TDA7575PDTR STMicroelectronics, TDA7575PDTR Datasheet - Page 15

• Manufacturer Part Number: TDA7575PDTR
• Description: IC AMP AUDIO PWR 150W POWERSO37
• Manufacturer: STMicroelectronics
• Type: Class ABr

Specifications of TDA7575PDTR

• 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: Surface Mount
• Package / Case: PowerSO-36 Exposed Top Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3990-2

DOCUMENT CD00003142
Copyright STMicroelectronics
Examples of bytes sequence
1 - Turn-On diagnostic - Write operation
2 - Turn-On diagnostic - Read operation
The delay from 1 to 2 can be selected by software, starting from T.B.D. ms
3a - Turn-On of the power amplifier with mute on, diagnostic defeat.
3b - Turn-Off of the power amplifier
4 - Offset detection procedure enable
5 - Offset detection procedure stop and reading operation (the results are valid only for the offset detection bits
■
■
DIAGNOSTICS FUNCTIONAL DESCRIPTION:
a) TURN-ON DIAGNOSTIC.
It is activated at the turn-on (stand-by out) under I
To verify if any of the above misconnections are in place, a subsonic (inaudible) current pulse (fig. A) is internally
generated, sent through the speaker(s) and sunk back.The Turn On diagnostic status is internally stored until a
successive diagnostic pulse is requested (after a I2C reading).
If the "stand-by out" and "diag. enable" commands are both given through a single programming step, the pulse
takes place first (power stage still in stand-by mode, low, outputs= high impedance).
Start
Start
Start
Start
Start
The purpose of this test is to check if a D.C. offset (2V typ.) is present on the outputs, produced by input
capacitor with anomalous leackage current or humidity between pins.
The delay from 4 to 5 can be selected by software, starting from T.B.D. ms
– SHORT TO GND
– SHORT TO Vs
– SHORT ACROSS THE SPEAKER
– OPEN SPEAKER
Start
(D2 of the bytes DB1, DB2, DB3, DB4).
Address byte with D0 = 0
Address byte with D0 = 1
Address byte with D0 = 0
Address byte with D0 = 0
Address byte with D0 = 0
Address byte with D0 = 1
REVISION 3.0
COMPANY INTERNAL
2
C bus request. Detectable output faults are:
ACTIVE
ACK
ACK
ACK
ACK
ACK
ACK
X0XXXXXX
X000XXXX
XX1XX1XX
IB1 with D6 = 1
IB1
IB1
IB1
DB1
DB1
ACK
ACK
ACK
ACK
ACK
Unauthorized reproduction and communication strictly prohibited
ACK
XXX1XXXX
XXX1XX1X
XXX0XXXX
DB2
DB2
IB2
DATE 22-Mar-2004
IB2
IB2
IB2
ACK
ACK
TDA7575PD
ACK
ACK
ACK
ACK
STOP
STOP
STOP
STOP
STOP
STOP
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