TDA7482 STMicroelectronics, TDA7482 Datasheet

IC AMP AUDIO 25W D MULTIWATT15

TDA7482

Manufacturer Part Number
TDA7482
Description
IC AMP AUDIO 25W D MULTIWATT15
Manufacturer
STMicroelectronics
Type
Class Dr
Datasheet

Specifications of TDA7482

Output Type
1-Channel (Mono)
Max Output Power X Channels @ Load
25W x 1 @ 8 Ohm
Voltage - Supply
±10 V ~ 25 V
Features
Mute, Short-Circuit and Thermal Protection, Standby
Mounting Type
Through Hole
Package / Case
Multiwatt-15 (Vertical, Bent and Staggered Leads)
Lead Free Status / RoHS Status
Contains lead / Request inventory verification
Other names
497-3984-5

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1
2
The TDA7482 is an audio class-D amplifier as-
Figure 2. Test and Application Circuit.
October 2004
25W OUTPUT POWER:
RL = 8 /4 ; THD = 10%
HIGH EFFICIENCY
WIDE SUPPLY VOLTAGE RANGE (UP TO
±25V)
SPLIT SUPPLY
OVERVOLTAGEPROTECTION
ST-BY AND MUTE FEATURES
SHORT CIRCUIT PROTECTION
THERMAL OVERLOAD PROTECTION
FEATURES
DESCRIPTION
ST-BY
IN1
MUTE
D96AU538C
C2 0.33 F
C4 4.7nF
10K
R2
2.2
C1
F
+5V
FEEDCAP
SGN-GND
10K
30K
1nF
R1
R3
ST-BY/
C3
270pF
MUTE
C8
IN1
10
9
5
7
6
(Pin 14,15)
N.C.
R4 12K
(R
FREQ
-VCC
4
F
)
+
C5 100nF
-
PRE
V
CC POW
25W MONO CLASS-D AMPLIFIER
13
8
-V
CC SIGN
+VCC
11
sembled in Multiwatt15 package specially de-
signed for high efficiency applications mainly for
TV and Home Stereo sets.
Figure 1. Package
Table 1. Order Codes
V
CC SIGN
100nF
PWM
+
C9
100nF
-
C6
14,15
Part Number
-V
TDA7482
CC POW
12
-VCC
3
1
2
BOOT
OUT
VREG
BOOTDIODE
2200 F
2200 F
C10
C7
Multiwatt15
100nF
560pF
150
C11
C12
R5
L1 60 H
470nF
100nF
C14
C15
TDA7482
Multiwatt15
Package
8
Rev. 4
1/7

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TDA7482 Summary of contents

Page 1

... THD = 10% HIGH EFFICIENCY WIDE SUPPLY VOLTAGE RANGE (UP TO ±25V) SPLIT SUPPLY OVERVOLTAGEPROTECTION ST-BY AND MUTE FEATURES SHORT CIRCUIT PROTECTION THERMAL OVERLOAD PROTECTION 2 DESCRIPTION The TDA7482 is an audio class-D amplifier as- Figure 2. Test and Application Circuit. +5V R1 10K R2 R3 10K 30K ST-BY MUTE ...

Page 2

... TDA7482 Table 2. Pin Description N° Pin 1 OUT PWM OUTPUT 2 BOOTDIODE BOOTSTRAP DIODE ANODE 3 BOOT BOOTSTRAP 4 NC NOT CONNECTED 5 FEEDCAP FEEDBACK INTEGRATING CAPACITOR 6 FREQ SETTING FREQUENCY RESISTOR 7 SGN-GND SIGNAL GROUND 8 –V SIGN SIGNAL NEGATIVE SUPPLY INPUT 10 ST-BY/MUTE CONTROL STATE PIN 11 +V SIGN ...

Page 3

... 43W THD 20 Curve f = 20Hz to 22KHz Protection f = 100Hz 0 considered = ±21V 25°‘C unless otherwise specified.) amb Min. Typ. Max –70 - 3.8 87 88.5 0.1 3.5 5 150 0.4 100 200 100 120 140 9 1.4x10 itself F TDA7482 Unit KHz KHz 0 3/7 ...

Page 4

... TDA7482 Figure 4. Recommended P.C. Board and Component Layout of the Circuit of Figure 2 Note: Capacitor C5 must be as close as possible to device’s pins 13 and 14 4/7 ...

Page 5

... Multiwatt15 (Vertical) 0.075 0.102 0.144 0.152 TDA7482 OUTLINE AND MECHANICAL DATA 0016036 J 5/7 ...

Page 6

... TDA7482 Table 1. Revision History Date Revision September 2003 October 2004 6/7 3 First Issue in EDOCS 4 Aligned the graphic style to be compliant with the new “Corporate Technical Pubblications Design Guide” Description of Changes ...

Page 7

... Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America All other names are the property of their respective owners © 2004 STMicroelectronics - All rights reserved STMicroelectronics group of companies www.st.com TDA7482 7/7 ...

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