E-TDA7391PDTR

TDA7391PD 32 W bridge car radio amplifier Features ■ High power capability: – 40 W/3.2  EIAJ – 32 W/3.2  @ VS = 14.4 V, f = 1 kHz, d = 10 % – 26 W/4 @ VS = 14.4 V, f = 1 kHz, d = 10 % ■ Differential inputs (either single ended or differential input signal are accepted) '!0'03 '!0'03 ■ Minimum external component count: – No bootstrap capacitors – No Boucherot cells – Internally fixed gain (30 dB) – No SVR capacitor ■ Standby function (CMOS compatible) ■ Programmable turn-on/off delay ■ No audible pop during mute and stand-by operations PowerSO20 (slug-up) Description The TDA7391PD is a bridge class AB audio power amplifier specially intended for car radio high power applications. Protections ■ Short circuit (to GND, to VS, across the load) ■ Very inductive loads ■ Chip over temperature ■ Load dump ■ Open GND ■ ESD Table 1. PowerSO20 The high power capability together with the possibility to operate either in differential input mode or single ended input mode makes it suitable for boosters and high end car radio equipment. The exclusive fully complementary output stage and the internal fixed gain configuration drop the external component count. The on board clipping detector allows easy implementation of gain compression systems. Device summary Order code Package Packing E-TDA7391PD PowerSO20 Tube E-TDA7391PDTR PowerSO20 Tape and reel TDA7391PDU PowerSO20 (slug-up) Tube TDA7391PDUTR PowerSO20 (slug-up) Tape and reel September 2013 Doc ID 6326 Rev 5 1/12 www.st.com 12 Contents TDA7391PD Contents 1 Test and application circuit, block diagram . . . . . . . . . . . . . . . . . . . . . . 3 2 Pins description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 3 Electrical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.1 Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.2 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.3 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 3.4 Electrical characteristics curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 4 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 5 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2/12 Doc ID 6326 Rev 5 TDA7391PD 1 Test and application circuit, block diagram Test and application circuit, block diagram Figure 1. Test and application circuit 63 ).     4$!0$ 63 /54  #M& ). 37 #M& #N& #M& /54   34 "9 2 +7 #$    6REF 4/M#   2 +7 # M& '.$ '!0'03 Figure 2. Block diagram 6## 6##    3(/24#)2#5)4 $5-04(%2-!, 02/4%#4)/. 2%&%2%.#%3 34!.$"94(2%3(/,$ ).   0/7%2!-0 #/--/. -/$% )#- ). 6## GM   6F4J ,43    0/7%2!-0 4($ $%4%#4 #$ /54 63 02/'2!--!",% #522%.4#)2#5)4  -54%4(2%3(/,$ ,43 $)3!",% /54   -54% 39.#  3 '.$ Doc ID 6326 Rev 5  34!.$"9  0 '.$ '!0'03 3/12 Pins description 2 TDA7391PD Pins description Figure 3. Pins connection (top view) 0 '.$   0 '.$ /54   /54 .#   .# 34 "9   #$ 6##   6## .#   ). .#   ). 39.#   .# -54%   3 '.$ 0 '.$   0 '.$ 0 '.$   0 '.$ /54   /54 .#   .# #$   34 "9  6## 3LUG UP 6##  ).   .# ).   .# .#   39.# 3 '.$   -54% 0 '.$   0 '.$ '!0'03 Table 2. Pin Function Description The input stage is a high impedance type also capable of operation in single ended mode with one input capacitively coupled to the signal GND. The impedance seen by the inverting and non inverting input pins must be matched. 14, 15 INPUTS 5, 16 +V S Supply voltage. 