參數(shù)資料
型號(hào): LM12454
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: ADC
英文描述: 12-Bit Sign Data Acquisition System with Self-Calibration
中文描述: 12-BIT SUCCESSIVE APPROXIMATION ADC, PARALLEL ACCESS, PQCC44
文件頁數(shù): 73/103頁
文件大小: 1355K
代理商: LM12454
grifo
ITALIAN TECHNOLOGY
Pagina A-2
GPC
150 Rel. 3.00
F
IGURA
A2: S
CHEMA
ELETTRICO
KD
X
X
24
A
A
B
B
C
C
1
1
2
2
3
3
4
4
5
5
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Title:
Date:
Page :
of
Rel.
22-07-1998
LCD20x2 LCD20x4 Futaba VFD
R1= 0
N.M. N.M.
R2= N.M. N.M. N.M.
R3= 18
12
N.M.
R4= 18
12
N.M.
R5= N.M. N.M. N.M.
R6= 470
R7= 470
R8= 470
R9= 470
RR1= 22K
9+1 SIP
RR2= 22K
9+1 SIP
RV1= 10K
trimmer
C1= 100nF
C2= 22
μ
F 6,3V Tantalium
C3= 100nF
C4= 100nF
C5= 22
μ
F 6,3V Tantalium
CN1= 2 pins mini male connector
CN2= 10 pins male strip
CN3= 20 pins male low profile c connector
CN4= LCD L214 (20x4)
CN5= Futaba VFD20x2
CN6= LCD L2012 (20x2)
IC1= 7407
J1= 2 pins female jumper
+VLED
VFD FUTABA
CN5
I/O 20 pins
CN3
1
1
1.2
External Keyboard
4x6
CR
LCD 20x2
CN6
LCD 20x4
PA.7
PA.6
PA.5
PA.4
PA.3
PA.2
PA.1
PA.0
PC.2
PC.1
PC.0
PC.3
PC.4
+5V
GND
N.C.
N.C.
PC.5
PC.6
PC.7
G
K
7
4
1
A
L
H
2
5
8
0
M
I
3
6
9
N
J
C
D
E
F
KDL/F-2/424
7
8
5
6
3
4
1
2
RR1
1
3
5
7
9
1 1
1 3
1 5
1 3
1 2
1 1
1 0
9
8
7
1 3
1 6
1 5
1 4
1 1
1 8
1 7
1 2
9
1 0
1 8
6
5
4
6
5
4
1 7
2 0
1 6
1 4
1 0
1 2
4
6
2
8
2
1
1 6
3
2
1
1 6
1 5
1 5
3
J1
C1
C4
+
C5
R1
R2
R3
R4
R5
RV1
RR2
+
C2
R6
R7
R9
R8
4
CN2
3
2
1
8
7
6
5
9
1 0
C3
+5V
+5V
+5V
+5V
1 9
2 0
+5V
1
2
CN1
7407
5
2
4
6
8
1 0
1 2
1
3
9
1 1
1 3
1 4
7
IC1
1 4
1 3
1 2
1 1
1 0
9
8
7
1 4
CN4
RR2
/BUSY
E
R/W
RS
E
R/W
RS
GND
+5V
Contrast
/SEL
/WR
TEST
D6
D5
D4
D3
D2
D6
D5
D4
D3
D2
D5
D4
D3
D1
D0
D1
D1
D0
D0
D7
D7
D2
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LM12458 制造商:NSC 制造商全稱:National Semiconductor 功能描述:12-Bit Sign Data Acquisition System with Self-Calibration
LM12458A WAF 制造商:Texas Instruments 功能描述: