K850
1203-2528 rev. 1
APPENDIX
Components N2525 - N3100 - N3101
A
P
P
E
NDIX
Block Diagram
CHARGE
AMPLIFIER
MUX
Y+
Z+
Y-
Z-
a
X+
X-
I
2
C
SPI
CS
SCL/SPC
SDA/SDO/SDI
SDO
CONTROL LOGIC
&
INTERRUPT GEN.
INT 1
CLOCK
TRIMMING
CIRCUITS
REFERENCE
SELF TEST
CONTROL LOGIC
A/D
CONVERTER
INT 2
Pin Connection
1
8
3
1
6
1
BOTTOM VIEW
13
8
6
TOP VIEW
X
Z
Y
Pin description
n
o
i
t
c
n
u
F
e
m
a
N
#
n
i
P
1
Vdd_IO
Power supply for I/O pins
2
GND
0V supply
3
Reserved
Connect to Vdd
4
GND
0V supply
5
GND
0V supply
6
Vdd
Power supply
7
CS
SPI enable
I
2
C/SPI mode selection (1: I
2
C mode; 0: SPI
enabled)
8
INT 1
Inertial interrupt 1
9
INT 2
Inertial interrupt 2
10
GND
0V supply
11
Reserved
Connect to Gnd
12
SDO
SPI Serial Data Output
I
2
C less signi
fi
cant bit of the device address
13
SDA
SDI
SDO
I
2
C Serial Data (SDA)
SPI Serial Data Input (SDI)
3-wire Interface Serial Data Output (SDO)
14
SCL
SPC
I
2
C Serial Clock (SCL)
SPI Serial Port Clock (SPC)
PIN CONNECTIONS
A3
B3
C3
A2
B2
C2
A1
B1
C1
INM
OUTA
INP
VM_P
VM
V
p
BYPASS OUTB SHUTDOWN
Microbump-9
(Top View)
Microbump-9
FC SUFFIX
CASE 499E
MARKING
DIAGRAMS
1
MAA
YYWW
A1
PIN DESCRIPTION
Microbump-9
Micro8
Type
Symbol
Description
A1
4
I
INM
Negative input of the first amplifier, receives the audio input signal. Connected
to the feedback resistor Rf and to the input resistor Rin.
A2
5
O
OUTA
Negative output of the NCP2890. Connected to the load and to the feedback
resistor Rf.
A3
3
I
INP
Positive input of the first amplifier, receives the common mode voltage.
B1
NA
I
VM_P
Power Analog Ground.
B2
7
I
VM
Core Analog Ground.
B3
6
I
V
p
Positive analog supply of the cell. Range: 2.5 V-5.5 V.
C1
2
I
BYPASS
Bypass capacitor pin which provides the common mode voltage (Vp/2).
C2
8
O
OUTB
Positive output of the NCP2890. Connected to the load.
C3
1
I
SHUTDOWN
The device enters in shutdown mode when a low level is applied on this pin.
Pin configuration (Bump side)
1
2
3
4
5
A
B
C
D
VMIC
SPRi
SPLi
MIC
Ni
MIC
Pi
INT
mice
Gnd
INT
mici
CCO
VAD
Gnd
Gnd
Gnd
Gnd
Gnd
SPR
e
SPL
e
MIC
Ne
MIC
Pe
SPR
EF
1
2
3
4
1
5
2
3
4
5
A
B
C
D
A
B
C
D
VMIC
SPRi
SPLi
MIC
Ni
MIC
Pi
INT
mice
Gnd
INT
mici
CCO
VAD
Gnd
Gnd
Gnd
Gnd
Gnd
SPR
e
SPL
e
MIC
Ne
MIC
Pe
SPR
EF
Electrical diagram
SPRi
SPLi
MICPe
GND
SPRe
SPREF
MICPi
MICNi
CCO/VMIC
VAD
MICNe
INTmici
SPLe
GND
CCO/VMIC
INTmice
R1
R7
R8
R6
R4
R5
R3
R2
SPRi
SPLi
MICPe
GND
SPRe
SPREF
MICPi
MICNi
CCO/VMIC
VAD
MICNe
INTmici
SPLe
GND
CCO/VMIC
INTmice
R1
R7
R8
R6
R4
R5
R3
R2
N2525 ASIC 3-axis Accelerometer 1200-1223
N3100 OPAMP 1W Pb-Free RYT101947/2
N3101 ASIC Tjatte 3 CSP20 ROP1013074/1
SEMC Troubleshooting Manual
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