Document
TDA7497SA
www.datasheet4u.com
8W+8W+15W TRIPLE AMPLIFIER
PRODUCT PREVIEW
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FEATURES
8+8W (RL = 8Ω) + 15W ( RL = 4Ω) 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 UP TO 35V SHORT CIRCUIT PROTECTION THERMAL OVERLOAD PROTECTION INTERNALLY FIXED GAIN SOFT CLIPPING CLIPWATT 15 PACKAGE
Figure 1. Package
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Clipwatt15
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Table 1. Order Codes
Part Number TDA7497SA Package Clipwatt15
amplifier assembled in the @ Clipwatt 15 package, specially designed for high quality sound, TV applications. Features of the TDA7497SA include mute functions independently controlled for main and center channels.
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DESCRIPTION
The TDA7497SA is a triple 8+8+15W class AB power Figure 2. Block Diagram
VS_C PW_GND C1 INR 470nF S_GND 8 2 11 1 13 VS
+VS C11 0.1µF C10 0.1µF C9 1000µF
+ 30K OP AMP
14
C8 1000µF OUTR C12 1µF
S1 MUTE2 (CENTER) 10K R2
9 PW_GND_C 4 MUTE PROTECTIONS 60K C2 INL 470nF 5 10 MUTE2 MUTE1
+5V
10K R1 C7 1µF
S_GND
+5V S2 MUTE1 (L/R)
+ 30K OP AMP
12
OUTL C6 1000µF
C3 INC 470nF C4 470µF
6
+ 30K OP AMP
3
OUTC
C5
SVR
7
1000µF 15 PW_GND
D98AU961B
February 2005
This is preliminary information on a new product now in development. Details are subject to change without notice.
Rev. 3 1/10
TDA7497SA
Table 2. Absolute Maximum Ratings
Symbol VS www.datasheet4u.com Ptot Tamb Tstg, Tj DC Supply Voltage Total Power Dissipation (Tamb = 70°C) Ambient Operating Temperature (1) Storage and Junction Temperature Parameter Value 35 30 0 to 70 -40 to 150 Unit V W °C °C
(1) Operation between -20 to 85°C guaranteed by correlation with 0 to 70°C.
Figure 3. Pin Connection (Top view)
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
PW_GND OUTR VS OUTL PW_GND MUTE1 (L/R) MUTE2 (CENTER) S_GND SVR INC INL PW_GND_C OUTC VS_C INR
D02AU1413
Table 3. Thermal Data
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/W °C/W
2/10
TDA7497SA
Table 4. Electrical Characteristcs (Refer to the test circuit VS = 25V; Rg = 50Ω; f = 1KHz; Tamb = 25°C)
Symbol Parameter Test Condition Min. 11 60 11.5 THD = 10%; RL = 8Ω; THD = 1%; RL = 8Ω; THD = 10%; RL = 4Ω THD = 1%; RL = 4Ω PO = 1W; f = 1KHz; (internally limited) (internally limited) 28.5 -1 0.6 Total Output Noise Slew Rate Input Resistance Supply Voltage Rejection Thermal Muting Thermal Shut-down f = 1kHzCSVR = 470mF; VRIP = 1Vrms f = 20Hz to 22KHz 5 22.5 50 60 8 30 60 150 160 150 2.0 2.5 29.5 30.5 1 6 5 12 10 12.5 8 6 15 12 0.4 Typ. Max. 30 100 13.5 Unit V mA V W W W W % A A dB dB MHz µV V/µs KΩ dB °C °C
VS Supply Voltage Range www.datasheet4u.com Iq VO PO_L/R PO_C THD Ipeak L/R Ipeak C GV ∆GV BW eN SR Ri SVR TM Ts 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 .