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LTC2337-18 PDF预览

LTC2337-18

更新时间： 2024-09-25 14:58:27
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
26页 731K
描述
具 100dB SNR 的 18 位、500ksps、±10.24V 真正双极、全差分输入 ADC

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LTC2337-18 数据手册

 浏览型号LTC2337-18的Datasheet PDF文件第2页浏览型号LTC2337-18的Datasheet PDF文件第3页浏览型号LTC2337-18的Datasheet PDF文件第4页浏览型号LTC2337-18的Datasheet PDF文件第5页浏览型号LTC2337-18的Datasheet PDF文件第6页浏览型号LTC2337-18的Datasheet PDF文件第7页 
LTC2337-18  
18-Bit, 500ksps, 10ꢀ.24  
True Bipolar, Fully Differential  
Input ADC with 100dB SNR  
DESCRIPTION  
FEATURES  
TheLTC®2337-18isalownoise,highspeed18-bitsucces-  
siveapproximationregister(SAR)ADCwithfullydifferential  
inputs.Operatingfromasingle5Vsupply,theLTC2337-18  
has a 1ꢀ.2ꢁV true bipolar input range, making it ideal for  
high voltage applications which require a wide dynamic  
range. The LTC2337-18 achieves ꢁLSꢂ INL maximum,  
no missing codes at 18-bits with 1ꢀꢀdꢂ SNR.  
n
500ksps Throughput Rate  
n
±±4LS ꢀI4 ꢁ(aꢂx  
n
Guaranteed 18-Sit Io (issing Codes  
Fully Differential ꢀnputs  
n
n
True Sipolar ꢀnput Ranges ±ꢃ6.5ꢄV ±106.±ꢄV ±1.65ꢄ  
n
100dS LIR ꢁTypx at f = .kHz  
ꢀI  
ꢀI  
n
n
n
n
n
n
n
n
n
n
n
–115dS THD ꢁTypx at f = .kHz  
Guaranteed Operation to 125°C  
The LTC2337-18 has an onboard single-shot capable  
reference buffer and low drift (2ꢀppm/°C max) 2.ꢀꢁ8V  
temperature compensated reference. The LTC2337-18  
also has a high speed SPI-compatible serial interface that  
supports1.8V,2.5V,3.3Vand5Vlogicwhilealsofeaturing  
a daisy-chain mode. The fast 5ꢀꢀksps throughput with  
no cycle latency makes the LTC2337-18 ideally suited  
for a wide variety of high speed applications. An internal  
oscillator sets the conversion time, easing external timing  
considerations. The LTC2337-18 dissipates only 35mW  
and automatically naps between conversions, leading to  
reduced power dissipation that scales with the sampling  
rate. A sleep mode is also provided to reduce the power  
consumption of the LTC2337-18 to 3ꢀꢀμW for further  
power savings during inactive periods.  
Single 5V Supply  
Low Drift (2ꢀppm/°C Max) 2.ꢀꢁ8V Internal Reference  
Onboard Single-Shot Capable Reference ꢂuffer  
No Pipeline Delay, No Cycle Latency  
1.8V to 5V I/O Voltages  
SPI-Compatible Serial I/O with Daisy-Chain Mode  
Internal Conversion Clock  
Power Dissipation 35mW (Typ)  
16-Lead MSOP Package  
APPLICATIONS  
n
Programmable Logic Controllers  
n
Industrial Process Control  
n
High Speed Data Acquisition  
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 77ꢀ5765 and 7961132  
n
Portable or Compact Instrumentation  
n
ATE  
TYPICAL APPLICATION  
3.k Point FFT fL = 500kspsV  
fꢀI = .kHz  
5V  
1.8V TO 5V  
0
SNR = 100.4dB  
–20  
–40  
THD = –116dB  
SINAD = 100.3dB  
SFDR = –118dB  
10µF  
2.2µF  
0.1µF  
V
V
OV  
DD  
DDLBYP DD  
+10.24V  
CHAIN  
RDL/SDI  
SDO  
SCK  
BUSY  
CNV  
–60  
+
–
IN  
+
–
–80  
–10.24V  
+10.24V  
LTC2337-18  
–100  
–120  
–140  
–160  
–180  
IN  
SAMPLE CLOCK  
–10.24V  
REFBUF  
REFIN  
100nF  
GND  
233718 TA01  
47µF  
0
50  
100  
150  
200  
250  
FREQUENCY (kHz)  
233718 TA01b  
233718fa  
1
For more information www.linear.com/LTC2337-18  
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