
IC Data Sheets
8.
8.10 Diagram
10-6-11 Audio Out /Headphone Amplifier
B11, APA2172 (IC U608)
Figure 8-12 Internal block diagram and pin configuration
19361_301_121213.eps
121213
Block diagram
Pinning information
RINP 1
VSS 6
CPN 7
8 CPP
9 VDD
ROUT 3
GND 4
SDN 5
10 PGND
11 UVP
12 LOUT
13 LINN
14 LINP
RINN 2
APA2172
APA2 1 7 2
Circuit
Power
and
Depop
Circuit
ROUT
RINN
SDN
Charge
Pump
VDD
CPP
CPN
VSS
PGND
LOUT
RINP
LINP
LINN
Shutdown
Under Voltage
Detection Circuit
Thermal
and Over
Current
Protection
UVP
GND