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LTC2453 PDF预览

LTC2453

更新时间: 2023-12-20 18:44:05
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
18页 285K
描述
具 I2C 接口的超纤巧、差分、16 位 ΔΣ ADC

LTC2453 数据手册

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LTC2453  
The l denotes the specifications which apply over the full  
ANALOG INPUTS AND REFERENCES  
operating temperature range, otherwise specifications are at TA = 25°C.  
SYMBOL  
PARAMETER  
CONDITIONS  
MIN  
0
TYP  
MAX  
UNITS  
V
+
l
l
l
l
V
V
V
V
V
V
C
Positive Input Voltage Range  
Negative Input Voltage Range  
Positive Reference Voltage Range  
Negative Reference Voltage Range  
Overrange + Underrange Voltage, IN  
V
V
V
IN  
IN  
CC  
CC  
0
V
+
+
+
V
REF  
V
REF  
V
REF  
V
REF  
– V  
– V  
≥ 2.5V  
≥ 2.5V  
V
– 2.5  
V
REF  
REF  
REF  
REF  
CC  
CC  
0
V
– 2.5  
V
CC  
+
+
+
+ V  
+ V  
= 5V, V = 2.5V ±See Figure 2)  
31  
31  
LSB  
LSB  
pF  
OR  
OR  
IN  
UR  
IN  
+
Overrange + Underrange Voltage, IN–  
= 5V, V = 2.5V ±See Figure 2)  
UR  
IN  
+
IN , IN Sampling Capacitance  
0.35  
+
l
l
+
I
IN DC Leakage Current  
V
IN  
V
IN  
= GND ±Note 8)  
–10  
–10  
1
1
10  
10  
nA  
nA  
DC_LEAK±IN )  
= V ±Note 8)  
CC  
l
l
I
IN DC Leakage Current  
V
IN  
V
IN  
= GND ±Note 8)  
–10  
–10  
1
1
10  
10  
nA  
nA  
DC_LEAK±IN )  
= V ±Note 8)  
CC  
+
l
+
I
I
REF , REF DC Leakage Current  
Input Sampling Current ±Note 5)  
V
REF  
= 3V ±Note 8)  
–10  
1
10  
nA  
nA  
DC_LEAK±REF , REF )  
50  
CONV  
POWER REQUIREMENTS The l denotes the specifications which apply over the full operating temperature  
range, otherwise specifications are at TA = 25°C.  
SYMBOL  
PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
l
V
CC  
Supply Voltage  
2.7  
5.5  
V
I
CC  
Supply Current  
Conversion  
Sleep  
l
l
800  
0.2  
1200  
0.6  
µA  
µA  
I2C INPUTS AND OUTPUTS  
The l denotes the specifications which apply over the full operating temperature  
range, otherwise specifications are at TA = 25°C. (Notes 2, 7)  
SYMBOL  
PARAMETER  
CONDITIONS  
MIN  
0.7V  
TYP  
MAX  
UNITS  
V
l
l
l
l
l
l
l
l
V
IH  
V
IL  
High Level Input Voltage  
Low Level Input Voltage  
Digital Input Current  
CC  
0.3V  
10  
V
CC  
I
I
–10  
µA  
V
V
V
Hysteresis of Schmidt Trigger Inputs  
Low Level Output Voltage ±SDA)  
Input Leakage  
±Note 3)  
I = 3mA  
0.05V  
HYS  
CC  
0.4  
1
V
OL  
I
IN  
0.1V ≤ V ≤ 0.9V  
CC  
µA  
pF  
pF  
CC  
IN  
C
C
Capacitance for Each I/O Pin  
Capacitance Load for Each Bus Line  
10  
I
400  
B
2453fc  
3

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