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LTC2311-12 PDF预览

LTC2311-12

更新时间: 2023-12-20 18:44:06
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
24页 1263K
描述
具宽输入共模范围的 12 位带符号位、5Msps 差分输入 ADC

LTC2311-12 数据手册

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LTC2311-12  
INTERNAL REFERENCE CHARACTERISTICS The l denotes the specifications which apply over the  
full operating temperature range, otherwise specifications are at TA = 25°C (Note 4).  
SYMBOL  
PARAMETER  
CONDITIONS  
4.75V < V < 5.25V  
MIN  
TYP  
MAX  
UNITS  
l
l
V
REFOUT Output Voltage  
4.±82  
2.±42  
4.±96  
2.±48  
4.11±  
2.±54  
V
V
REFOUT  
DD  
3.13V < V < 3.47V  
DD  
l
l
REFOUT Input Voltage  
4.75V < V < 5.25V, REFIN = ±V (Note 5)  
±.5  
±.5  
V
DD  
V
DD  
V
V
DD  
3.13V < V < 3.47V, REFIN = ±V (Note 5)  
DD  
l
l
REFOUT Temperature Coefficient  
REFOUT Short-Circuit Current  
REFOUT Line Regulation  
(Note 14)  
3
2±  
ppm/°C  
mA  
V
V
= 5.25V, Forcing Output to GND  
= 4.75V to 5.25V  
3±  
DD  
±.3  
±.5  
6±  
mV/V  
mV/mA  
kΩ  
DD  
REFOUT Load Regulation  
I
< 2mA  
REFOUT  
REFOUT Input Resistance (External Reference REFIN = ±V  
Mode)  
I
REFOUT Input Current (External Reference  
Mode)  
REFIN = ±V, REFOUT = 4.±96V  
(Note 1±)  
7±±  
µA  
REFOUT  
l
l
V
REFIN Output Voltage  
3.13V < V < 3.47V  
1.245  
1.245  
1.25  
1.25  
1.255  
1.255  
V
V
REFIN  
DD  
4.75V < V < 5.25V  
DD  
l
l
REFIN Input Voltage  
3.13V < V < 3.47V (Note 5)  
1
1
1.85  
1.45  
V
V
DD  
4.75V < V < 5.25V (Note 5)  
DD  
l
REFIN Short-Circuit Current  
V
DD  
= 5.25V, Forcing Output to GND  
25±  
µA  
l
l
V
(V  
)
REFIN Low Level Input Voltage (External  
Reference Mode)  
3.13V < V < 3.47V  
±.5  
±.5  
V
V
IL REFIN  
DD  
4.75V < V < 5.25V  
DD  
DIGITAL INPUTS AND DIGITAL OUTPUTS The l denotes the specifications which apply over the  
full operating temperature range, otherwise specifications are at TA = 25°C (Note 4).  
SYMBOL  
PARAMETER  
CONDITIONS  
MIN  
±.8 • OV  
–1±  
TYP  
MAX  
UNITS  
CMOS Digital Inputs and Outputs  
l
l
l
V
V
High Level Input Voltage  
Low Level Input Voltage  
Digital Input Current  
V
V
IH  
DD  
±.2 • OV  
1±  
IL  
DD  
I
V
IN  
= ±V to OV  
DD  
μA  
pF  
V
IN  
C
V
V
Digital Input Capacitance  
High Level Output Voltage  
Low Level Output Voltage  
Hi-Z Output Leakage Current  
Output Source Current  
Output Sink Current  
5
IN  
l
l
l
I = –5±±µA  
O
OV – ±.2  
DD  
OH  
OL  
I = 5±±µA  
O
±.2  
1±  
V
I
I
I
V
OUT  
V
OUT  
V
OUT  
= ±V to OV  
DD  
–1±  
µA  
mA  
mA  
OZ  
= ±V  
= OV  
–1±  
1±  
SOURCE  
SINK  
DD  
LVDS Digital Inputs and Outputs  
l
l
l
V
V
V
LVDS Differential Input Voltage  
LVDS Common Mode Input Voltage  
LVDS Differential Output Voltage  
1±±Ω Differential Termination, OV = 2.5V  
24±  
1
6±±  
1.45  
3±±  
mV  
V
ID  
DD  
1±±Ω Differential Termination, OV = 2.5V  
IS  
DD  
1±±Ω Differential Load, LVDS Mode,  
OV = 2.5V  
DD  
1±±  
225  
1.2  
125  
1.2  
mV  
OD  
l
l
l
V
V
V
LVDS Common Mode Output Voltage 1±±Ω Differential Load, LVDS Mode,  
±.85  
5±  
1.4  
2±±  
1.4  
V
OS  
OV = 2.5V  
DD  
Low Power LVDS Differential Output  
Voltage  
1±±Ω Differential Load, Low Power,  
mV  
OD_LP  
OS_LP  
LVDS Mode, OV = 2.5V  
DD  
Low Power LVDS Common Mode  
Output Voltage  
1±±Ω Differential Load, Low Power,  
±.9  
V
LVDS Mode, OV = 2.5V  
DD  
Rev. A  
4
For more information www.analog.com  

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