TDA7494S STMicroelectronics, TDA7494S Datasheet
TDA7494S
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TDA7494S Summary of contents
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... SHORT CIRCUIT PROTECTION THERMAL OVERLOAD PROTECTION INTERNALLY FIXED GAIN SOFT CLIPPING LOW TURN-ON TURN-OFF POP NOISE MULTIWATT 15 PACKAGE DESCRIPTION The TDA7494S 10W is class AB power amplifier assembled in the @Multiwatt 15 package, spe- BLOCK AND APPLICATION DIAGRAM 470nF IN 1 PWR GND SGN GND March 2000 ...
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... TDA7494S ABSOLUTE MAXIMUM RATINGS Symbol V DC Supply Voltage S V Maximum Input Voltage IN P Total Power Dissipation (Tamb = 70°C) tot T Ambient Operating Temperature Range (1) amb Storage and Junction Temperature stg j (1) Operation between - °C guaranteed by correlation with 0 to 70°C. (2) Pin 3 is ESD sensitive (max. voltage 1.5KV) ...
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... THD = 10 18V THD = 1 18V 1W 1KHz 26dB O (internally limited 20Hz to 22KHz Play f = 20Hz to 22KHz Mute f = 1kHz 470 SVR RIP RMS Stand by on 5V; ST- 5V; MUTE Play or Mute Mute Play TDA7494S Min. Typ. Max -550 550 7.8 9 10 5.5 3 6.6 3.9 5.5 4 ...
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... TDA7494S Figure 1: Test and Application Circuit. C4 470nF IN 1 SGN GND Figure 2: P.C.B. and component layout (Pin IN1 of relevant device must be connected to IN3 of TDA7494 Board position). 4/ PWR 1 MUTE/STBY PROTECTIONS SVR C8 R5 470 F 10K MUTE S2 S3 STAND 0.1 F OUT C1 1000 F C10 PGND 470 F ...
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... Figure 4: Distortion vs Output Power d D96AU517 (%) 1 0.1 d=1% 0. Vs(V) SMALLER THAN SUGGESTION SUGGESTION Smaller mute on/off time Danger of oscillation Danger of oscillation Higher low frequency cutoff Worse SVR Smaller mute on/off time Higher low frequency cutoff = 21V 1KHz =28V f=15KHz TDA7494S D96AU518 f=1KHz (W) OUT 5/12 ...
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... TDA7494S Figure 5: Output Power vs Supply Voltage P OUT ( d=10 Figure 7: Distortion vs Frequency d (%) P =1W OUT 0.1 0.01 20 100 1K Figure 9: Quiescent Current vs Supply Voltage I Q (mA 6/12 Figure 6: Distortion vs Output Power d D96AU519 (%) 1 0 Figure 8: Distortion vs Frequency D96AU521 d (%) 1 0.1 0.01 f(Hz) 20 Figure 10: Quiescent Output Voltage vs Supply ...
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... Figure 13: Power Dissipation vs Output Power P DISS ( =35V =21V 0.1 1 Figure 12: Mute Atttenuation vs Vpin # 10 ATT D96AU527 (dB) 0dB=1W 0 -20 -40 -60 -80 -100 4 Vpin#9(V) Figure 14: Power Dissipation vs Output Power P DISS D96AU529 ( =28V 0 (W) OUT 0dB= Vpin#10( =21V S V =18V S 1 TDA7494S D96AU528 D96AU530 10 P (W) OUT 7/12 ...
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... STBY MUTE PLAY D96AU531A - At the turn-on the transition mute to play must be made when the SVR pin is higher than 2. the turn-off the TDA7494S must be brought to mute from the play condition when the SVR pin is higher than 2.5V. OPERATING CONDITION STANDBY STANDBY MUTE ...
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... PINS: IN1 INn 30K SVR D97AU581 PIN: SVR SVR V S 100 20K 6K 20K 6K 100 A TDA7494S OUT 30K 1K 1K 30K OUT D97AU585A 9/12 ...
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... TDA7494S PIN: ST-BY STBY 200 D97AU586 PIN: OUT D97AU588 10/12 PIN: MUTE PINS: PW-GND, S-GND V S OUT MUTE 300 10K 50 A D97AU587 V S GND D97AU593 V S ...
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... TYP. MAX. MECHANICAL DATA 0.197 0.104 0.063 0.039 0.022 0.030 0.050 0.060 0.700 0.710 0.795 0.874 0.886 0.870 0.886 0.713 0.689 0.699 0.421 0.429 0.114 0.179 0.191 0.200 0.218 0.102 0.102 0.152 TDA7494S OUTLINE AND Multiwatt15 V 11/12 ...
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... TDA7494S Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specification mentioned in this publication are subject to change without notice ...