TDA7575 STMicroelectronics, TDA7575 Datasheet - Page 8

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
It is recommended to minimize the impedance on the board between OUT2 and the load in order to minimize
THD distortion. It is also recommended to control the maximum mismatch impedance between VCC pins
(PIN21/PIN22 respect to PIN33/PIN34) and between PWGND pins (PIN24/PIN25 respect to PIN30/PIN31),
mismatch that must not exceed a value of 20 mOhm.
With 1OHM feature settled the active input is IN2 (PIN17 and PIN18), therefore IN1 pins should be let floating.
It is possible to set the load capability acting on 1OHM pin as follows:
1OHM PIN (PIN15) < 1.5V: two channels mode (for a minimum load of 2 OHM)
1OHM PIN (PIN15) > 2.5V: one channel mode (for 1 OHM load).
IT IS TO REMEMBER THAT 1 0HM FUNCTION IS A HARDWARE SELECTION.
Therefore it is recommended to leave 1OHM PIN floating or shorted to GND to set the two channels mode con-
figuration, or to short 1OHM PIN to VCC to set the one channel (1OHM) configuration.
I
It is possible to disable the I
usual ST-BY and MUTE pins. In order to activate or deactivate this feature, I
I2C PIN (PIN16) < 1.5V: I
I2C PIN (PIN16) > 2.5V: I
It is also possible to let I
it.
In particular:
I
The amplifier can always be switched off by putting Vstby to 0V, but with I
through I
I
For both STD and HE MODE the play/mute mode can be set acting on Vmute pin.
8/17
2
2
2
C Abilitation Setting
C ENABLED: I
C DISABLED: I
– STD MODE: Vstby (PIN5) > 3.5V, IB2(D1)=0
– HE MODE: Vstby (PIN5) > 3.5V, IB2(D1)=1
– PLAY MODE: Vmute (pin 4) >3.5V, IB1 (D2) = 1
– STD MODE: 3.5V < stby (PIN5) < 5
– HE MODE: Vstby (PIN5) > 7V
– PLAY MODE: Vmute (pin 4) >3.5V
2
C (with Vstby>3.5V).
2
2
C pin (PIN16) > 2.5V
C pin (PIN16) < 1.5V
2
C PIN floating to deactivate the I
2
2
C bus interface deactivated
C bus interface activated
2
C interface by acting on I
2
C PIN (PIN16) and control the TDA7575 by means of the
2
C bus interface, or to short I
2
2
C enabled it can be turn on only
C PIN must be set as follows:
2
C PIN to VCC to activate

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