STA502
40V 4A DOUBLE POWER HALF BRIDGE
s
MINIMUM INPUT OUTPUT PULSE WIDTH
DISTORTION
200m鈩?R
dsON
COMPLEMENTARY DMOS
OUTPUT STAGE
CMOS COMPATIBLE LOGIC INPUTS
THERMAL PROTECTION
THERMAL WARNING OUTPUT
UNDER VOLTAGE PROTECTION
MULTIPOWER BCD TECHNOLOGY
s
s
s
s
s
PowerSO36
ORDERING NUMBER: STA502
DESCRIPTION
STA502 is a monolithic dual half bridge stage in Mul-
tipower BCD Technology.
The device is particularly designed to make the out-
put stage of a mono All-Digital High Efficiency
AUDIO APPLICATION CIRCUIT
+V
CC
C30
1碌F
GND
V
CC
B
GND
GND
GND
C31
1碌F
C55
1000碌F
(DDX鈩? amplifier capable to deliver 60W @ THD =
10% at V
cc
32V output power on 8鈩?load. The input
pins have threshold proportional to Ibias pin voltage.
+3.3V
IBIAS
CONFIG
PWRDN
R57
10K
R59
10K
C58
100nF
PWRDN
FAULT
23
24
25
27
26
PROTECTIONS
&
LOGIC
15
V
CC
14
12
TRI-STATE
13
29
30
16
REGULATORS
17
7
M17
TH_WAR
TH_WAR
V
DD
V
DD
V
SS
V
SS
28
21
22
33
34
N.C.
N.C.
V
CC
A
C32
1碌F
OUTA
OUTA
C58
100nF
C53
100nF
C60
100nF
INA
V
CC
SIGN
V
CC
SIGN
INA
GND-Reg
GND-Clean
INB
35
8
9
L113 22碌H
C110
100nF
C109
330pF R103
6
R104
20
C107
100nF
C108
470nF
C106
100nF
36
31
20
19
M15
6
GNDA
4
M16
V
CC
B
C33
1碌F
OUTB
OUTB
R102
6
C111
100nF
3
2
INB
GNDSUB
N.C.
N.C.
32
1
10
11
M14
L112 22碌H
5
GNDB
D02AU1447
September 2003
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