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FS9721_LP1 датащи(PDF) 19 Page - Fortune Semiconductor Corp.

номер детали FS9721_LP1
подробное описание детали  4,000 counts auto range DMM IC
PDF  41 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_LP1 датащи(HTML) 19 Page - Fortune Semiconductor Corp.

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FS9721_LP1
Rev. 2.0
18/41
B. 78 PIN Dice IC
LCD
BP1
BEEPER
R5
100k
VDD
R11
100k
R10
40 k
VR2
10 k
R7
20 k
R8
10k
R9
90k
J2
Temp
J1
Temp
VR3
20 k
VR1
2k
R6
28 .5k
D1
1N91 4
D2
1N914
R15
10 0K
μA/mA
COM
10A
V/Ohm/Diode/Cap
J4
DCmV
J3
AMP
R16
9.99
R17
99 0
J11
μA
J1 0
mA
J5
DCV
J6
Ohm
J7
Hz
J8
hFE
J9
Hz
C6
27 nF
S6
MEA1
S7
MEA2
S8
MEA3
S9
MEA4
S2
HZ/DUTY
S3
HOLD
S4
REL
S5
RANGE
S1 0
SELECT
S1 1
BLCTR
S1
BT1
3V
R1
1M
XTAL
4M Hz
R3
82 k
ADP
hFE Input 4 00 .0mV
PTC
1k
C10
27 nF
C12
27 nF
Ohm
Cap
Diod e
C4
10nF
S1 2
R30
10 0k
S1 3
CAP
J1 2
Q1
90 13
18
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
D3
D4
4.5V
F2
0.5A/25 0V
F1
10 A/ 250V
Q2
90 13
Cap
Diode
ACV
C11
0.47μF
+
C9
0.47μF
C5
4.7μF
+
C1
10 μF
+
C2
10 μF
C3
10μF
C8
10μF
BLOUT
ADP2
C16
0. 1μF
D5
1N41 48
VDD
C15
10 μF
J1 3
mV
SELECT
23
RANGE
24
REL
25
HOLD
26
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
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-LP1
IC
Hz
Ohm
Cap
Diode
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 Circuit Diagram



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