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FS9721_LP3 датащи(PDF) 17 Page - Fortune Semiconductor Corp.

номер детали FS9721_LP3
подробное описание детали  4,000 counts auto range DMM IC
PDF  39 Pages
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производитель  FORTUNE [Fortune Semiconductor Corp.]
домашняя страница  https://www.ic-fortune.com/eng/index.asp
Logo FORTUNE - Fortune Semiconductor Corp.

FS9721_LP3 датащи(HTML) 17 Page - Fortune Semiconductor Corp.

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FS9721_LP3
Rev. 2.1
17/39
B.78 Pin Dice IC
LCD
BP1
BEEPER
R1
10 0k
VDD
R10
100k
R8
40 k
VR1
10 k
R6
20k
R7
10 k
R9
90 k
VR2
2k
R13
28 .5k
R12
22 k
R14
22k
D1
1N914
D2
1N914
R15
100k
V/Ohm/Diode/Cap
R19
90 0k
J3
DCmV
J4
DCV/ACV
J5
Ohm
J6
Hz
J8
Hz
R29
1M
S5
HZ/DUTY
S6
HOLD/BLCTR
S7
REL
S8
RANGE
S9
SELECT
S1
BT1
3V
R2
1M
XTAL
4M Hz
R4
82k
ADP
PTC
1k
C9
27 nF
C12
27 nF
Ohm
Cap
Diode
C6
10 nF
S2
RESET
R27
10 0k
C14
47nF
D3
R30
1k
VDD
D4
S3
S4
S10
S11
S12
S13
S15
S1 6
C7
27 nF
S1 4
RS23 2
μA/mA
COM
10A
J2
AMP
R16
9.99
R17
99 0
R28
0. 01
J7
μA
J1
mA
F1
10 A/ 250 V
F2
0. 5A/25 0V
D5
D6
4.5V
J9
Q1
90 13
Q2
9013
Cap
Diod e
C10
0.47μF
C8
0.47μF
+
C1
10μF
+
C3
10 μF
C2
10 μF
C4
10 μF
C5
10μF
C11
4.7μF
ADP2
BLOUT
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
C15
10μF
C16
0.1μF
D7
1N4148
VDD
SELECT
23
RANGE
24
REL
25
HZ/DUTY
27
CAP
28
MEA4
29
MEA3
30
MEA2
31
MEA1
32
LCDC1
33
LCDC2
34
TSTA
35
VSS
36
AGND
37
VDD
38
HOLD
26
VB
39
COM1
62
COM2
63
COM3
64
COM4
65
ENTX
66
BEEPER
67
BLOUT
68
RST
69
REFI
70
REFO
71
FTA
72
FTB
73
FTC
74
TSTC
75
OP1N
76
OP1O
77
OP2P
78
FS9721-LP3
IC
Cap
Diode
Hz
Ohm
VSS
VDD
VGG
VDDA
AGND
Battery Negative Terminal and IC Negative Power Input
IC Analog Power about 3.9V
Battery Positive Terminal and IC Positive Power Input
Analog Common about VDD/2
VDD Charge Pump voltage about 2*VDD
Diagram 7
78 PIN Common Use Circuitry



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