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LTC1744 PDF预览

LTC1744

更新时间： 2023-12-20 18:44:02
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
24页 543K
描述
14 位、50Msps ADC

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中文翻译

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LTC1744 数据手册

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LTC1744  
W W  
U W  
U
W U  
ABSOLUTE MAXIMUM RATINGS  
PACKAGE/ORDER INFORMATION  
OVDD = VDD (Notes 1, 2)  
ORDER PART  
NUMBER  
TOP VIEW  
Supply Voltage (VDD)................................................ 6V  
Analog Input Voltage (Note 3) .... –0.3V to (VDD + 0.3V)  
Digital Input Voltage (Note 4) ..... –0.3V to (VDD + 0.3V)  
Digital Output Voltage................. –0.3V to (VDD + 0.3V)  
OGND Voltage..............................................–0.3V to 1V  
Power Dissipation............................................ 2000mW  
Operating Temperature Range  
LTC1744C ............................................... 0°C to 70°C  
LTC1744I............................................ – 40°C to 85°C  
Storage Temperature Range ................. –65°C to 150°C  
Lead Temperature (Soldering, 10 sec).................. 300°C  
SENSE  
1
2
3
4
5
6
7
8
9
48 OF  
V
CM  
47 OGND  
46 D13  
45 D12  
44 D11  
43 OV  
42 D10  
41 D9  
GND  
LTC1744CFW  
LTC1744IFW  
+
A
A
IN  
IN  
–
GND  
DD  
V
V
DD  
DD  
GND  
40 D8  
REFLB 10  
REFHA 11  
GND 12  
39 D7  
38 OGND  
37 GND  
36 GND  
35 D6  
34 D5  
33 D4  
GND 13  
REFLA 14  
REFHB 15  
GND 16  
V
V
17  
18  
32 OV  
31 D3  
30 D2  
29 D1  
28 D0  
27 OGND  
26 CLKOUT  
25 OE  
DD  
DD  
DD  
GND 19  
20  
V
DD  
GND 21  
MSBINV 22  
ENC 23  
ENC 24  
FW PACKAGE  
48-LEAD PLASTIC TSSOP  
TJMAX = 150°C, θJA = 35°C/W  
Consult factory for parts specified with wider operating temperature ranges.  
U
CO VERTER CHARACTERISTICS  
The ● indicates specifications which apply over the full operating  
temperature range, otherwise specifications are at TA = 25°C. (Note 5)  
PARAMETER  
CONDITIONS  
MIN  
14  
TYP  
MAX  
UNITS  
Bits  
Resolution (No Missing Codes)  
Integral Linearity Error  
Differential Linearity Error  
Offset Error  
●
●
●
(Note 6)  
– 4  
–1  
±1  
±0.5  
±5  
4
1.5  
20  
3
LSB  
LSB  
(Note 7)  
–20  
–3  
mV  
Gain Error  
External Reference (SENSE = 1.6V)  
±1  
%FS  
ppm/°C  
Full-Scale Tempco  
I
= 0  
±40  
OUT(REF)  
U
U
A ALOG I PUT  
The ● indicates specifications which apply over the full operating temperature range, otherwise  
specifications are at TA = 25°C. (Note 5)  
SYMBOL PARAMETER  
CONDITIONS  
MIN  
TYP  
±1 to ±1.6  
10  
MAX  
UNITS  
V
V
Analog Input Range (Note 8)  
Analog Input Leakage Current  
Analog Input Capacitance  
4.75V ≤ V ≤ 5.25V  
●
●
IN  
IN  
DD  
I
nA  
IN  
C
Sample Mode ENC < ENC  
Hold Mode ENC > ENC  
15  
8
pF  
pF  
t
t
t
Sample-and-Hold Acquisition Time  
7.5  
0
9.5  
ns  
ns  
ACQ  
AP  
Sample-and-Hold Acquisition Delay Time  
Sample-and-Hold Acquisition Delay Time Jitter  
Analog Input Common Mode Rejection Ratio  
0.3  
80  
ps  
RMS  
JITTER  
–
+
CMRR  
1.0V < (A = A ) < 3.5V  
dB  
IN  
IN  
1744f  
2
1234567...24

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