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LTC1853

更新时间： 2023-12-20 18:44:11
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
24页 239K
描述
8 通道、12 位、400ksps、低功率、采样 ADC

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中文翻译

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LTC1853 数据手册

 浏览型号LTC1853的Datasheet PDF文件第1页浏览型号LTC1853的Datasheet PDF文件第2页浏览型号LTC1853的Datasheet PDF文件第4页浏览型号LTC1853的Datasheet PDF文件第5页浏览型号LTC1853的Datasheet PDF文件第6页浏览型号LTC1853的Datasheet PDF文件第7页 
LTC1852/LTC1853  
CONVERTER CHARACTERISTICS The l denotes the specifications which apply over the full operating  
temperature range, otherwise specifications are at TA = 25°C. VDD = 2.7V to 5.5V, REFCOMP < VDD (Notes 5,6)  
LTC1852  
TYP  
LTC1853  
TYP  
PARAMETER  
CONDITIONS  
MIN  
MAX  
MIN  
MAX  
UNITS  
Bits  
l
l
l
Resolution (No Missing Codes)  
Integral Linearity Error  
Differential Linearity Error  
10  
12  
(Note 7)  
0.25  
0.25  
1
1
0.35  
0.25  
1
1
LSB  
LSB  
Offset Error (Bipolar and Unipolar)  
Gain = 1 (PGA = 1)  
(Note 8)  
REFCOMP ≥ 2V  
l
l
0.5  
1
2
4
1
2
6
12  
LSB  
LSB  
Gain = 2 (PGA = 0)  
Offset Error Match (Bipolar and Unipolar)  
0.5  
1
LSB  
Unipolar Gain Error  
Gain = 1 (PGA = 1)  
Gain = 2 (PGA = 0)  
With External 4.096V Reference  
Applied to REFCOMP (Note 12)  
DD  
2
4
4
8
LSB  
LSB  
V
= 4.75V to 5.25V, f ≤ 400kHz  
S
Unipolar Gain Error Match  
0.5  
1
LSB  
Bipolar Gain Error  
Gain = 1 (PGA = 1)  
Gain = 2 (PGA = 0)  
With External 4.096V Reference  
Applied to REFCOMP (Note 12)  
DD  
2
4
4
8
LSB  
LSB  
V
= 4.75V to 5.25V, f ≤ 400kHz  
S
Bipolar Gain Error Match  
0.5  
1
LSB  
Unipolar Gain Error  
Gain = 1 (PGA = 1)  
Gain = 2 (PGA = 0)  
With External 2.5V Reference  
Applied to REFCOMP  
l
l
1
2
3
6
1.5  
3
8
16  
LSB  
LSB  
V
= 2.7V to 5.5V, f ≤ 250kHz  
DD  
S
Bipolar Gain Error  
Gain = 1 (PGA = 1)  
Gain = 2 (PGA = 0)  
With External 2.5V Reference  
Applied to REFCOMP  
l
l
1
2
3
6
1.5  
3
8
16  
LSB  
LSB  
V
= 2.7V to 5.5V, f ≤ 250kHz  
DD  
S
Full-Scale Error Temperature Coefficient  
15  
15  
ppm/°C  
ANALOG INPUT The l denotes the specifications which apply over the full operating temperature range, otherwise  
specifications are at TA = 25°C. (Notes 5)  
SYMBOL  
PARAMETER  
CONDITIONS  
MIN  
TYP  
MAX  
UNITS  
V
Analog Input Range (Note 9)  
Unipolar, Gain = 1 (PGA = 1)  
Unipolar, Gain = 2 (PGA = 0)  
Bipolar, Gain = 1 (PGA = 1)  
Bipolar, Gain = 2 (PGA = 0)  
2.7V ≤ V ≤ 5.5V, REFCOMP ≤ V  
IN  
DD  
DD  
0 – REFCOMP  
0 – REFCOMP/2  
REFCOMP/2  
REFCOMP/4  
V
V
V
V
l
I
Analog Input Leakage Current  
Analog Input Capacitance  
1
μA  
IN  
C
Between Conversions (Gain = 1)  
Between Conversions (Gain = 2)  
During Conversions  
15  
25  
5
pF  
pF  
pF  
IN  
t
t
t
t
Sample-and-Hold Acquisition Time  
Multiplexer Settling Time (Includes t  
50  
50  
150  
150  
ns  
ns  
ns  
ACQ  
)
ACQ  
S(MUX)  
AP  
Sample-and-Hold Aperture Delay Time  
V
V
= 5V  
= 5V  
–0.5  
2
DD  
Sample-and-Hold Aperture Delay Time Jitter  
Analog Input Common Mode Rejection Ratio  
ps  
RMS  
jitter  
DD  
CMRR  
60  
dB  
DYNAMIC ACCURACY TA = 25°C. (Notes 5)  
SYMBOL  
PARAMETER  
CONDITIONS  
MIN  
TYP  
72.5  
–80  
–85  
MAX  
UNITS  
dB  
S/(N + D) Signal-to-Noise Plus Distortion Ratio  
40kHz Input Signal  
THD  
Total Harmonic Distortion  
40kHz Input Signal, First 5 Harmonics  
40kHz Input Signal  
dB  
SFDR  
Spurious Free Dynamic Range  
dB  
18523fa  
3
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中文翻译

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