17 CD The TDA7391PD is equipped with a diagnostic circuitry able to detect the clipping in the Output Signal (distortion = 10%). The CD pin (open collector) gives out low level signal during clipping. 2, 19 4/12 Pins function The output stage is a bridge type able to drive loads as low as 3.2. It consists of two class AB fully complementary PNP/NPN stages fully protected. OUTPUTS A rail to rail output voltage swing is achieved without need of bootstrap capacitors. No external compensation is necessary. 1, 10, 11, 20 GND Power Ground. 12 S-GND Signal ground. 4 The device features a ST-BY function which shuts down all the internal bias supplies when the ST-BY pin is low. In ST-BY mode the amplifier sinks a small STAND-BY current (in the range of few A). When the ST-BY pin is high the IC becomes fully operational. 8 SYNC A resistor (R2) has to be connect between pin 8 and GND in order to program the current that flows in the C3 capacitor (pin 9). The values of C3 and R2 determine the time required to bias the amplifier. 9 MUTE The pin will have a capacitor (C3) tied to GND to set the MUTE/STAND-BY time. An automatic Mute during turn on/off is provided to prevent noisy transients. Doc ID 6326 Rev 5 TDA7391PD Electrical specifications 3 Electrical specifications 3.1 Absolute maximum ratings Table 3. Absolute maximum ratings Symbol Value Unit VS DC supply voltage 28 V VOP Operating supply voltage 18 V Peak supply voltage (t = 50 ms) 50 V Output peak current repetitive (f > 10 Hz) 4.5 A Output peak current non repetitive 6 A Ptot Power dissipation (Tcase = 85 °C) 32 W Tstg, Tj Storage and junction temperature -40 to 150 C VPEAK IO 3.2 Parameter Thermal data Table 4. Thermal data Symbol Rth j-case 3.3 Parameter Thermal resistance junction-to-case Value Unit 2 °C/W Max. Electrical characteristics VS = 14.4 V; RL = 4 , f = 1 kHz, Tamb = 25 °C, unless otherwise specified. Table 5. Symbol Electrical characteristics Parameter Test condition Min. Typ. Max. Unit VS Supply voltage range - 8 - 18 V Iq Total quiescent current - - 60 150 mA VOS Output offset voltage - - - 120 mV ISB Standby current VST-BY = 1.5 V - - 100 A ISBin Standby input Bias current VST-BY = 5 V - - 10 A VSBon Standby on threshold voltage - - - 1.5 V VSBoff Standby off threshold voltage - 3.5 - - V Standby attenuation - - 90 - dB IM in Mute input bias current (VMUTE = 5 V) - - 10 A AM Mute attenuation - - 90 - dB ATTStandby Doc ID 6326 Rev 5 5/12 Electrical specifications Table 5. TDA7391PD Electrical characteristics (continued) Symbol Parameter PO Test condition Output power EIAJ output power (*) PO EIAJ d Min. Typ. Max. Unit d = 10 % 20 26 - W d=1% - 21 - W d = 10 %; RL = 3.2  - 32 - W VS = 13.7 V - 40 - W - - 0.06 - % PO = 0.1 to 15 W - 0.03 - % 29.5 30 30.5 dB Distortion GV Voltage gain - fH High frequency rolloff PO = 1 W; -3 dB 75 - - kHz Differential 36 60 - k Single Ended 30 55 - k RIN Input Impedance EIN Input noise voltage Rg = 0 ; f = 22 Hz to 22 kHz - 4 - mV Input common mode rejection f = 1 kHz; VIN = 1 Vrms - 65 - dB SVR Supply voltage rejection Rg = 0 ; Vr = 1 Vrms - 60 - dB CDL Clipping detection level - - 10 - % Tsd Absolute thermal shutdown junction temperature - - 160 - C CMRR 3.4 Electrical characteristics curves Figure 4. Quiescent current vs. supply voltage  Figure 5. )QM!   6I6RMS FK(Z   2,7        2,7       6/12 0O 7   EIAJ power vs. supply voltage       6S6       '!0'03 Doc ID 6326 Rev 5       6S6     '!0'03 TDA7391PD Figure 6.  