TDA7494 STMicroelectronics, TDA7494 Datasheet
TDA7494
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... SGN GND 8 100K D95AU414E September 2003 MULTIPOWER BI50II TECHNOLOGY DESCRIPTION The TDA7494 10W is class AB power amplifier assembled in the @Multiwatt 15 package, spe- cially designed for high quality sound, TV applica- tions. Features of the TDA7494 include volume control, 3 switchable inputs, Stand-by and mute functions. SW ...
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... TDA7494 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 Volume CTRL DC voltage ( (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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... RIP RMS f = 1kHz; max attenuation C = 470 SVR RIP RMS Input #1 selected Input #2 selected Input #3 selected Stand by on 5V; ST- 5V; MUTE Play or Mute Mute Play Input #1 selected Input #2 selected Input #3 selected TDA7494 Min. Typ. Max. Unit 0.4 % 1.4 1 °C 2.8 Vrms 24 ...
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... TDA7494 Figure 1: Test and Application Circuit. MONITOR OUT C3 470nF 470nF 470nF IN 3 +5V S1 TP1 JMP1 R3 100K R2 1 3.3K Figure 2: P.C.B. and component layout. 4/ VOL SVR 100K 300nF 300nF +5V TP2 VOL P1 50K LOG SGN GND 13 0.1 F C10 470 F 14 OUT PWR ...
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... Danger of oscillation Higher low frequency cutoff Higher low frequency cutoff Higher low frequency cutoff Smaller input- switch time Smaller volume regulation time Worse SVR Smaller mute on/off time Higher low frequency cutoff = 21V 1KHz =28V f=15KHz TDA7494 D96AU518 f=1KHz (W) OUT 5/12 ...
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... TDA7494 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 14: Mute Atttenuation vs Vpin # 10 ATT D96AU527 (dB) 0dB=1W 0 -20 -40 -60 -80 -100 4 Vpin#9(V) Figure 16: Power Dissipation vs Output Power P DISS D96AU529 ( =28V (W) 0.1 OUT quency V =1V RIP RMS MAX VOLUME MAX ATTENUATION 20 100 1K 0dB= Vpin#10( =21V S V =18V S 1 TDA7494 D96AU526 f(Hz) 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 TDA7494 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: IN3, IN1, IN2 INn 30K SVR D97AU581 PIN: VOLUME 10 A VOL D97AU591 PIN: SVR SVR PIN: SWITCH V S 100 A PIN: MONITOR 20K 6K 20K 6K 100 A TDA7494 SWITCH 10 A D97AU582 2K MONITOR BUFFER D97AU584 OUT 30K 1K 1K 30K OUT D97AU585A 9/12 ...
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... TDA7494 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 0.87 0.886 0.713 0.689 0.699 0.421 0.429 0.114 0.179 0.191 0.200 0.214 0.102 Multiwatt15 (Vertical) 0.102 0.152 TDA7494 OUTLINE AND 0016036 J 11/12 ...
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... TDA7494 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. Specifications mentioned in this publication are subject to change without notice ...