|Category||Multimedia => Audio|
|Description||10W+10W+10W/18W Triple Amplifier|
|Company||ST Microelectronics, Inc.|
|Datasheet||Download TDA7497 datasheet
10+10W (RL = 8) OUTPUT POWER @THD = 10%, Vcc = 26V INDEPENDENT MUTE FOR CENTER CHANNEL AND MAIN CHANNELS NO TURN-ON TURN-OFF POP NOISE NO BOUCHEROT CELL SINGLE SUPPLY RANGING TO 35V SHORT CIRCUIT PROTECTION THERMAL OVERLOAD PROTECTION INTERNALLY FIXED GAIN SOFT CLIPPING MULTIWATT 15 PACKAGE
DESCRIPTION The is a triple 10+10+10/18W class AB power amplifier assembled in the @ Multiwatt 15 package, specially designed for high quality sound, BLOCK DIAGRAM
TV applications. Features of the TDA7497 include mute functions, independently controller for main and center channels.
Symbol VS Ptot Tamb Tstg, Tj DC Supply Voltage Total Power Dissipation (Tamb = 70°C) Ambient Operating Temperature (1) Storage and Junction Temperature Parameter Value to 150 Unit W °CPW_GND OUTR VS OUTL PW_GND MUTE1 (L/R) MUTE2 (CENTER) S_GND SVR INC INL PW_GND_C OUTC VS_C INR
Symbol Rth j-case Rth j-amb Parameter Thermal Resistance Junction-case Thermal Resistance Junction-ambient Value Typ.=1.3 max = 1.9 max = 35 Unit °C/WELECTRICAL CHARACTERISTCS (Refer to the test circuit = 50, Tamb =25°C)
Symbol Iq VO PO_L/R Parameter Supply Voltage Range Total Quiescent Current Quiescent Output Voltage Output Power Left / RightChannels THD = THD = THD = THD = THD = THD = THD = THD = THD = THD 1%; RL Test Condition Min. Total Output Noise Slew Rate Input Resistance Supply Voltage Rejection Thermal Muting Thermal Shut-down = 1kHz CSVR = 470µF; VRIP to 22KHz Typ. Max. 100 14 Unit mA dB MHz µV V/µs dB °C
Total Harmonic Distortion Output Peak Current Output Peak Current Central Channel Closed Loop Gain L/R Voltage GainMatching
VMUTE1 Mute 1 ON threshold (L/R) Mute 1 OFF threshold (L/R) VMUTE2 Mute 2 ON Threshold (center) Mute 2 OFF Threshold (center) AMUTE Mute Attenuation Mute Play dB µA
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