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LTC2391HLX-16PBF PDF预览

LTC2391HLX-16PBF

更新时间: 2024-09-29 05:43:47
品牌 Logo 应用领域
凌特 - Linear /
页数 文件大小 规格书
24页 285K
描述
16-Bit, 250ksps SAR ADC with 94dB SNR

LTC2391HLX-16PBF 数据手册

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LTC2391-16  
16-Bit, 250ksps SAR ADC  
with 94dB SNR  
FeATures  
DesCrIPTION  
The LTC®2391-16 is a low noise, high speed 16-bit suc-  
cessive approximation register (SAR) ADC. Operating  
from a single 5V supply, the LTC2391-16 supports a large  
±±.ꢀ96V fully differential input range, making it ideal for  
high performance applications which require maximum  
dynamicrange.TheLTC2391-16achieves±2LSBINLmax,  
no missing codes at 16-bits and 9±dB SNR (typ).  
n
250ksps Throughput Rate  
n
2ꢀLS ꢁIꢀ ꢂ(aꢃx  
n
Guaranteed 16-Sit Io (issing Codes  
n
94dS LIR ꢂTypx at f = 20kHz  
ꢁI  
n
Guaranteed Operation to 125/C  
n
Single 5V Supply  
n
1.8V to 5V IꢁO Voltages  
n
95mW Power Dissipation  
The LTC2391-16 includes a precision internal reference  
with a guaranteed ꢀ.5% initial accuracy and a ±2ꢀppmꢁ/C  
(max) temperature coefficient. Fast 25ꢀksps throughput  
with no cycle latency in both parallel and serial interface  
modes makes the LTC2391-16 ideally suited for a wide  
variety of high speed applications. An internal oscillator  
setstheconversiontime,easingexternaltimingconsider-  
ations.TheLTC2391-16dissipatesonly95mWat25ꢀksps,  
whilebothnapandsleeppower-downmodesareprovided  
to further reduce power during inactive periods.  
n
±±.ꢀ96V Differential Input Range  
n
Internal Reference (2ꢀppmꢁ/C Max)  
n
No Pipeline Delay, No Cycle Latency  
n
Parallel and Serial Interface  
Internal Conversion Clock  
n
n
±8-Pin 7mm × 7mm LQFP and QFN Packages  
APPLICATIONs  
n
Medical Imaging  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear  
Technology Corporation. All other trademarks are the property of their respective owners.  
n
High Speed Data Acquisition  
n
Digital Signal Processing  
Industrial Process Control  
Instrumentation  
ATE  
n
n
n
TYPICAL APPLICATION  
16k Point FFT fL = 250ksps,  
fꢁI = 20kHz  
5V  
5V  
0.1µF  
1.8V TO 5V  
4.7µF  
0
–20  
SNR = 94dB  
10µF  
0.1µF  
10µF  
THD –103dB  
SINAD = 93.5dB  
SFDR = 104dB  
–40  
ANALOG INPUT  
0V TO 4.096V  
AVP  
DVP  
OVP  
PARALLEL  
OR  
SERIAL  
INTERFACE  
–60  
249Ω  
16 BIT  
+
IN  
–80  
–100  
–120  
–140  
–160  
2200pF  
249Ω  
LTC2391-16  
LT6350  
SER/PAR  
BYTESWAP  
OB/2C  
CS  
IN  
RD  
SINGLE-ENDED-  
TO-DIFFERENTIAL  
DRIVER  
BUSY  
VCM REFIN REFOUT CNVST PD RESET GND OGND  
10µF 1µF  
–180  
239116 TA01  
0
100  
125  
25  
50  
75  
SAMPLE CLOCK  
FREQUENCY (kHz)  
239116 G08  
239116f  

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