Electrical specifications Output power vs. supply voltage (@RL = 4 0O7 Figure 7.  Distortion vs. frequency (@ RL = 4) 4($ 6S6 2,7 0O7 2,7 FK(Z   4($     4($       Figure 8.       6S6        '!0'03 Output power vs. supply voltage (@RL = 3.2) 0O7 Figure 9.  F(Z  '!0'03 Distortion vs. frequency (@ RL = 3.2) 4($ 6S6 2,7 0O 7 2,7 FK(Z    4($     4($             6S6     Figure 10. Supply voltage rejection vs. frequency     6S6 6R 6RMS 2,7 2 G          F(Z  #-22D" 6S6 6CM6RMS 2,7 2 G     '!0'03         F(Z Figure 11. Common mode rejection vs. frequency 362D"   '!0'03   '!0'03 Doc ID 6326 Rev 5  F(Z   '!0'03 7/12 Electrical specifications TDA7391PD Figure 12. Total power dissipation and effic. vs. output power (@RL = 4  Figure 13. Power bandwidth H 0TOT7  0TOT  ,EVELD"          H   6S6 2,7 FK(Z  8/12        0O7                   +  '!0'03 Doc ID 6326 Rev 5 6S6 2,7 0O7 + F(Z '!0'03 TDA7391PD 4 Package information Package information In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK® packages, depending on their level of environmental compliance. ECOPACK® specifications, grade definitions and product status are available at: www.st.com. ECOPACK® is an ST trademark. Figure 14. PowerSO20 mechanical data and package dimensions $)- MM -). 490 ! A INCH -!8 -). 490   A     A     B     C     $     $     %    E  E % %          '    (    H ,    %       . ƒ7\S 3 ƒ0D[ 4 7EIGHTGR    /54,).%!.$ -%#(!.)#!,$!4! -!8    *%$%#-/    0OWER3/  h$AND%vDONOTINCLUDEMOLDFLASHORPROTUSIONS -OLDFLASHORPROTUSIONSSHALLNOTEXCEEDMMv #RITICALDIMENSIONSh%vh'vANDhAv  &ORSUBCONTRACTORSTHELIMITISTHEONEQUOTEDINJEDEC-/  . 2 . A B ! E $%4!),! C A $%4!)," % E ( $%4!),! LEAD $ SLUG A $%4!),"    'AGE0LANE # 3 3%!4).'0,!.% , '# % % "/44/-6)%7 #/0,!.!2)49 4 %  HX  03/-%# $ ) '!0'03 Doc ID 6326 Rev 5 9/12 Package information TDA7391PD Figure 15. PowerSO20 (slug-up) mechanical data and package dimensions $)- ! ! ! ! A B C $ $ $ % % % % E E ' ( H , . 2 3 6 MM 490 -).            -!8          -).                 INCH 490 -!8                                          ƒPD[   /54,).%!.$ -%#(!.)#!,$!4 !  ƒPLQƒPD[ ƒPLQƒPD[ 0OWER3/3LUG UP  h$AND%vDONOTINCLUDEMOLDFLASHORPROTUSIONS -OLDFLASHORPROTUSIONSSHALLNOTEXCEEDMMv #RITICALDIMENSIONSh%vhAvhEvANDh'v . ( . % ! B 2 ! ! ! C 6 E $X $%4!),! E % % - HXß   $%4!),! % %  'AGE0LANE A 3 , # 3%!4).'0,!.% '#  $ #/0,!.!2)49  03/$-% $ # '!0'03 10/12 Doc ID 6326 Rev 5 TDA7391PD 5 Revision history Revision history Added Table 6. Document revision history Date Revision Changes 10-Oct-1998 1 Initial release. 02-Jul-2008 2 Document reformatted. Document status promoted from product preview to datasheet. Added Table 1: Device summary. Added ECOPACK description in Section 5: Package information. 19-Apr-2010 3 Updated Table 1: Device summary. 26-Jan-2011 4 Updated Table 1: Device summary. Added PowerSO20 (slug-up) drawing in Figure 3. Added PowerSO20 (slug-up) in Section 4: Package information. 16-Sep-2013 5 Updated Disclaimer. Doc ID 6326 Rev 5 11/12 TDA7391PD Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. 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