TDA7480 Datasheet, PDF (2/10 Pages) STMicroelectronics – 10W MONO CLASS-D AMPLIFIER

TDA7480
ABSOLUTE MAXIMUM RATINGS
Symbol
VCC
T_stg, T_j
V_FREQ
Top
ESD
Parameter
DC Supply Voltage
Storage and Junction Temperature
Maximum Voltage Across VFREQ (Pin 9)
Operating Temperature Range
Maximum ESD on Pins
Value
Unit
±20
V
–40 to 150
°C
8
V
-20 to 70
°C
±1.8
kV
PIN CONNECTION (Top view)
-V_CC
-V_CC
-V_CC
OUT
BOOTDIODE
BOOT
N.C.
FEEDCAP
FREQ
SGN-GND
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
D96AU537B
-V_CC
-V_CC
-V_CC
-V_CC
+V_{CC POW}
VREG
+V_{CC SIGN}
N.C.
STBY/MUTE
IN
Rth with "on board" Square Heatsink vs. cop-
per area.
R_thj-a
(˚C/W)
D97AU675
COPPER AREA 35µ
THICKNESS
60
50
PC BOARD
40
30
0
4
8
12 Area(cm²)
THERMAL DATA
Symbol
R_{th j-amb}
R_{th j-pin}
Parameter
Thermal Resistance Junction to ambient
Thermal Resistance Junction to Pin
Max.
Value
80
12
Unit
°C/W
°C/W
PIN FUNCTIONS
N.
Name
Function
1
-V_CC
NEGATIVE SUPPLY.
2
-V_CC
NEGATIVE SUPPLY.
3
-V_CC
NEGATIVE SUPPLY.
4
OUT
PWM OUTPUT
5
BOOTDIODE BOOTSTRAP DIODE ANODE
6
BOOT
BOOTSTRAP CAPACITOR
7
NC
NOT CONNECTED
8
FEEDCAP FEEDBACK INTEGRATING CAPACITANCE
9
FREQUENCY SETTING FREQUENCY RESISTOR
10
SGN-GND SIGNAL GROUND
11
IN
INPUT
12 ST-BY-MUTE ST-BY/ MUTE CONTROL PIN
13
NC
NOT CONNECTED
14
+VCC SIGN POSITIVE SIGNAL SUPPLY
15
VREG
10V INTERNAL REGULATOR
16
+V_CC POW POSITIVE POWER SUPPLY
17
-V_CC
NEGATIVE SUPPLY (TO BE CONNECTED TO PIN 16 VIA C5)
18
-V_CC
NEGATIVE SUPPLY
19
-V_CC
NEGATIVE SUPPLY
20
-V_CC
NEGATIVE SUPPLY
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