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FS9922-DMM3 Fiches technique(PDF) 7 Page - Fortune Semiconductor Corp.

No de pièce FS9922-DMM3
Description  Integrated Circuits of 4,000 Counts
PDF  35 Pages
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Fabricant  FORTUNE [Fortune Semiconductor Corp.]
Site Internet  https://www.ic-fortune.com/eng/index.asp
Logo FORTUNE - Fortune Semiconductor Corp.

FS9922-DMM3 Fiches technique(HTML) 7 Page - Fortune Semiconductor Corp.

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FS9922-DMM3
Rev. 1.1
7/35
6.
Pin Assignment
NC
31
NC
32
NC
33
NC
34
NC
35
SEG27
36
SEG26
37
SEG25
38
SEG24
39
SEG23
40
SEG22
41
SEG21
42
SEG20
43
SEG19
44
SEG18
45
SEG17
46
SEG16
47
SEG15
48
SEG14
49
SEG13
50
NC
81
NC
82
NC
83
RST
84
PWDT
85
XOUT1
86
XIN1
87
MEA4
88
MEA3
89
MEA2
90
MEA1
91
TXD
92
MEA5
93
TXEN
94
INT
95
VSS
96
NC
97
OP1N
98
OP1O
99
OP2O
100
FS9922-DMM3
7.
Pin Description
No.
Name
In/
Out
Description
No.
Name
In/
Out
Description
1
OP2N
I
OPAMP 1 Negative Input
68
VDDA
I/O
Regulated Power Output
2
OP2P
I
OPAMP 1 Positive Input
69
VGG
I/O
Charge Pump Voltage
Output
3
REFO
O
Band gap Referenced Output
70
CA
I/O
Charge Pump Capacitor
Positive Connection
4
REFI
I
ADC Referenced Voltage Input
71
CB
I/O
Charge Pump Capacitor
Negative Connection
5
FTC2
I/O
ADC2 Pre-Filter Capacitor Connection
72
VDD
I
Positive Power Supply
6
FTB2
I/O
ADC2 Pre-Filter Capacitor Connection
73
Buzzer
I/O
Buzzer Driver Output
7
FTC1
I/O
ADC1 Pre-Filter Capacitor Connection
74
LBOUT
I/O
Backlight Driver Output
8
FTB1
I/O
ADC1 Pre-Filter Capacitor Connection
75
MAX/MI
N
I/O
Max/Min Data Hold
9
ADP2
I
Low
Power
Test
Input
(shall
be
connected to VDD when power supply is
by 3V.)
76
HZ/DUT
Y
I/O
Frequency/Duty
Cycle
Select
10
ADP
I
Extra ADC Positive Input
77
REL/
RS232
I/O
Relative
Value
Measurement /
RS232 Control
11
AD1P
I
ADC
Positive
input
of
AC
voltage
measurement
78
HOLD/
LIGHT
I/O
Reading Hold /
Backlight Output Control
12
AD1N
I
ADC Negative input of AC measurement
79
RANGE
I/O
Auto/Manual
Mode
Switch Select
13
SGND
I
ADC Negative input of analog ground
80
SELECT
I/O
Measurement
Function
Select
14
SA
I
ADC Input of Current measurement /mV
High
impedance
input
/Input
of
Temperature & hFE Measurement
81~83
NC
O
No use



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