LM3886

Overture 68W ( ) 0.1 (THD N) 20Hz 20kHz 4 68W 8 38W SPiKe TM (Self Peak Instantaneous Temperature ( Ke)) SOA (Safe Operating Area) SPiKe 2.0 V ( ) 92dB (min) SN 0.03 THD N IMD (SMTPE) 0.004 V CC 28V 4 68W V CC 28V 8 38W High-Performance 68W Audio Power Amplifier with Mute 19930403 33020 23900 11800 ds011833 2000 8 Converted to nat2000 DTD Fixing for new data book changed overture to italics. V CC 35V 8 50W 135W SN 92dB V EE V CC 12V 11 TO-220 : 20V 94V TV Overture 68W ( ) * Overture SPiKe FIGURE 1. Typical Audio Amplifier Application Circuit 20000801 National Semiconductor Corporation 1 Printed in Japan NSJ 8/2001

Plastic Package (Note 11) Top View Order Number T or TF See NS Package Number TA11B for Staggered Lead Non-Isolated Package or TF11B for Staggered Lead Isolated Package http://www.national.com 2

(Note 4 5) V V ( ) 94V V V ( ) 84V (V V ) V V 80V (Note 15) 60V (Note 6) 125W ESD (Note 7) 3000V (Note 8) 150 T ( 10 ) 260 40 150 T JC 1 /W JA 43 /W TF JC 2 /W (Note 4 5) V V 20 T A 85 20V 84V (Note 4 5) V 28V V 28V I MUTE 0.5mA R L 4 T A 25 Symbol Parameter Conditions V V Power Supply Voltage (Note 13) V pin7 V 9V A M Mute Attenuation Pin 8 Open or at 0V, Mute: On Current out of Pin 8 0.5 ma, Mute: Off P O (Note 3) Output Power (Continuous Average) THD N 0.1 (max) f 1 khz; f 20 khz V V 28V, R L 4 V V 28V, R L 8 V V 35V, R L 8 Typical (Note 9) 18 Limit (Note 10) 20 84 Units (Limits) V (min) V (max) 115 80 db (min) Peak P O Instantaneous Peak Output Power 135 W THD N Total Harmonic Distortion Plus Noise 60W, R L 4, 30W, R L 8, 20 Hz f 20 khz A V 26 db SR (Note 3) Slew Rate (Note 12) V IN 2.0Vp-p, t RISE 2 ns 68 38 50 0.03 0.03 60 30 19 8 W (min) W (min) W I (Note 3) Total Quiescent Power Supply Current V CM 0V, V o 0V, I o 0A 50 85 ma (max) V OS Input Offset Voltage (Note 2) V CM 0V, I o 0 ma 1 10 mv (max) I B Input Bias Current V CM 0V, I o 0 ma 0.2 1 A (max) I OS Input Offset Current V CM 0V, I o 0 ma 0.01 0.2 A (max) I o Output Current Limit V V 20V, t ON 10 ms, V O 0V 11.5 7 A (min) V od (Note 2) PSRR (Note 2) CMRR (Note 2) A VOL (Note 2) Output Dropout Voltage (Note 14) V V O, V 28V, I o 100 ma V O V, V 28V, I o 100 ma Power Supply Rejection Ratio V 40V to 20V, V 40V, V CM 0V, I o 0 ma V 40V, V 40V to 20V, V CM 0V, I o 0 ma Common Mode Rejection Ratio V 60V to 20V, V 20V to 60V, V CM 20V to 20V, I o 0 ma Open Loop Voltage Gain V V 28V, R L 2 k, V O 40V GBWP Gain-Bandwidth Product V V 30V f O 100 khz, V IN 50 mvrms 1.6 2.5 120 105 2.0 3.0 85 85 V/ s (min) V (max) V (max) db (min) db (min) 110 85 db (min) 115 90 db (min) 8 2 MHz (min) 3 http://www.national.com

