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): 74/103頁
文件大小: 1355K
代理商: LM12454
ITALIAN TECHNOLOGY
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Pagina A-3
GPC
150 Rel. 3.00
F
IGURA
A3: S
CHEMA
ELETTRICO
QTP 16P
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Title:
Date:
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1 2 3 4 5 6 7 8
1 2 3 A
4 5 6 B
7 8 9 C
* 0 # D
1 2 3 4
5
6
7
8
1.2
Standard I/O 20 pin connector
DISPLAY 4x20
DISPLAY 2x20
CN1
Keyboard connector
DC Power supply
AC Power supply
OPTIONAL
Matrix
Keyboard
4x4
*
7
#
A
2
8
1
B
3
9
5
C
4
0
D
6
PA.7
PA.6
PA.5
PA.4
PA.3
PA.2
PA.1
PA.0
PC.2
PC.1
PC.0
PC.3
+5V
GND
N.C.
N.C.
PC.4
PC.5
PC.6
PC.7
QTP 16P
1
22-07-1998
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C1
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R6
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CN3
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C5
+5V
+5V
+5V
1 9
2 0
+5V
J1
1 0
9
8
7
1 3
1 2
1 1
RR2
R1
R2
R3
+5V
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RR2
+5V
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CN5
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+
-
~
~
PD1
C3
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C4
C6
+
C9
C8
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C7
TZ1
L1
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1 4
CN2
RV1
1 6
SN7407
5
2
4
6
8
1 0
1 2
1
3
9
1 1
1 3
1 4
7
+5V
SWITCHING
REGOLATOR
D6
D5
D7
R/W
RS
R/W
RS
Contrast
E
E
D0
D0
D0
D2.
D2
D1
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LM12454_06 制造商:NSC 制造商全稱:National Semiconductor 功能描述:12-Bit + Sign Data Acquisition System with Self-Calibration
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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: