參數(shù)資料
型號: LM12454CIV
廠商: NATIONAL SEMICONDUCTOR CORP
元件分類: 模擬信號調(diào)理
英文描述: 12-Bit Sign Data Acquisition System with Self-Calibration
中文描述: SPECIALTY ANALOG CIRCUIT, PQCC44
封裝: PLASTIC, LCC-44
文件頁數(shù): 74/103頁
文件大?。?/td> 1355K
代理商: LM12454CIV
ITALIAN TECHNOLOGY
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Pagina A-3
GPC
150 Rel. 3.00
F
IGURA
A3: S
CHEMA
ELETTRICO
QTP 16P
A
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B
C
C
1
1
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Title:
Date:
Page :
of
Rel.
1
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
7
8
5
6
3
4
1
2
CN4
RR1
1 4
1 3
1 2
1 1
1 0
9
8
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1 3
1 6
1 5
1 4
1 8
1 7
1 1
1 2
9
1 0
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6
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4
2
1
1 6
3
2
1
1 5
1 5
3
C1
R7
R6
R5
R4
4
CN3
3
3
2
8
7
6
5
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
C2
RR2
+5V
1
2
A
B
3
CN5
4
+
-
~
~
PD1
C3
+
C4
C6
+
C9
C8
+
C7
TZ1
L1
A
B
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
D2
D1
D1
D3
D3
D3
D4
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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:
LM12458CIV 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
LM12458CIV/NOPB 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 12B PLUS SIGN DATA ACQUISITION SYSTEM RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
LM12458CIV/NOPB 制造商:Texas Instruments 功能描述:A/D Converter (A-D) IC