TDA7451

Common Mode Rejection Ratio (Min) :
Packaging : Tube
Maximum Operating Temperature : + 150 C
Mounting Style : Through Hole
THD plus Noise : 0.06 %
Product : Class-AB
Operating Supply Voltage : 18 V
Available Set Gain : 26 dB
Package / Case : FLEXIWATT-25
Output Type : 2-Channel Stereo or 4-Channel Stereo
Supply Current : 4 A
Output Power : 32 W
Maximum Power Dissipation : 55000 mW


Features:

*HIGH UTPUT OWER APABILITY:
4 x9.5W OR2 x32W/4  MAX
4 x8.5W OR2 x28W/4 EIAJ
4 x7W OR2 x22W/4  @14.4V,1KHz;10%
*MINIMIZED XTERNAL OUNT
- NO NEED OF DECOUPLING CAPACITORS
- NO NEED OF BOOTSTRAP CAPACITOR
- NO NEED OF EXTERNAL COMPENSATION
- INTERNALLY FIXEDGAIN(20dB)
*POP-FREEAUDIO SECTION
*ST-BY FUNCTION(C-MOS)
*MUTE FUNCTION (C-MOS)
*CLIP DETECTOR, THERMAL WARNING,
SHORT CIRCUIT DE TECTION
*BUILT-IN VOL TAGE REGULATORS:
- 5V@ 150mA WITH RESET
- 5V@ 500mA WITH ST-BY
- 8.5V@ 200mA WITHST-BY
*REGULATORS DIAGNOSTIC FEATURE: UNDERVOLTAGE, 8.5V DROP SENSE, SHORT
CIRCUIT, LOAD DUMP, OVER-TEMPERA-TURE


Pinout




Specifications

Symbol	Parameter	Value	Unit
VS	DC Supply Voltage	28	V
VOP	Operating SupplyVoltage	18	V
VPEAK	Peak SupplyVoltage (t = 50ms)	50	V
IO	Audio OutputPeak Current (non repetitivet =100s)	4	A
	Audio OutputPeak Current (repetitive f > 10Hz)	3	A
IO	Voltage Regulators Output Current	internallylimited
Ptot	Power Dissipation(Tcase =85°C)	55	W
Tstg ,Tj	Storage and Junction Temperature Range	-40 to 150
Vout	Output Voltages (DIAG, RESET)	7	V
Vin	Input Voltages(ST-BY, MUTE)	18	V
RESR	Output capacitor series resistance	0.2 to 10

Parameters:

Technical/Catalog Information	TDA7451
Vendor	STMicroelectronics
Category	Integrated Circuits (ICs)
Package / Case	25-Flexiwatt (bent and staggered leads)
Type	Class AB
Output Type	2-Channel (Stereo) or 4-Channel (Quad)
Voltage - Supply	-
Packaging	Tube
Features	Depop, Mute, Short-Circuit and Thermal Protection, Standby
Max Output Power x Channels @ Load	32W x 2 @ 4 Ohm; 9.5W x 4 @ 4 Ohm
Drawing Number	*
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	TDA7451 TDA7451