TDA8933

Manufacturer Part NumberTDA8933
DescriptionClass-D audio amplifier
ManufacturerNXP Semiconductors
TDA8933 datasheet
 
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TDA8933
Class-D audio amplifier
Rev. 01 — 15 May 2007
1. General description
The TDA8933 is a high efficiency class-D amplifier with low power dissipation.
The continuous time output power is 2
(R
= 8 ) or 1
L
dissipation the device can be used without any external heat sink when playing music.
Due to the implementation of Thermal Foldback (TF), even for high supply voltages and/or
lower load impedances, the device will continue to operate 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
in a mono full bridge configuration (Bridge-Tied Load (BTL)) or a stereo half bridge
configuration (Single-Ended (SE)).
2. Features
I
High efficiency
I
Application without heat sink using thermally enhanced small outline package
I
Operating voltage from 10 V to 36 V asymmetrical or
I
Thermally protected
I
Thermal foldback
I
Current limiting to avoid audio holes
I
Full short circuit proof to supply lines (using advanced current protection)
I
Switchable internal / external oscillator (master-slave setting)
I
No pop noise
I
Low power dissipation
I
Mono bridge-tied load (full bridge) or stereo single-ended (half bridge) application
I
Full differential inputs
3. Applications
I
Flat panel television sets
I
Flat panel monitor sets
I
Multimedia systems
I
Wireless speakers
I
Mini/micro systems
I
Home sound sets
10 W in a stereo half bridge application
20 W in a mono full bridge application (R
www.DataSheet.co.kr
Preliminary data sheet
=16 ). Due to the low power
L
5 V to
18 V symmetrical
Datasheet pdf - http://www.DataSheet4U.net/

TDA8933 Summary of contents

  • Page 1

    ... TDA8933 Class-D audio amplifier Rev. 01 — 15 May 2007 1. General description The TDA8933 is a high efficiency class-D amplifier with low power dissipation. The continuous time output power dissipation the device can be used without any external heat sink when playing music. ...

  • Page 2

    ... L P THD THD THD www.DataSheet.co.kr THD short time output power per channel; THD see Figure 23 for details THD+N = 0.5 % THD Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier Min Typ Max 12 0 kHz 5.9 6 ...

  • Page 3

    ... THD see Figure 35 for details THD+N = 0.5 % THD measurement. DSon www.DataSheet.co. copper, FR4 base material in free air with natural Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier Min Typ Max Unit [1] 11 15.4 17 ...

  • Page 4

    ... Fig 1. Block diagram TDA8933_1 Preliminary data sheet 31 PWM MODULATOR CTRL MANAGER www.DataSheet.co.kr PWM MODULATOR CTRL PROTECTIONS OVP, OCP, OTP UVP, TF TEST Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier V DDP1 29 28 BOOT1 DRIVER HIGH 27 OUT1 26 DRIVER V LOW V DDA 25 STABI 11V ...

  • Page 5

    ... V regulator for logic supply Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifi SSD(HW) 31 OSCIO 30 ...

  • Page 6

    ... Functional description 8.1 General The TDA8933 is a mono full bridge or stereo half bridge audio power amplifier using class-D technology. The audio input signal is converted into a Pulse Width Modulated (PWM) signal via an analog input stage and PWM modulator. To enable the output power ...

  • Page 7

    ... NXP Semiconductors 8.2 Mode selection and interfacing The TDA8933 can be switched to one of four operating modes using pins POWERUP and ENGAGE: • Sleep mode: with low supply current • Mute mode: the amplifiers are switching idle (50 % duty cycle), but the audio signal at ...

  • Page 8

    ... Using an external resistor the carrier frequency is set to an optimized value of 320 kHz (see If two or more TDA8933 devices are used in the same audio application recommended to synchronize the switching frequency of all devices.This can be done by connecting all the OSCIO pins together and confi ...

  • Page 9

    ... R = oscillator resistor ( ) (on pin OSCREF) osc Fig 4. Oscillation frequency as a function of R Table 5 summarizes how to configure the TDA8933 in master or slave configuration. Table 5. Master/slave configuration Configuration Master Slave 8.4 Protections The following protections are implemented in the TDA8933: • ...

  • Page 10

    ... The timer will keep both power stages disabled for 100 ms. As long as the short remains, this cycle will repeat. The average power dissipation in the TDA8933 will be low because the short-circuit current will flow only during a very small part of the timer cycle of 100 ms. ...

  • Page 11

    ... TDA8933 is protected against any overstress. • supply voltage > caused by other or external causes, the TDA8933 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 clamp. ...

  • Page 12

    ... shorted load www.DataSheet.co.kr IN1P IN1N audio input IN2P IN2N Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier no restart short to supply line 001aad759 Figure 6. Section 14.8). OUT1 OUT2 001aad760 © NXP B.V. 2007. All rights reserved ...

  • Page 13

    ... Output voltage buffers: • Pins HVP1 and HVP2: The time required for charging the SE capacitor depends on its value. The half supply voltage output is disabled when the TDA8933 is used in a symmetrical supply application. • Pin HVPREF: This output voltage reference buffer charges the capacitor on pin HVPREF. • ...

