TDA7575 STMicroelectronics, TDA7575 Datasheet - Page 12

IC AMP AUDIO 150W AB 27FLEXIWATT

TDA7575

Manufacturer Part Number
TDA7575
Description
IC AMP AUDIO 150W AB 27FLEXIWATT
Manufacturer
STMicroelectronics
Type
Class ABr
Datasheets

Specifications of TDA7575

Output Type
1-Channel (Mono) or 2-Channel (Stereo)
Max Output Power X Channels @ Load
150W x 1 @ 1 Ohm; 75W x 2 @ 2 Ohm
Voltage - Supply
8 V ~ 18 V
Features
Differential Inputs, I²C, Mute, Short-Circuit and Thermal Protection, Standby
Mounting Type
Through Hole
Package / Case
27-Flexiwatt (bent and staggered leads)
Operational Class
Class-AB
Output Power (typ)
150x1@1Ohm/75x2@2OhmW
Audio Amplifier Function
Speaker
Total Harmonic Distortion
0.02@1Ohm@30W%
Single Supply Voltage (typ)
9/12/15V
Dual Supply Voltage (typ)
Not RequiredV
Power Supply Requirement
Single
Power Dissipation
86W
Rail/rail I/o Type
No
Single Supply Voltage (min)
8V
Single Supply Voltage (max)
18V
Dual Supply Voltage (min)
Not RequiredV
Dual Supply Voltage (max)
Not RequiredV
Operating Temp Range
-55C to 150C
Operating Temperature Classification
Military
Mounting
Surface Mount
Pin Count
36
Package Type
PSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

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TDA7575
Afterwards, when the Amplifier is biased, the PERMANENT diagnostic takes place. The previous Turn On state
is kept until a short appears at the outputs.
Fig A: Turn - On diagnostic: working principle
Fig. B and C show SVR and OUTPUT waveforms at the turn-on (stand-by out) with and without TURN-ON DI-
AGNOSTIC.
Fig B: SVR and Output behaviour
CASE 1: without turn-on diagnostic
FIG. C: SVR and Output pin behaviour
CASE 2: with turn-on diagnostic
12/17
I2CB DATA
I2CB DATA
Vsvr
Out
Vsvr
Out
Bias (power amp turn-on)
Diagnostic Enable
(Turn-on)
Isource
Isink
acquisition time (100mS Typ)
Bias (power amp turn-on)
Turn-on diagnostic
permitted time
Vs~5V
CH+
CH-
Turn-on Diagnostics data (output)
Diagnostic Enable
permitted time
(Permanent)
Isource
I (mA)
Isink
Permanent Diagnostics data (output)
acquisition time (100mS Typ)
FAULT
Read Data
event
Permanent diagnostic
permitted time
Measure time
~100mS
Diagnostic Enable
(Permanent)
Permanent Diagnostics data (output)
Permanent diagnostic
acquisition time (100mS Typ)
Read Data
permitted time
FAULT
event
t (ms)
t
t

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