C702
1221-7857 rev. 1
APPENDIX
Components - N2205, N2402, N3100
A
P
P
E
NDIX
N2205 DC/DC Converter RYT 1137838/1
PIN CONNECTIONS
IN
GND
FLAG
EN
OUT
OUT
1
2
3
6
5
4
N2402 IC ESD Prot UDFN 6 2x2 mm 1200-6309
PIN CONNECTIONS
A3
B3
C3
A2
B2
C2
A1
B1
C1
INM
OUTA
INP
VM_P
VM
V
p
BYPASS OUTB SHUTDOWN
9
−
Pin Flip
−
Chip CSP
(Top View)
PIN DESCRIPTION
Pin
Type
Symbol
Description
A1
I
INM
Negative input of the first amplifier, receives the audio input signal. Connected to the
feedback resistor R
f
and to the input resistor R
in
.
A2
O
OUTA
Negative output of the NCP2892. Connected to the load and to the feedback resistor Rf.
A3
I
INP
Positive input of the first amplifier, receives the common mode voltage.
B1
I
VM_P
Power Analog Ground.
B2
I
VM
Core Analog Ground.
B3
I
V
p
Positive analog supply of the cell. Range: 2.2 V
−
5.5 V.
C1
I
BYPASS
Bypass capacitor pin which provides the common mode voltage (Vp/2).
C2
O
OUTB
Positive output of the NCP2892. Connected to the load.
C3
I
SHUTDOWN
The device enters in shutdown mode when a low level is applied on this pin.
N3100 Audio PA RYT1017841/2
SEMC Troubleshooting Manual
101
(115)
Summary of Contents for C702
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