|Category||Multimedia => Audio|
|Description||8W+8W+15W Triple Amplifier|
|Company||ST Microelectronics, Inc.|
|Datasheet||Download TDA7497SA datasheet
8+8W (RL = 4) OUTPUT POWER @THD = 10%, Vcc = 25V 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 CLIPWATT 15 PACKAGE
DESCRIPTION The is a triple 8+8+15W class AB power amplifier assembled in the @ Clipwatt 15 package, specially designed for high quality sound, TV applications. BLOCK DIAGRAM
Features of the TDA7497SA include mute and St-By functions, independently controller for main and center channels.
This is preliminary information on a new product now in development. Details are subject to change without notice.
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.=1.5 max = 2.5 max = 48 Unit °C/WELECTRICAL CHARACTERISTCS (Refer to the test circuit = 1KHz; Tamb = 25°C)
Symbol Iq VO PO_L/R PO_C THD Ipeak L/R Ipeak SR Ri SVR TM Ts Total Output Noise Slew Rate Input Resistance Supply Voltage Rejection Thermal Muting Thermal Shut-down = 470mF; VRIP 22.5 50 Parameter Supply Voltage Range Total Quiescent Current Quiescent Output Voltage Output Power Left / RightChannels Output Power Center Channel Total Harmonic Distortion Output Peak Current Output Peak Current Central Channel Closed Loop Gain L/R Voltage GainMatching THD = 8; THD = 8; THD = 4 THD = 1KHz; (internally limited) (internally limited) Test Condition Min. Typ. Max. 100 13.5 Unit mA dB MHz µV V/µs dB °C
VMUTE1 Mute 1 ON threshold (L/R/C) Mute 1 OFF threshold (L/R/C) VMUTE2 Mute 2 ON threshold (center) Mute 2 OFF threshold (center) AMUTE Mute Attenuation Mute St-By dB µA
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