TDA7375H ST Microelectronics, TDA7375H Datasheet

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TDA7375H

Manufacturer Part Number
TDA7375H
Description
2 x 35W DUAL/QUAD POWER AMPLIFIER FOR CAR RADIO
Manufacturer
ST Microelectronics
Datasheet

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Part Number:
TDA7375H
Manufacturer:
ST
0
Protections:
BLOCK DIAGRAM
September 1998
2 x 40W max./4
2 x 35W/4 EIAJ
2 x 35W/4 EIAJ
2
4
4
COUNT:
– NO BOOTSTRAP CAPACITORS
– NO BOUCHEROT CELLS
– INTERNALLY FIXED GAIN (26dB BTL)
– CLIPPING
– OUT TO GND SHORT
– OUT TO V
– SOFT SHORT AT TURN-ON
– THERMAL SHUTDOWN PROXIMITY
HIGH OUTPUT POWER CAPABILITY:
MINIMUM
ST-BY FUNCTION (CMOS COMPATIBLE)
NOAUDIBLE POPDURING ST-BYOPERATIONS
DIAGNOSTICS FACILITY FOR:
OUPUT AC/DC SHORT CIRCUIT
2 x 35W DUAL/QUAD POWER AMPLIFIER FOR CAR RADIO
x
x
x
7W/4 @14.4V, 1KHz, 10%
12W/2 @14.4V, 1KHz, 10%
25W/4 @14.4V, 1KHz, 10%
S
SHORT
EXTERNAL
COMPONENTS
– TO GND
– TO V
– ACROSS THE LOAD
SOFT SHORT AT TURN-ON
OVERRATING CHIP TEMPERATURE WITH
SOFT THERMAL LIMITER
LOAD DUMP VOLTAGE SURGE
VERY INDUCTIVE LOADS
FORTUITOUS OPEN GND
REVERSED BATTERY
ESD
MULTIWATT15V
TDA7375V
S
ORDERING NUMBERS:
DIAGNOSTICS
MULTIWATT15H
TDA7375
TDA7375H
1/15

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TDA7375H Summary of contents

Page 1

... THERMAL SHUTDOWN PROXIMITY Protections: OUPUT AC/DC SHORT CIRCUIT BLOCK DIAGRAM September 1998 TDA7375 MULTIWATT15V MULTIWATT15H ORDERING NUMBERS: TDA7375V TDA7375H – TO GND – – ACROSS THE LOAD SOFT SHORT AT TURN-ON OVERRATING CHIP TEMPERATURE WITH SOFT THERMAL LIMITER LOAD DUMP VOLTAGE SURGE VERY INDUCTIVE LOADS ...

Page 2

TDA7375 DESCRIPTION The TDA7375 is a new technology class AB car radio amplifier able to work either in DUAL BRIDGE or QUAD SINGLE ENDED configuration. The exclusive fully complementary structure of the output stage and the internally fixed gain guaran- ...

Page 3

ELECTRICAL CHARACTERISTICS (Refer to the test circuit unless otherwise specified amb Symbol Parameter V Supply Voltage Range S I Total Quiescent Drain Current d V Output Offset Voltage OS P Output Power O P Max. ...

Page 4

TDA7375 STANDARD TEST AND APPLICATION CIRCUIT Figure 1: Quad Stereo 10K R1 ST Note: C3 0.22 F C9, C10, C11, C12 could be ...

Page 5

Figure 4: P.C. Board and Component Layout of the fig.1 (1:1 scale). Figure 5: P.C. Board and Component Layout of the fig.2 (1:1 scale). TDA7375 5/15 ...

Page 6

TDA7375 Figure 6: Quiescent Drain Current vs. Supply Voltage (Single Ended and Bridge Figure 8: Output Power vs. Supply Voltage S. 1KHz Figure 10: Output Power ...

Page 7

Figure 12: Distortion vs. Output Power S. 14. 15KHz f = 1KHz Figure 14: Cross-talk vs. Frequency S. 14. Figure ...

Page 8

TDA7375 Figure 18: Total Power Dissipation and Effi- ciency vs. Output Power P tot S. 14. 1KHz 8/15 Figure 19: Total Power Dissipation and Effi- ciency vs. Output Power. ...

Page 9

High Application Flexibility The availability of 4 independent channels makes it possible to accomplish several kinds of applica- tions ranging from 4 speakers stereo (F/ speakers bridge solutions. In case of working in single ended conditions the polarity ...

Page 10

TDA7375 Reliable and safe operation, in presence of all kinds of short circuit involving the outputs is as- sured by BUILT-IN protectors. Additionally to the AC/DC short circuit to GND speaker, a SOFT SHORT condition is signalled out ...

Page 11

Figure 24: Fault Waveforms ST-BY PIN VOLTAGE 2V OUTPUT WAVEFORM Vpin 10 CHECK AT TURN-ON (TEST PHASE) TION As various kinds of information is available at the same pin (clipping detection, output fault, thermal proximity), this signal must be handled ...

Page 12

TDA7375 Normally the clip detector signalling produces a low level at pin 10 that is shorter than that present under faulty conditions; based on this assumption Figure 26. TDA7375 PCB-LAYOUT GROUNDING (general rules) The device has 2 distinct ground leads, ...

Page 13

DIM. MIN. TYP. MAX. MIN. TYP 2. 0.039 E 0.49 0.55 0.019 F 0.66 0.75 0.026 G 1.02 1.27 1.52 0.040 0.050 G1 17.53 17.78 18.03 0.690 0.700 H1 19.6 0.772 ...

Page 14

TDA7375 mm DIM. MIN. TYP. MAX. MIN 2.65 C 1.6 E 0.49 0.55 0.019 F 0.66 0.75 0.026 G 1.14 1.27 1.4 0.045 G1 17.57 17.78 17.91 0.692 H1 19.6 0.772 H2 20.2 L 20.57 L1 18.03 ...

Page 15

Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. ...

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