cs4412a Cirrus Logic, Inc., cs4412a Datasheet - Page 11

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

DS786A2
See
GND if VD = 3.3 V
+3.3 V or +5.0 V
Connect LVD to :
VD if VD = 5 V
Ch1_PWM
Ch2_PWM
Ch3_PWM
Ch4_PWM
System
for details.
Control
Section 5.1.1
Logic
VD
10 µF
VD
16.2 k
0.1 µF
10 µF
Ω
0.1 µF
41
45
43
44
42
46
11
21
1
2
3
9
8
4
5
6
7
Thermal Pad
CNFG0
CNFG1
CNFG2
ERROC12
ERROC34
ERRUVTE
TWR
RST12
RST34
VD_REG
IN1
IN2
IN3
IN4
LVD
RAMP
OCREF
Figure 3. 4 Channel Half-Bridge Typical Connection Diagram
22
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
OUT4
OUT2
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
0.1 µF
24
26
10
13
14
15
16
17
18
19
20
47
48
35
32
29
470 µF
See
See
See
See
Output Filter
Output Filter
Output Filter
Output Filter
Half-Bridge
Half-Bridge
Half-Bridge
Half-Bridge
33 nF
Figure
Figure
Figure
Figure
+8 V to +18 V
5.
5.
5.
5.
CS4412A
Channel 1
Channel 2
Channel 3
Channel 4
Output
Output
Output
Output
Audio
Audio
Audio
Audio
11