Overture 68W ( ) 0.1 (THD N) 20Hz 20kHz 4 68W 8 38W SPiKe (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 2003 10 Converted to nat2000 DTD Fixing for new data book changed overture to italics. V CC 35V 8 50W 135W SN 92dB EE V CC 12V 11 TO-220 : 20V 94V TV Overture 68W ( ) * FIGURE 1. Typical Audio Amplifier Application Circuit Overture SPiKe 20000801 National Semiconductor Corporation DS011833-04-JP 1
Plastic Package (Note 12) Note 1: ( ) 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 2
(Note 5 6) V V ( ) 94V V V ( ) 84V (V V ) V V 80V (Note 16) 60V (Note 7) 125W ESD (Note 8) 3000V (Note 9) 150 T ( 10 ) 260 40 150 T JC 1 /W JA 43 /W TF JC 2 /W (Note 5 6) 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 3
(Note 5 6) ( ) V 28V V 28V I MUTE 0.5mA R L 4 T A 25 Note 2: 84V SPIKe Note 3: DC 1 Note 4: AC 2 Note 5: GND (pin7) Note 6: IC IC AC DC (Typical) Note 7: 25 T J 150 JC 1.0 /W (T ) JC 2.0 /W (TF ) Note 8: ESD 100pF 1.5k Note 9: 150 250 Note 10: 25 Note 11: (AOQL) Note 12: T TA11B V CS ( ) V Note 13: Note 14: V 9V Note 15: Clipping Voltage vs Supply Voltage Note 16: V 40V V 40V 4
#1 (DC ) #2 (AC ) 5
* FIGURE 2. Typical Single Supply Audio Amplifier Application Circuit 6
(excluding active protection circuitry) 7
(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 17) ( ) EMI 7. Ri R f1 AC 8. Ci (Note 17) DC f c 1/(2 R i C i ) ( ) 9. R f1 Ri AC 10. R f2 (Note 17) 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 17) 12. R M 8 0.5mA R M : R M ( V EE 2.6V)/I8 I8 0.5 ma Mute Attenuation vs Mute Current 13. C M 14. R SN C SN (Note 17) 15. C SN (Note 17) R SN f c 1/(2 R SN C SN ) 16. L (Note 17) 17. R (Note 17) R Q L R L 18. C S 19. S1 Note 17: C C C f 2 Figure 2 8
Safe Area SPiKe Protection Response Supply Current vs Supply Voltage Pulse Thermal Resistance Pulse Thermal Resistance Supply Current vs Output Voltage 9
( ) Pulse Power Limit Pulse Power Limit Supply Current vs Case Temperature Input Bias Current vs Case Temperature Clipping Voltage vs Supply Voltage Clipping Voltage vs Supply Voltage 10
( ) 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 11
( ) 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 12
( ) THD N Distribution THD N Distribution THD N Distribution THD N Distribution THD N Distribution Output Power vs Load Resistance 13
( ) 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 14
( ) IMD 60 Hz, 7 khz, 4:1 IMD 60 Hz, 7 khz, 4:1 IMD 60 Hz, 1:1 IMD 60 Hz, 7 khz 1:1 IMD 60 Hz, 7 khz, 1:1 Mute Attenuation vs Mute Current 15
( ) Mute Attenuation vs Mute Current Large Signal Response Power Supply Rejection Ratio Common-Mode Rejection Ratio Open Loop Frequency Response 16
: 8 0.5mA R M ( ) 8 V 8 R M I8 0.5 ma R M ( V EE 2.6V)/I8 : DC : 11A ( ) 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 17
( ) 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 (1) (4) JC T Jmax 150 CS SN SN 1 1 IC 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 IC SN 1 (200kHz 2MHz) SN 10dB ( 2 ) (Note 18) Note 18: CCIR/ARM: Ray Dolby David Robinson Kenneth Gundry AES Preprint No.1353 (F-3) 1. RMS 2. 3. 4. RMS ARM ( ) 18
( ) SN A 3kHz 7kHz (10 F ) (0.1 F) 470 F 0.1 F PC 2 2 R 2 2 IC 20 F 2 ( 1 H ) 10 PC ( ) I L I I V 1 1 R 1 R 2 19
( ) 3 PC ( ) (50pF 500pF ) C C ( 4V) V opeak (I opeak ) 15 AC 10 (V opeak Vod)(1 )(1.1) (7) (5) (6) (8) 0.2 F 0.7 H 10 10 Q LR 10 RC ( ) ( P O ) 20 200 40W 8 894mV 89mV SN THD N R IN DC R f1 (10k 100k ) R i 40W/4 : 40W (5) (6) : 40W/4 opeak 17.9V I opeak 4.5A : 21.0V @ 4.5A 15 AC (7) 26.6V THD N 4 1V (max) 100k 20Hz 20kHz 0.25dB 20
( ) (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 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 1 AC 21
( ) : 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 : 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.) 22
inches (millimeters) Order Number T NS Package Number TA11B Order Number TF NS Package Number TF11B 23
Overture 68W ( ) 1. (a) (b) 2. 135-0042 2-17-16 TEL.(03)5639-7300 / 0120-666-116