(Note 4 5) ( ) V 28V V 28V I MUTE 0.5mA R L 4 T A 25 Symbol Parameter Conditions e IN (Note 3) Input Noise IHF A Weighting Filter R IN 600 (Input Referred) SNR Signal-to-Noise Ratio P O 1W, A-Weighted, Measured at 1 khz, R S 25 P O 60W, A-Weighted, Measured at 1 khz, R S 25 IMD Intermodulation Distortion Test 60 Hz, 7 khz, 4:1 (SMPTE) 60 Hz, 7 khz, 1:1 (SMPTE) Typical (Note 9) Limit (Note 10) Units (Limits) 2.0 10 V (max) 92.5 db 110 db 0.004 0.009 Note 1: Note 2: Note 3: Note 4: Note 5: Note 6: Note 7: Note 8: Note 9: Note 10: Note 11: Note 12: Note 13: Note 14: Note 15: 84V SPIKe DC 1 AC 2 GND (pin7) IC IC AC DC (Typical) 25 T J 150 JC 1.0 /W (T ) JC 2.0 /W (TF ) ESD 100pF 1.5k 150 250 25 (AOQL) T TA11B V CS ( ) V V 9V vs V 40V V 40V #1 (DC ) http://www.national.com 4

#2 (AC ) * FIGURE 2. Typical Single Supply Audio Amplifier Application Circuit 5 http://www.national.com

(excluding active protection circuitry) http://www.national.com 6

(Figure 1 2) 1. R IN 2. R A DC 3. C A 4. C AC 5. R B 1.5V 6. C C (Note 16) ( ) EMI 7. Ri R f1 AC 8. Ci (Note 16) DC f c 1/(2 R i C i ) ( ) 9. R f1 Ri AC 10. R f2 (Note 16) R f1 R i C f AC ( ) f c [R f1 R f2 (s 1/R f2 C f )]/[(R f1 R f2 )(s 1/C f (R f1 R f2 ))] 11. C f AC R f1 R f2 (Note 16) 12. R M 8 0.5mA R M : R M ( V EE 2.6V)/I8 I8 0.5 ma vs 13. C M 14. R SN C SN (Note 16) 15. C SN (Note 16) R SN f c 1/(2 R SN C SN ) 16. L (Note 16) 17. R (Note 16) R Q L R L 18. C S 19. S1 Note 16: C C C f 2 Figure 2 7 http://www.national.com

Safe Area SPiKe Protection Response Supply Current vs Supply Voltage Pulse Thermal Resistance Pulse Thermal Resistance Supply Current vs Output Voltage Pulse Power Limit Pulse Power Limit Supply Current vs Case Temperature http://www.national.com 8

( ) Input Bias Current vs Case Temperature Clipping Voltage vs Supply Voltage Clipping Voltage vs Supply Voltage THD N vs Frequency THD N vs Frequency THD N vs Frequency THD N vs Output Power THD N vs Output Power THD N vs Output Power THD N vs Output Power THD N vs Output Power THD N vs Output Power 9 http://www.national.com

( ) THD N vs Output Power THD N vs Output Power THD N vs Output Power THD N Distribution THD N Distribution THD N Distribution THD N Distribution THD N Distribution Output Power vs Load Resistance http://www.national.com 10

( ) Max Heatsink Thermal Resistance ( /W) at the Specified Ambient Temperature ( ) Maximum Power Dissipation vs Supply Voltage Note: The maximum heat sink thermal resistance values, ø SA, in the table above were calculated using a ø CS 0.2 /W due to thermal compound. Power Dissipation vs Output Power Power Dissipation vs Output Power Output Power vs Supply Voltage IMD 60 Hz, 4:1 IMD 60 Hz, 7 khz, 4:1 IMD 60 Hz, 7 khz, 4:1 11 http://www.national.com

( ) IMD 60 Hz, 1:1 IMD 60 Hz, 7 khz 1:1 IMD 60 Hz, 7 khz, 1:1 Mute Attenuation vs Mute Current Mute Attenuation vs Mute Current Large Signal Response Power Supply Rejection Ratio Common-Mode Rejection Ratio Open Loop Frequency Response : 8 0.5mA R M ( )8 V 8 R M R M ( V EE 2.6V)/I8 I8 0.5 ma : DC : 11A( ) http://www.national.com 12

