鈻?/div>
bridge (Binary mode) with half current capability.
The device is particularly designed to make the out-
put stage of a stereo All-Digital High Efficiency
(DDX鈩? amplifier capable to deliver 60 + 60W @
THD = 10% at V
cc
32V output power on 8鈩?load and
80W @ THD = 10% at V
CC
36V on 8鈩?load in single
BTL configuration. In single BTL configuration is also
capable to deliver a peak of 120W @THD = 10% at
V
CC
= 32V on 4鈩?load. The input pins have threshold
proportional to V
L
pin voltage.
2
DESCRIPTION
STA506A is a monolithic quad half bridge stage in
Multipower BCD Technology.
The device can be used as dual bridge or reconfig-
ured, by connecting CONFIG pin to Vdd pin, as single
bridge with double current capability, and as half
Figure 2. Application Circuit (Dual BTL)
V
CC
1A
IN1A
IN1A
+3.3V
V
L
CONFIG
PWRDN
R57
10K
R59
10K
C58
100nF
TH_WAR
IN1B
V
DD
V
DD
V
SS
V
SS
C58
100nF
C53
100nF
C60
100nF
IN2A
V
CC
SIGN
V
CC
SIGN
IN2A
GND-Reg
GND-Clean
21
22
33
34
M17
35
8
9
36
31
20
19
M16
M15
REGULATORS
7
V
CC
2A
C32
1碌F
OUT2A
OUT2A
6
GND2A
PWRDN
FAULT
23
24
25
27
26
TRI-STATE
PROTECTIONS
&
LOGIC
M5
28
30
M4
13
M2
29
M3
15
17
16
C30
1碌F
OUT1A
OUT1A
14
GND1A
C52
330pF
+V
CC
C55
1000碌F
L18 22碌H
C20
100nF
R98
6
C99
100nF
C23
470nF
C101
100nF
8鈩?/div>
12
V
CC
1B
C31
1碌F
OUT1B
OUT1B
GND1B
R63
20
R100
6
C21
100nF
L19 22碌H
11
10
TH_WAR
IN1B
L113 22碌H
C110
100nF
C109
330pF R103
6
R104
20
C107
100nF
C108
470nF
C106
100nF
8鈩?/div>
4
V
CC
2B
C33
1碌F
OUT2B
OUT2B
R102
6
C111
100nF
3
2
IN2B
IN2B
GNDSUB
32
M14
L112 22碌H
1
5
GND2B
D00AU1148B
November 2004
This is preliminary information on a new product now in development. Details are subject to change without notice.
REV. 2
1/14
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