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TDA7350A
22W BRIDGE-STEREO AMPLIFIER FOR CAR RADIO
TDA7350A22W 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
ESD
DESCRIPTIONThe TDA7350A 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 TDA7350A 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
TDA7350A
ELECTRICAL CHARACTERISTICS (Refer to the test circuits, Tamb = 25°C, VS = 14.4V, f = 1KHz unlessotherwise specified)
STEREO
BRIDGE
(*) Curve A
(**) 22Hz to 22KHz
TDA7350A
Figure 1: STEREO Test and Appication Circuit
Figure 2: P.C. Board and Layout (STEREO) of the circuit of fig. 1 (1:1 scale)
TDA7350A
Figure 3: BRIDGE Test and Appication Circuit
Figure 4: P.C. Board and Layout (BRIDGE) of the circuit of fig. 3 (1:1 scale)
TDA7350A
