cs4412a Cirrus Logic, Inc., cs4412a Datasheet - Page 9

• Manufacturer Part Number: cs4412a
• Description: 30w Quad Half-bridge Digital Amplifier Power Stage
• Manufacturer: Cirrus Logic, Inc.

DS786A2
3. TYPICAL CONNECTION DIAGRAMS
See
GND if VD = 3.3 V
Connect LVD to :
VD if VD = 5 V
+3.3 V or +5.0 V
Ch1_PWM
Ch2_PWM
System
Control
for details.
Logic
Section 5.1.1
VD
10 µF
VD
16.2 k
0.1 µF
Ω
10 µF
0.1 µF
45
43
44
42
41
46
11
21
8
4
5
6
7
1
2
3
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Thermal Pad
ERRUVTE
TWR
RST12
RST34
IN2
IN3
CNFG0
CNFG1
CNFG2
LVD
RAMP
ERROC12
ERROC34
VD_REG
IN1
IN4
OCREF
22
Figure 1. Stereo Full-Bridge Typical Connection Diagram
12
23
27
470 µF
28
25
CS4412A
33
0.1 µF
34
30
0.1 µF
37
38
31
0.1 µF
39
RAMP_CAP
36
40
OUT1
OUT3
OUT2
OUT4
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
0.1 µF
14
15
16
17
18
24
35
29
10
13
19
20
47
32
26
48
470 µF
See
*
See
Output Filter
Output Filter
Full-Bridge
Full-Bridge
can be omitted and RAMP_CAP can
* Since ramping is disabled for full-
bridge applications, this capacitor
Figure
Figure
See
be connected directly to VP.
+8 V to +18 V
Section 4.2.1
6.
6.
for details.
CS4412A
Channel 1
Channel 2
Output
Output
Audio
Audio
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