3W MONO AMPLIFIER
®
TDA7267A
3W MONO AMPLIFIER
CAN DELIVER 3W THD 10% 14.5V/8Ω INTERNAL FIXED GAIN 32dB NO FEEDBACK CAPACITOR NO BOUCHER...
Description
®
TDA7267A
3W MONO AMPLIFIER
CAN DELIVER 3W THD 10% 14.5V/8Ω INTERNAL FIXED GAIN 32dB NO FEEDBACK CAPACITOR NO BOUCHEROT CELL THERMAL PROTECTION AC SHORT CIRCUIT PROTECTION SVR CAPACITOR FOR BETTER RIPPLE REJECTION LOW TURN-ON/OFF POP STAND-BY MODE
PowerDIP 8+8
ORDERING NUMBER: TDA7267A
DESCRIPTION The device TDA7267A is a new technology Mono Audio Amplifier in PowerDIP package specifically designed for TV application. Thanks to the fully complementary output configuBLOCK DIAGRAM
ration the device delivers a rail to rail voltage swing without need of boostrap capacitors.
VS 1 C1 0.1µF IN
VS=14.5V C4 100µF
IN
4
+ -
2
C5 470µF OUT 8Ω
SVR
3
C3 47µF S-GND
6
9 to 16 P-GND
D98AU827
June 1998
1/7
TDA7267A
ABSOLUTE MAXIMUM RATINGS
Symbol VS IO Top Tj Tstg Operating Supply Voltage Output Put Peak Current Operating Temperature Range Junction Temperature Storage Temperature Range Parameter Value 18 1.5 0 to 70 150 -40 to 125 Unit V A °C °C °C
PIN CONNECTION (Top view)
VS OUT SVR IN N.C. S-GND N.C. N.C.
1 2 3 4 5 6 7 8
D98AU829
16 15 14 13 12 11 10 9
P-GND P-GND P-GND P-GND P-GND P-GND P-GND P-GND
Rth with "on Board" Square Heat Sink vs. Copper Area
THERMAL RESISTANCE JUNCTION TO AMBIENT(˚C/W)
D98AU830
Example of heatsink using PC board copper
54 52 50 48 46 44 42 40 38 36 34 0 2 4 6 8 10 12
ON BOARD HEAT-SINK AREA (sq.cm)
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TDA7267A
THERMAL DATA
Symbol Rth j-amb Rth j-case Parameter Thermal Resistance Junction to ambient Thermal Resistance Junction to ca...
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