TDA75610SEP-HLX Просмотр технического описания (PDF) - STMicroelectronics

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TDA75610SEP-HLX

4 x 45 W power amplifier with full I2C diagnostics, high efficiency and low voltage operation

STMicroelectronics 

TDA75610SEP

List of figures

List of figures

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Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Application circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Pin connection diagram (top of view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Quiescent current vs. supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Output power vs. supply voltage (4 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Output power vs. supply voltage (2 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Distortion vs. output power (4 , STD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Distortion vs. output power (4 , HI-EFF). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Distortion vs. output power (2 , STD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Distortion vs. output power (2 , HI-EFF). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Distortion vs. output power Vs = 6 V (4 , STD). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Distortion vs. frequency (4 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Distortion vs. frequency (2 ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Crosstalk vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Supply voltage rejection vs. frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Power dissipation vs. average output power (audio program simulation, 4 ). . . . . . . . . . 16

Power dissipation vs. average output power (audio program simulation, 2 ). . . . . . . . . . 16

Total power dissipation and efficiency vs. output power (4 , HI-EFF, Sine) . . . . . . . . . . . 16

Total power dissipation and efficiency vs. output power (4 , STD, Sine) . . . . . . . . . . . . . 16

ITU R-ARM frequency response, weighting filter for transient pop. . . . . . . . . . . . . . . . . . . 16

Turn-on diagnostic: working principle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

SVR and output behavior (Case 1: without turn-on diagnostic) . . . . . . . . . . . . . . . . . . . . . 17

SVR and output pin behavior (Case 2: with turn-on diagnostic) . . . . . . . . . . . . . . . . . . . . . 18

Short circuit detection thresholds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Load detection thresholds - high gain setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Load detection threshold - low gain setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Restart timing without diagnostic enable (permanent) - Each 1 mS time,

a sampling of the fault is done . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Restart timing with diagnostic enable (permanent). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Current detection high: load impedance |Z| vs. output peak voltage . . . . . . . . . . . . . . . . . 21

Current detection low: load impedance |Z| vs. output peak voltage . . . . . . . . . . . . . . . . . . 21

Thermal foldback diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Worst case battery cranking curve sample 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Worst case battery cranking curve sample 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Upwards fast battery transitions diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Inputs impedance matching circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

High efficiency - basic structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Data validity on the I2C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Timing diagram on the I2C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Acknowledge on the I2C bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Flexiwatt27 (vertical exp. pad) mechanical data and package dimensions . . . . . . . . . . . . 37

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