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LTC2368-24 PDF预览

LTC2368-24

更新时间: 2023-12-20 18:45:11
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
30页 1122K
描述
具集成型数字滤波器的 24 位、1Msps、伪差分单极性 SAR ADC

LTC2368-24 数据手册

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LTC2368-24  
24-Bit, 1Msps, Pseudo-  
Differential Unipolar SAR ADC  
with Integrated Digital Filter  
FEATURES  
DESCRIPTION  
The LTC®2368-24 is a low noise, low power, high speed  
24-bit successive approximation register (SAR) ADC with  
an integrated digital averaging filter. Operating from a  
n
Guaranteed 24-Bits No Missing Codes  
n
±±0.ppꢀ INꢁ ꢂ(yp)  
n
Integrated Digital Filter with Real-(iꢀe Averaging  
n
ꢁow Power: 21ꢀW at 1Msps  
98dB SNR ꢂ(yp) at 1Msps  
14±dB Dynaꢀic Range ꢂ(yp) at 1.02.sps  
2.5V supply, the LTC2368-24 has a 0V to V  
differential unipolar input range with V  
2.5V to 5.1V. The LTC2368-24 consumes only 21mW  
(Typ) and achieves 4.5ppm INL maximum and no miss-  
ing codes at 24 bits.  
pseudo-  
REF  
n
ranging from  
REF  
n
n
–116dB (HD ꢂ(yp) at f = 2kHz  
.±Hz/6±Hz Rejection  
Guaranteed Operation to 85°C  
Single 2.5V Supply  
Pseudo-Differential Unipolar Input Range: 0V to V  
1.8V to 5V SPI-Compatible Serial I/O with Daisy-  
Chain Mode  
IN  
n
n
n
n
n
The LTC2368-24 has an easy to use integrated digital  
averaging filter that can average 1 to 65536 conversion  
results real-time, dramatically improving dynamic range  
from 98dB at 1Msps to 140dB at 15.25sps. No separate  
programminginterfaceorconfigurationregisterisrequired.  
REF  
n
16-Lead MSOP and 4mm × 3mm DFN Packages  
The high speed SPI-compatible serial interface supports  
1.8V, 2.5V, 3.3V and 5V logic while also featuring a daisy-  
chain mode. The LTC2368-24 automatically powers down  
betweenconversions,reducingpowerdissipationatlower  
sampling rates.  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and  
SoftSpan is a trademark of Linear Technology Corporation. All other trademarks are the property  
of their respective owners. Protected by U.S. Patents, including 7705765, 7961132, 8319673,  
8810443 and Patents pending.  
APPLICATIONS  
n
Seismology  
n
Energy Exploration  
n
Medical Imaging  
n
High Speed Data Acquisition  
Industrial Process Control  
n
n
ATE  
TYPICAL APPLICATION  
Integral Nonlinearity vs Output Code  
4.0  
2.5V 1.8V TO 5V  
10µF  
3.0  
2.0  
1.0  
0
0.1µF  
V
REF  
0V  
+
V
OV  
DD  
DD  
10Ω  
CHAIN  
RDL/SDI  
SDO  
+
LT6202  
IN  
3.3nF  
LTC2368-24  
SCK  
BUSY  
CNV  
–1.0  
IN  
SAMPLE CLOCK  
–2.0  
REF  
GND  
236824 TA01  
–3.0  
2.5V TO 5.1V  
47µF  
(X7R, 1210 SIZE)  
–4.0  
0
4194304 8388608 12582912 16777216  
OUTPUT CODE  
236824 TA01b  
236824f  
1
For more information www.linear.com/LTC2368-24  

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