  • Page 14

    ... IN1P IN1N INREF IN2N IN2P 13 001aad795 www.DataSheet.co.kr DIAG V DDA 4 V SSA ENGAGE V DDA 5 V SSA Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier V DDA V SSA 001aad784 V DDA V SSA 2 CGND 010aaa198 4 ref 226 ...

  • Page 15

    ... TDA8933_1 Preliminary data sheet …continued Symbol Equivalent circuit POWERUP CGND V DDA 8 www.DataSheet.co.kr V SSA 9 Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier DDA CGND 001aad788 SSA V DDA 7 V SSA 001aad789 V SSA V SSD 001aad790 V DDA V SSD 001aad791 © NXP B.V. 2007. All rights reserved. ...

  • Page 16

    ... TDA8933_1 Preliminary data sheet …continued Symbol Equivalent circuit OSCREF HVPREF TEST www.DataSheet.co.kr DREF HVP2 HVP1 V DDP2 V SSP2 V SSP1 V DDP1 Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier V DDA I ref 10 V 001aad792 SSA V DDA 11 V SSA 010aaa199 V DDA 13 V SSA 001aad795 ...

  • Page 17

    ... TDA8933_1 Preliminary data sheet …continued Symbol Equivalent circuit BOOT2 BOOT1 OUT2 OUT1 STAB2 STAB1 www.DataSheet.co.kr OSCIO 31 Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier 21, 28 OUT1, OUT2 001aad799 V DDP1, V DDP2 22 SSP1, V SSP2 010aaa202 V DDA 24 SSP1, V ...

  • Page 18

    ... DD < 0 SSP2 DD DDP1 DDP2 www.DataSheet.co.kr Conditions free air natural convection [1] JEDEC test board [2] 2 layer application board [3] Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier Min Max 0.3 + 0.3 5 SSD(HW) [ 0.3 6 CGND [ 0 0 [5] 2 ...

  • Page 19

    ... Table 6 Operating mode 2 Reference SSA half supply voltage to 0.5V charge SE capacitor 0 HVP1 HVP2 O half supply reference 0.5V voltage in Mute mode 0.2 V 4.5 Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier Typ Max Unit 12 0.6 1 350 - m 545 - m - 6.0 ...

  • Page 20

    ... Operating mode BTL Mute mode Operating mode Mute mode and Operating mode; with respect to pins V and SSP1 V SSP2 HVPREF www.DataSheet.co.kr HVPREF current limiting . Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier Min Typ Max Unit - - 100 150 ...

  • Page 21

    ... V =100 mV; no load kHz o i [4] Operating mode f = 100 kHz i differential Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier Min Typ Max Unit - 320 - kHz 300 - 500 kHz - ...

  • Page 22

    ... Hz i short time output power; THD see Figure 35 for details THD+N = 0.5 % THD kHz kHz i differential Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier Min Typ Max - 100 150 - 70 100 - 100 - - Min ...

  • Page 23

    ... V (RMS) and kHz (RMS) i(cm measurement. DSon www.DataSheet.co.kr Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier Min Typ Max Unit - 100 150 100 V - 100 - ...

  • Page 24

    ... V DDP1 SSP1 DDP2 www.DataSheet.co.kr at THD can be estimated by 0.5 % Figure 8 show the estimated output power at THD+N = 0.5 % and = 0. 0.05 and I s ESR O(ocp) Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier and Equation osc osc (V) SSP2 ...

  • Page 25

    ... V ( THD 010aaa144 40 P www.DataSheet.co. THD Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier 010aaa147 (V) P Section 8.4.3 for OCP 010aaa145 ...

  • Page 26

    ... LC LC Table 14 shows the required values in practice Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifi (V) SSP2 ( H) C (nF 680 470 330 680 330 © NXP B.V. 2007. All rights reserved. (5) ( Datasheet pdf - http://www.DataSheet4U.net/ ...

  • Page 27

    ... Gain reduction The gain of the TDA8933 is internally fixed for SE, and 36 dB for BTL. The gain can be reduced by a resistive voltage divider at the input (see Fig 9. Input configuration for reducing gain When applying a resistive divider, the total voltage gain G ...

  • Page 28

    ... Substituting 4 results in a gain of G 14.6 Device synchronization If two or more TDA8933 devices are used in one application it is recommended that all devices are synchronized at the same switching frequency to avoid beat tones. Synchronization can be realized by connecting all OSCIO pins together and configuring one of the TDA8933 devices as master, while the other TDA8933 devices are confi ...

  • Page 29

    ... Thermal behavior (printed-circuit board considerations) The heat sink in an application with a TDA8933 is made using the copper on the printed-circuit board. The TDA8933 uses the four corner leads (pins 1, 16, 17 and 32) for heat transfer from the die to the PCB. The thermal foldback will limit the maximum junction temperature to 140 C ...

  • Page 30

    ... IN1N IN2N audio in2 IN2P www.DataSheet.co. Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier OUT1 OUT2 010aaa140 010aaa158 (1) (3) ( (W/channel) o © NXP B.V. 2007. All rights reserved Datasheet pdf - http://www.DataSheet4U.net/ ...

