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LTC2141-14 PDF预览

LTC2141-14

更新时间: 2023-12-20 18:44:07
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
38页 541K
描述
14 位、40Msps、低功率、双通道 ADC

LTC2141-14 数据手册

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LTC2142-14/  
LTC2141-14/LTC2140-14  
DIGITAL INPUTS AND OUTPUTS The l denotes the specifications which apply over the full operating  
temperature range, otherwise specifications are at TA = 25°C. (Note 5)  
SYMBOL PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
+
ENCODE INPUTS (ENC , ENC )  
Differential Encode Mode (ENC Not Tied to GND)  
l
V
V
Differential Input Voltage  
(Note 8)  
0.2  
V
ID  
Common Mode Input Voltage  
Internally Set  
Externally Set (Note 8)  
1.2  
V
V
ICM  
l
l
1.1  
0.2  
1.6  
3.6  
+
V
IN  
Input Voltage Range  
Input Resistance  
ENC , ENC to GND  
(See Figure 10)  
(Note 8)  
V
kΩ  
pF  
R
10  
IN  
IN  
C
Input Capacitance  
3.5  
Single-Ended Encode Mode (ENC Tied to GND)  
l
l
l
V
V
V
High Level Input Voltage  
Low Level Input Voltage  
Input Voltage Range  
Input Resistance  
V
V
= 1.8V  
= 1.8V  
1.2  
0
V
V
IH  
IL  
IN  
DD  
0.6  
3.6  
DD  
+
ENC to GND  
(See Figure 11)  
(Note 8)  
V
R
30  
kΩ  
pF  
IN  
IN  
C
Input Capacitance  
3.5  
DIGITAL INPUTS (CS, SDI, SCK in Serial or Parallel Programming Mode. SDO in Parallel Programming Mode)  
l
V
V
High Level Input Voltage  
Low Level Input Voltage  
Input Current  
V
V
V
= 1.8V  
1.3  
V
V
IH  
IL  
DD  
DD  
IN  
l
l
= 1.8V  
0.6  
10  
I
= 0V to 3.6V  
–10  
μA  
pF  
IN  
C
Input Capacitance  
(Note 8)  
3
200  
3
IN  
SDO OUTPUT (Serial Programming Mode. Open-Drain Output. Requires 2kΩ Pull-Up Resistor if SDO is Used)  
R
Logic Low Output Resistance to GND  
Logic High Output Leakage Current  
Output Capacitance  
V
DD  
= 1.8V, SDO = 0V  
Ω
μA  
pF  
OL  
l
I
OH  
SDO = 0V to 3.6V  
(Note 8)  
–10  
10  
C
OUT  
DIGITAL DATA OUTPUTS (CMOS MODES: FULL DATA RATE AND DOUBLE DATA RATE)  
OV = 1.8V  
DD  
l
l
V
V
High Level Output Voltage  
Low Level Output Voltage  
I = –500μA  
1.750  
1.790  
0.010  
V
V
OH  
OL  
O
I = 500μA  
O
0.050  
OV = 1.5V  
DD  
V
OH  
V
OL  
High Level Output Voltage  
Low Level Output Voltage  
I = –500μA  
1.488  
0.010  
V
V
O
I = 500μA  
O
OV = 1.2V  
DD  
V
OH  
V
OL  
High Level Output Voltage  
Low Level Output Voltage  
I = –500μA  
1.185  
0.010  
V
V
O
I = 500μA  
O
DIGITAL DATA OUTPUTS (LVDS MODE)  
l
l
V
Differential Output Voltage  
100Ω Differential Load, 3.5mA Mode  
100Ω Differential Load, 1.75mA Mode  
247  
350  
175  
454  
mV  
mV  
OD  
V
OS  
Common Mode Output Voltage  
On-Chip Termination Resistance  
100Ω Differential Load, 3.5mA Mode  
100Ω Differential Load, 1.75mA Mode  
1.125  
1.250  
1.250  
1.375  
V
V
R
Termination Enabled, OV = 1.8V  
100  
Ω
TERM  
DD  
21421014fa  
6

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