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LTC1390

更新时间： 2024-11-26 14:58:23
品牌 Logo 应用领域
亚德诺 - ADI 复用器
页数 文件大小 规格书
8页 162K
描述
具串行接口的 8 通道模拟多路复用器

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中文翻译

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LTC1390 数据手册

 浏览型号LTC1390的Datasheet PDF文件第2页浏览型号LTC1390的Datasheet PDF文件第3页浏览型号LTC1390的Datasheet PDF文件第4页浏览型号LTC1390的Datasheet PDF文件第5页浏览型号LTC1390的Datasheet PDF文件第6页浏览型号LTC1390的Datasheet PDF文件第7页 
LTC1390  
8-Channel  
Analog Multiplexer  
with Serial Interface  
U
DESCRIPTIO  
EATURE  
3-Wire Serial Digital Interface  
Data Retransmission Allows Series Connection  
with Serial A/D Converters  
Single 3V to ±5V Supply Operation  
Analog Inputs May Extend to Supply Rails  
Low Charge Injection  
Low RON: 75Ω Max  
Low Leakage: ±5nA Max  
Guaranteed Break-Before-Make  
TTL/CMOS Compatible for All Digital Inputs  
Cascadable to Allow Additional Channels  
Can Be Used as a Demultiplexer  
S
F
The LTC®1390 is a high performance CMOS 8-to-1 analog  
multiplexer. It features a 3-wire digital interface with a  
bidirectional data retransmission feature, allowing it to be  
wired in series with a serial A/D converter while using only  
oneserialport.TheinterfacealsoallowsseveralLTC1390s  
to be wired in series or parallel, increasing the number of  
MUX channels available using only a single digital port. All  
the above features are also valid when LTC1390 operates  
as a demultiplexer such as with a D/A converter.  
■
■
■
■
■
■
■
■
■
■
■
The LTC1390 features a typical RON of 45Ω, typical switch  
leakage of 50pA, and guaranteed break-before-make op-  
eration. Charge injection is ±10pC maximum. All digital  
inputs are TTL and CMOS compatible when operated from  
single or dual supplies. The inputs can withstand 100mA  
fault currents.  
O U  
PPLICATI  
A
S
■
■
■
Data Acquisition Systems  
Communication Systems  
Signal Multiplexing/Demultiplexing  
The LTC1390 is available in 16-pin PDIP and narrow SO  
packages.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
O
TYPICAL APPLICATI  
V
V
CC EE  
ON-Resistance vs  
Analog Input Voltage  
V
CC  
OPTIONAL A/D  
INPUT FILTER  
250  
200  
150  
1
2
3
4
8
7
6
5
1
2
3
4
5
6
7
8
16  
T
= 25°C  
+
A
CS  
V
CC  
S0  
S1  
S2  
S3  
S4  
S5  
S6  
S7  
V
15  
14  
13  
12  
11  
10  
9
+IN  
–IN  
CLK  
D
–
LTC1390  
LTC1096  
+
–
V
V
= 3V  
= 0V  
V
D
OUT  
DATA 2  
DATA 1  
CS  
ANALOG  
INPUTS  
GND  
V
REF  
100  
50  
0
CLK  
V
CC  
+
V
= 5V  
GND  
–
V
= –5V  
47k  
3-WIRE  
SERIAL  
INTERFACE  
DATA  
CLK  
CS  
LTC1390 • TA01  
–5 –4 –3 –2 –1  
0
1
2
3
4
5
TO MUX AND ADC  
ANALOG INPUT VOLTAGE, V (V)  
S
LTC1390 • TA02  
sn1390 1390fs  
1
12345678

中文翻译

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