CS3511_0912 Datasheet, PDF (11/26 Pages) Cirrus Logic – Stereo 10 W High-efficiency Class-D Audio Power Amplifier

3. TYPICAL CONNECTION DIAGRAMS
CS3511
System
Control
Logic
Differential
Analog Inputs
Note(R1=R2)
Differential
Analog Inputs
Note(R3=R4)
R1 ^{1.0 µf}
R2 ^{1.0 µf}
R3 ^{1.0 µf}
R4 ^{1.0 µf}
1 µf 10 µf ₊ 10 µf ₊ 1 µf
3 GAIN0
22 GAIN1
7 MUTE
6 SLEEP
8 STATUS
27 AGND
1 IN1+
CS3511
32 IN1-
24 IN2+
25 IN2-
28 V5A
31 C1
26 C2
29 BIASCAP
VP ¹⁰
0.1 µf
VP
+
220uF
OUT1+ ⁹
OUT1- ¹²
PGND ¹¹
Full-Bridge
Output Filter
Channel 1
Audio Output
(Note 1)
R_L
6 Ω to 8 Ω
VP
30 AGND
(Note 2)
18 CPUMP
1.0 µf
VP
0.1 µf
19 DCAP
20 VP
0.1 µf
21
0.1 µf
23
5VGEN
AGND
2 V5D
5 REF
1 µf
20 KΩ
1%
4 DGND
VP ¹⁵
0.1 µf
+
220 uF
OUT2+ ¹⁶
OUT2- ¹³
PGND 14
Full-Bridge
Output Filter
Channel 2
Audio Output
(Note 1)
R_L
6 Ω to 8 Ω
PGND 17
1. See Section 4.11 for typical full-bridge output filter.
2. Incorrectly connecting the external charge pump circuitry can result in permanent damage to the device.
Figure 1. Typical Connection Diagram - Stereo Amplifier with Differential Inputs
DS845F1
11