DatasheetsPDF.com

TDA7490L

STMicroelectronics
Part Number TDA7490L
Manufacturer STMicroelectronics
Description STEREO CLASS-D AMPLIFIER 28W MONO
Published Apr 27, 2009
Detailed Description ® TDA7490L 15W + 15W STEREO CLASS-D AMPLIFIER 28W MONO IN BTL www.datasheet4u.com 15W + 15W OUTPUT POWER: RL = 8Ω/4Ω;...
Datasheet PDF File TDA7490L PDF File

TDA7490L
TDA7490L

Overview
® TDA7490L 15W + 15W STEREO CLASS-D AMPLIFIER 28W MONO IN BTL www.
datasheet4u.
com 15W + 15W OUTPUT POWER: RL = 8Ω/4Ω; THD = 10% HIGH EFFICIENCY WIDE SUPPLY VOLTAGE RANGE (FROM ±10 TO ±25V) SPLIT SUPPLY TURN OFF/ON POP FREE ST-BY AND MUTE FEATURES SHORT CIRCUIT PROTECTION ACROSS THE LOAD THERMAL OVERLOAD PROTECTION EXTERNALLY SINCHRONIZABLE BRIDGE CONFIGURATION Flexiwatt 25 ORDERING NUMBER: TDA7490L DESCRIPTION The TDA7490L is a dual audio class D amplifier assembled in Flexiwatt 25 package; it is specially designed for high efficiency application mainly for TV and Home Stereo sets.
Figure 1.
Test and application circuit.
(Stereo Configuration) R1 10K +VCC R17 52.
3K -VCC +VCC MUTE STBY R2 30K C27 2.
2µF 6 R21 4.
7K C26 470pF C25 470pF R20 68K 7 9 R3 10K R4 130K C23 2200µF 14 2 C22 100nF 4 C21 2200µF -VCC R15 100 C1 330nF INPUT1 C2 1nF 10 G=2.
5 PWM-stage1 INTEGRATOR1 5 C20 33nF C18 330pF C19 560pF L1 30µ OUT1 C10 220nF PREAMPLIFIER1 12 3 C3 100nF C4 100nF R1 10K -VCC C7 100nF -VCC R 6.
8 C5 330nF INPUT2 C6 1nF 11 R14 22K OSC 8 C17 24pF 15 C16 330pF R13 10K EXT_CK 13 16 1 25 PREAMPLIFIER2 18 G=2.
5 INTEGRATOR2 PWM-stage2 20 24 22 23 R12 22K C14 33nF L2 30µ C15 560pF R11 100 -VCC OUT2 C29 220nF 21 19 R5 4.
7K C8 470pF R6 68K 17 C9 470pF C28 2200µF -VCC R9 52.
3K C11 100nF C12 2200µF +VCC D98AU978A March 2001 1/9 TDA7490L Figure 2.
Test and application circuit.
(Bridge Configuration) 470pF 470pF R5 52.
3K C40 R4 68K C41 www.
datasheet4u.
com 7 PRE + The LC filter is optimized for 8Ω (<->LC filter for 4Ω in single-ended) It hos to be changed for other loads 9 L9 30µ INPUT 10 Int.
PWM-stage 3 C23 235nF C26 470nF R27 10 R28 10 C29 470nF dumping (common mode) R63 4.
7K R25 Rload C24 235nF 18 PRE + - Int.
PWM-stage 23 L10 30µ 19 470pF 17 470pF C60 R61 68K C59 R62 52.
3K D99AU1081 ABSOLUTE MAXIMUM RATINGS Symbol VCC Ptot Tstg, Tj Top V6,8,10,18 Parameter DC Supply Voltage (no signal) Power Dissipation Tcase = 70°C St...


Similar Datasheet


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site. (Privacy Policy & Contact)