  • Page 31

    ... TDA8933_1 Preliminary data sheet www.DataSheet.co.kr (1) ( Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier 010aaa156 (1) (3) ( (W/channel) o 010aaa159 (Hz) i © NXP B.V. 2007. All rights reserved ...

  • Page 32

    ... V ripple ( ( Fig 17. Supply voltage ripple rejection as a function of frequency Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier 010aaa160 (Hz) i 010aaa155 (Hz 500 mV (RMS) referenced to ground; ...

  • Page 33

    ... P (W/channel) o Power dissipation in junction only Fig 21. Power dissipation as a function of output power per channel (two channels driven) Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier 010aaa153 (1) ( (Hz) i ...

  • Page 34

    ... P o (W/channel 450 600 0 time ( Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier 010aaa207 ( THD 010aaa229 (1) 150 300 450 600 time (s) 4 SE; f ...

  • Page 35

    ... Preliminary data sheet SLEEP 0 0.5 1 1.5 = 100 mV; V > ENGAGE www.DataSheet.co.kr MUTE 0 0.5 1 1.5 = 100 mV i Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier 010aaa227 OPERATING 2 2 (V) POWERUP 010aaa228 OPERATING 2 2 ENGAGE ( © NXP B.V. 2007. All rights reserved ...

  • Page 36

    ... V P Fig 28. Total harmonic distortion-plus-noise as a function of output power TDA8933_1 Preliminary data sheet www.DataSheet.co. Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier 010aaa157 (1) (2) ( (W) o 010aaa161 (1) (2) ( (W) o © ...

  • Page 37

    ... Preliminary data sheet (1) ( www.DataSheet.co.kr (1) ( Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier 010aaa162 (Hz) i 010aaa163 (Hz) i © NXP B.V. 2007. All rights reserved Datasheet pdf - http://www.DataSheet4U.net/ ...

  • Page 38

    ... P (1) (W) 2.0 1.0 0 (W) o Power dissipation in junction only Fig 33. Power dissipation as a function of output power Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier 010aaa154 (1) ( (Hz) i 010aaa151 (1) ( ...

  • Page 39

    ... 480 600 0 time ( Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier 010aaa210 ( THD BTL BTL 010aaa230 (1) 150 300 450 600 time (s) BTL kHz i © ...

  • Page 40

    ... DREF IN2P www.DataSheet.co. SSD(HW) SSD(HW Cvddp 220 F/25 V Cvssp 220 F/ (symmetrical supply) Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier V SSA Csn Cvddp Cvssp 470 pF 100 nF 100 Rsn 10 Rbo 1 M Cbo LIc 15 nF ...

  • Page 41

    ... IN2N 14 IN2P 15 V SSD(HW SSA V DD www.DataSheet.co.kr Cvddp 220 F/25 V Cvssp 220 F/ BTL (symmetrical supply) Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier V SSD(HW SSA OSCIO 31 HVP1 Cvddp Cvssp Csn 30 100 nF 100 nF 470 pF V DDP1 ...

  • Page 42

    ... BOOT2 TEST DDP2 13 20 IN2N HVP2 14 19 IN2P DREF SSD(HW (asymmetrical supply) Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier Csn HVP1 Cvddp 470pF 100 nF VP Rsn 10 Rbo 1 M LIc Cse CIc LIc Rsn CIc Cse VP ...

  • Page 43

    ... TEST DDP2 13 20 IN2N HVP2 14 19 IN2P DREF SSD(HW) SSD(HW BTL (asymmetrical supply) Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier Chvp 100 nF HVPREF Rhvp Csn Cvddp 100 nF 470 pF 470 VP Rsn 10 Rbo 1 M Cbo LIc 15 nF Clc ...

  • Page 44

    ... 0.27 20.7 7.6 10.65 1.27 1.4 0.18 20.3 7.4 10.00 0.011 0.81 0.30 0.419 0.05 0.055 0.007 0.80 0.29 0.394 REFERENCES JEDEC JEITA MO-119 Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier SOT287 detail X ( 1.1 1.2 0.95 0.25 0.25 0.1 0.4 1.0 ...

  • Page 45

    ... Revision history Document ID Release date TDA8933_1 20070515 TDA8933_1 Preliminary data sheet Data sheet status Change notice Preliminary data sheet - www.DataSheet.co.kr Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier Supersedes - © NXP B.V. 2007. All rights reserved Datasheet pdf - http://www.DataSheet4U.net/ ...

  • Page 46

    ... Trademarks Notice: All referenced brands, product names, service names and trademarks are the property of their respective owners. http://www.nxp.com salesaddresses@nxp.com Rev. 01 — 15 May 2007 TDA8933 Class-D audio amplifier © NXP B.V. 2007. All rights reserved Datasheet pdf - http://www.DataSheet4U.net/ ...

  • Page 47

    ... NXP B.V. 2007. For more information, please visit: http://www.nxp.com For sales office addresses, please send an email to: salesaddresses@nxp.com Document identifier: TDA8933_1 TDA8933 All rights reserved. Date of release: 15 May 2007 Datasheet pdf - http://www.DataSheet4U.net/ ...