( ) SPiKe : Safe Area SPiKe Safe Area : 165 155 165 165 155 IC IC 100ms IC IC JC 1 /W CS 0.2 /W CS IC IC 120 0.5 /W 0.005 0.2 /W V 2 0.4 /W 0.5 /W IC IC (P D ) IC (1) IC (2) (3) IC P DMAX V 2 CC /2 2 R L (1) V CC P DAVE (V Opk /R L )[V CC / V Opk /2] (2) V CC V Opk V CC / P DAVE V CC V Opk / R L V 2 Opk /2R L (3) V CC 13 http://www.national.com

( ) IC ( /W) (4) T JC ( ) 1 /W 0.2 /W CS ( ) ( ) ( ) 3 2 JC CS ( ) P DMAX (T Jmax T Amb )/ JA JA JC CS SA P DMAX JC SC SA SA [(T Jmax T Amb ) P DMAX ( JC CS )]/P DMAX (4) SA 25 (1) (4) JC T Jmax 150 CS IC SN 1 (200kHz 2MHz) SN 10dB ( 2 ) (Note17) : 1. RMS 2. 3. 4. RMS ARM ( ) Note 17: CCIR/ARM: Ray Dolby David Robinson Kenneth Gundry AES Preprint No.1353 (F-3) SN A 3kHz 7kHz SN SN IC http://www.national.com 14

( ) (10 F ) (0.1 F) 470 F R 2 2 IC 20 F 2 ( 1 H ) 10 PC ( ) 0.1 F PC 2 2 I L I I V 1 R 1 R 2 3 3 PC ( ) 15 http://www.national.com

( ) (50pF 500pF ) C C 0.2 F 0.7 H 10 10 Q LR 10 RC ( ) ( P O ) ( 4V) V opeak (I opeak ) 15 AC 10 (V opeak Vod)(1 )(1.1) (7) (5) (6) (8) 20 200 40W 8 894mV 89mV SN THD N R IN DC R f1 (10k 100k ) R i 40W/4 : (5) (6) : 40W/4 V opeak 17.9V I opeak 4.5A : 21.0V @ 4.5A 40W 4 1V (max) 100k 20Hz 20kHz 0.25dB 15 AC (7) 26.6V THD N (8) : A V 12.6 13 ( )973mV R IN 100k Figure 1 10k 100k DC R f1 100k Ri ( ) Ri R f1 /(A V 1) 100k/(13 1) 8.3 k ;8.2 k 3dB 5 0.17dB 0.25dB f L 20Hz/5 4Hz f H 20kHz 5 100kHz 100kHz 3dB GBWP http://www.national.com 16

( ) GBWP A V f3db 13 100kHz 1.3MHz GBWP 2.0MHz (min) ( ) Ci Ci 1/(2 Rif L ) 4.85 F; 4.7 F : 2 : 2 : 2 ( ): : : : : B : 180 2 AB : B IC PNP THD N: Total Harmonic Distortion plus Noise ( ) ( ) ( ) (SN ): : ( dbw) : (IHF ) : : ( THD N ) : : SPiKe ( ): : : 100ms IC IC : ( /W) DC AC : 0.707 3dB THD N 0.25 60W 30W 0.25 : A CL1 f 1 A CL2 f 2 (A CL1 1 (0 db)) fu fi GBWP GBWP A CL2 f2 fu (GBWP) GBWP 3dB 17 http://www.national.com

( ) : 2 500Hz 1600Hz C.C.I.R./A.R.M.: Literally: International Radio Consultative Committee Average Responding Meter B S.P.L.: Sound Pressure Level 0.0002 Bars ( ) S.P.L. 20 Log 10P/0.0002 db P R.M.S. (1 Bar 1 14.5 lb/in 2 194 db S.P.L.) http://www.national.com 18

inches (millimeters) Order Number T NS Package Number TA11B Order Number TF NS Package Number TF11B 19 http://www.national.com

Overture 68W ( ) 1. (a) (b) 2. 135-0042 2-17-16 TEL.(03)5639-7300 / http://www.national.com/jpn/ 0120-666-116