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TDA7350
22W BRIDGE-STEREO AMPLIFIER FOR CAR RADIO
TDA735022W BRIDGE-STEREO AMPLIFIER FOR CAR RADIO
VERY FEW EXTERNAL COMPONENTS
NO BOUCHEROT CELLS
NO BOOSTRAP CAPACITORS
HIGH OUTPUT POWER
NO SWITCH ON/OFF NOISE
VERY LOW STAND-BY CURRENT
FIXED GAIN (30dB STEREO)
PROGRAMMABLE TURN-ON DELAY
Protections:OUTPUT AC-DC SHORT CIRCUIT TO
GROUND AND TO SUPPLY VOLTAGE
VERY INDUCTIVE LOADS
LOUDSPEAKER PROTECTION
OVERRATING CHIP TEMPERATURE
LOAD DUMP VOLTAGE
FORTUITOUS OPEN GROUND
DESCRIPTIONThe TDA7350 is a new technology class AB
Audio Power Amplifier in the Multiwatt® package
designed for car radio applications.
Thanks to the fully complementary PNP/NPN out-
put configuration the high power performance of
the TDA7350 is obtained without bootstrap ca-
pacitors.
A delayed turn-on mute circuit eliminates audible
on/off noise, and a novel short circuit protection
system prevents spurious intervention with highly
inductive loads.
APPLICATION CIRCUIT BRIDGE
PIN CONNECTION (Top view)
ABSOLUTE MAXIMUM RATINGS
THERMAL DATA
TDA73502/22
ELECTRICAL CHARACTERISTICS (Refer to the test circuits, Tamb = 25°C, VS = 14.4V, f = 1KHz unlessotherwise specified)
STEREO
BRIDGE
(*) Curve A
(**) 22Hz to 22KHz
TDA7350
Figure 1: STEREO Test and Appication Circuit
Figure 2: P.C. Board and Layout (STEREO) of the circuit of fig. 1 (1:1 scale)
TDA7350
Figure 3: BRIDGE Test and Appication Circuit
Figure 4: P.C. Board and Layout (BRIDGE) of the circuit of fig. 3 (1:1 scale)
TDA7350
