... INREF 12 21 Cinref TEST 100 IN2N 14 19 Cin IN2P 15 18 470 nF V SSD(HW) VSS (symmetrical supply) Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier V SSD(HW) VSS Chvp OSCIO 100 nF HVP1 VDD V DDP1 Cvddp BOOT1 Cbo 100 Llc OUT1 V SSP1 Rsn ...

Page 38

... V TDA8932 SSA VSSA 9 OSCREF 10 HVPREF 11 INREF 12 Cinref TEST 100 nF 13 IN2N 14 IN2P 15 V SSD(HW) VSS 16 BTL (symmetrical supply) Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier V SSD(HW) 32 VSS Cvssp OSCIO 31 100 nF HVP1 30 VDD V DDP1 29 Cvddp BOOT1 Cbo 100 Llc OUT1 ...

Page 39

... E 0.49 0.27 20.7 7.6 10.65 1.27 0.36 0.18 20.3 7.4 10.00 0.02 0.011 0.81 0.30 0.419 0.05 0.01 0.007 0.80 0.29 0.394 REFERENCES JEDEC JEITA MO-119 Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifi detail 1.1 1.2 1.4 0.25 ...

Page 40

... REFERENCES JEDEC JEITA MO-153 Rev. 01 — 11 May 2006 Class-D audio amplifi detail 8.3 0.75 0.65 1 0.2 0.1 7.9 0.50 EUROPEAN PROJECTION © Koninklijke Philips Electronics N.V. 2006. All rights reserved. TDA8932 SOT549 0.78 8 0.1 o 0.48 0 ISSUE DATE 03-04-07 05-11- ...

Page 41

... TDA8932_1 Preliminary data sheet 2 called small/thin packages. Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier 3 350 mm so called © Koninklijke Philips Electronics N.V. 2006. All rights reserved ...

Page 42

... LBGA, LFBGA, SQFP, [3] , TFBGA, VFBGA, XSON , SO, SOJ [8] [9] [8] , PMFP , WQCCN.. measured in the atmosphere of the reflow oven. The package Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier Soldering method Wave Reflow not suitable suitable [4] not suitable suitable suitable suitable [5][6] ...

Page 43

... OverCurrent Protection OverTemperature Protection OverVoltage Protection UnBalance Protection UnderVoltage Protection Thermal Foldback Window Protection Data sheet status Preliminary data sheet Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier Change notice Supersedes - - © Koninklijke Philips Electronics N.V. 2006. All rights reserved ...

Page 44

... Trademarks Notice: All referenced brands, product names, service names and trademarks are the property of their respective owners. Rev. 01 — 11 May 2006 TDA8932 Class-D audio amplifier © Koninklijke Philips Electronics N.V. 2006. All rights reserved ...

Page 45

... Please be aware that important notices concerning this document and the product(s) described herein, have been included in section ‘Legal information’. © Koninklijke Philips Electronics N.V. 2006. For more information, please visit: http://www.semiconductors.philips.com. For sales office addresses, email to: sales.addresses@www.semiconductors.philips.com. TDA8932 All rights reserved. Date of release: 11 May 2006 Document identifier: TDA8932_1 ...

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