DA7202 10 W mono class D amplifier for 2S systems
UM-DA7202 evaluation board
Table 1: Connector summary
Connector
Functionality
Description
J1
Internal VLDO monitoring
VLDO (No external connection needed)
Pin 1 = GND
Pin 2 = LDO output
J2
VPWR external power
supply connection
VPWR
Pin 1 = 0 V/GND
Pin 2 = +4.5 V to +10.0 V
J3
AUDIO IN
Differential line input via 3-pole, 3.5 mm jack socket
Ring = IN+
Tip = IN-
Sleeve = GND
J4
AUDIO IN (optional input)
Differential line input connection points accessible via the
underside of the board or by removing J3
Pin 1 = 0 V/GND
Pin 2 = IN+
Pin 3 = IN-
J5
AUDIO OUT
Class D output
Pin 1 = OUT+
Pin 2 = OUT-
J6
PDN_N external power
supply connection
PDN_N
Pin 1 = GND
Pin 2 = +1.3 V to +5.5 V
J7
PDN_N status select
Open = DA7202 Power Up (weak pull up to voltage on J6)
(Default)
Short = DA7202 Power Down
TP1 – TP3
Ground reference points
Ground
User Manual
Revision 2.0
28-Mar-16
CFR0012
6 of 12
© 2016 Dialog Semiconductor
