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E-TDA7396
Differential input, single BTL output power amplifier with clip detection
TDA739645W/2Ω BRIDGE CAR RADIO AMPLIFIER
WITH DIAGNOSTIC FACILITY
HIGH POWER CAPABILITY:
- 65W/2Ω MAX
- 60W/2Ω EIAJ
- 45W/2Ω @ VS = 14.4V, f = 1KHz, d = 10%
DIFFERENTIAL INPUTS (EITHER SINGLE
ENDED OR DIFFERENTIAL INPUT SIGNALS
ARE ACCEPTED)
MINIMUM EXTERNAL COMPONENT COUNT:
- NO BOOTSTRAP CAPACITORS
- NO BOUCHEROT CELLS
- INTERNALLY FIXED GAIN (26dB)
- NO SVR CAPACITOR
ST.-BY FUNCTION (CMOS COMPATIBLE)
AUTOMATIC MUTE DURING TURN-ON/OFF
AUTOMUTE AT MINIMUM SUPPLY
VOLTAGE DETECTION
SYNCHRONIZING PIN FOR SIMULTANEOUS
TURN-ON IN MULTI-DEVICE APPLICATIONS
NO AUDIBLE POP DURING MUTE AND ST-
BY OPERATIONS
Diagnostic Facilities:CLIPPING DETECTOR
SHORT CIRCUIT
OPEN LOAD
THERMAL SHUTDOWN
PROTECTIONS:SHORT CIRCUIT (TO GND, TO VS, ACROSS
THE LOAD)
VERY INDUCTIVE LOADS
CHIP OVER-TEMPERATURE
LOAD DUMP
OPEN GND
ESD
Figure 1: Test And Application Circuit
DESCRIPTIONThe TDA7396 is a BRIDGE class AB audio power
amplifier especially intended for car radio High
Power applications.
The 2Ω power capability together with the possi-
bility to operate either in DIFFERENTIAL INPUT
MODE or SINGLE ENDED INPUT MODE makes
it suitable for boosters and high end car radio ap-
plications.
The exclusive fully complementary output stage
and the internally fixed gain configuration drop the
external component count.
The on board clipping detector allows easy imple-
mentation of gain compression systems.
The diagnostics facility allows to detect any mis-
takes during car radio set assembly and wiring in
the car.
Figure 2: Block Diagram
THERMAL DATA
PIN CONNECTION (Top view)
TDA73962/11
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS (VS = 14.4V; RL = 2Ω, f = 1KHz, Tamb = 25°C, unless otherwise
specified)
TDA73963/11
FUNCTIONAL DESCRIPTION
Figure 3: Application Circuit with External Mute Control
TDA73964/11
Figure 4: Quiescent Current vs Supply Voltage Figure 5: EIAJ power vs Supply Voltage
Figure 6: Output Power vs Supply Voltage (RL =2Ω) Figure 7: Distortion vs Frequency (RL =2Ω)
Figure 8: Output Power vs Supply Voltage (RL =4Ω) Figure 9: Distortion vs Frequency (RL =4Ω) TDA73965/11
Figure 10: Supply Voltage Rejection vs Fre-quency
Figure 11: Common Mode Rejection vs. Fre-quency
Figure 12: Total Power Dissipation & Efficiency vs.Output Power (RL = 2Ω)
Figure 13: Total Power Dissipation & Efficiency vs.Output Power (RL = 4Ω)
TDA73966/11
