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LTC2357-16 PDF预览

LTC2357-16

更新时间： 2023-12-20 18:45:42
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
38页 1560K
描述
具 30VP-P 共模范围的缓冲 4 通道、16 位、每通道 350ksps、差分 ±10.24V ADC

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中文翻译

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LTC2357-16 数据手册

 浏览型号LTC2357-16的Datasheet PDF文件第2页浏览型号LTC2357-16的Datasheet PDF文件第3页浏览型号LTC2357-16的Datasheet PDF文件第4页浏览型号LTC2357-16的Datasheet PDF文件第5页浏览型号LTC2357-16的Datasheet PDF文件第6页浏览型号LTC2357-16的Datasheet PDF文件第7页 
LTC2357-16  
Buffered Quad, 16-Bit, 350ksps/Ch  
Differential 10ꢀ.24 ꢁDC ꢂith  
304 Common Mode Range  
P-P  
FeaTures  
DescripTion  
TheLTC®2357-16isa16-bit, lownoise4-channelsimulta-  
neous sampling successive approximation register (SAR)  
ADC with buffered differential, wide common mode range  
picoamp inputs. Operating from a 5V low voltage supply,  
flexible high voltage supplies, and using the internal refer-  
enceandbuffer,eachchannelofthisSoftSpanTM ADCcanbe  
independently configured on a conversion-by-conversion  
basis to accept 1ꢀ.24V, ꢀV to 1ꢀ.24V, 5.12V, or ꢀV to  
5.12V signals. Individual channels may also be disabled  
to increase throughput on the remaining channels.  
n
Simultaneous Sampling of 4 Buffered Channels  
n
350ksps per Channel Throughput  
n
500pA/12nA Max Input Leakage at 85°C/125°C  
n
1LSB IꢀL ꢁMaximumꢂ 10ꢃ24ꢄ Vangeꢅ  
n
Guaranteed 16-Bitꢂ ꢀo Missing Codes  
n
Differentialꢂ Wide Common Mode Vange Inputs  
n
Per-Channel SoftSpan Input Vanges:  
n
10ꢃ24ꢄꢂ 0ꢄ to 10ꢃ24ꢄꢂ 5ꢃ12ꢄꢂ 0ꢄ to 5ꢃ12ꢄ  
n
12ꢃ5ꢄꢂ 0ꢄ to 12ꢃ5ꢄꢂ 6ꢃ25ꢄꢂ 0ꢄ to 6ꢃ25ꢄ  
n
94ꢃ2dB Single-Conversion SꢀV ꢁTypicalꢅ  
n
−110dB THD ꢁTypicalꢅ at f = 2kHz  
Iꢀ  
Iꢀ  
The integrated picoamp-input analog buffers, wide input  
commonmoderangeand128dB CMRRoftheLTC2357-16  
allow the ADC to directly digitize a variety of signals us-  
ing minimal board space and power. This input signal  
flexibility, combined with 1LSB INL, no missing codes  
at 16 bits, and 94.2dB SNR, makes the LTC2357-16 an  
ideal choice for many high voltage applications requiring  
wide dynamic range.  
n
n
n
n
n
n
n
128dB CMVV ꢁTypicalꢅ at f = 200Hz  
Vail-to-Vail Input Overdrive Tolerance  
Integrated Reference and Buffer (4.ꢀ96V)  
SPI CMOS (1.8V to 5V) and LVDS Serial I/O  
Internal Conversion Clock, No Cycle Latency  
175mW Power Dissipation (44mW/Ch Typical)  
48-Lead (7mm x 7mm) LQFP Package  
TheLTC2357-16supportspin-selectableSPICMOS(1.8V  
to 5V) and LVDS serial interfaces. Between one and four  
lanes of data output may be employed in CMOS mode,  
allowing the user to optimize bus width and throughput.  
applicaTions  
n
Programmable Logic Controllers  
Industrial Process Control  
Power Line Monitoring  
n
n
All registered trademarks and trademarks are the property of their respective owners. Protected  
by U.S. Patents, including 77ꢀ5765, 7961132, 8319673, 9197235.  
n
Test and Measurement  
Typical applicaTion  
15V  
0.1µF  
5V  
0.1µF  
1.8V TO 5V  
0.1µF  
Integral ꢀonlinearity vs  
Output Code and Channel  
2.2µF  
V
CMOS OR LVDS  
I/O INTERFACE  
1.00  
0.75  
0.50  
0.25  
0
±±10.24V RANG  
V
V
OV  
DD  
BUFFERS  
+
–
–
FULLY  
DIFFERENTIAL  
+5V  
LVDS/CMOS  
CC  
DD  
DDLBYP  
TRUE BIPOLAR DRIVE (IN = 0V)  
ARBITRARY  
PD  
IN0  
IN0  
ALL CHANNELS  
S/H  
S/H  
S/H  
S/H  
+10V  
LTC2357-16  
0V  
0V  
SDO0  
–10V  
–5V  
16-BIT  
MUX  
SDO3  
SCKO  
SCKI  
SDI  
CS  
BUSY  
CNV  
SAR ADC  
UNIPOLAR  
TRUE BIPOLAR  
+10V  
–0.25  
–0.50  
–0.75  
–1.00  
+10V  
0V  
0V  
SAMPLE  
CLOCK  
–10V  
–10V  
+
–
IN3  
IN3  
+
–
V
REFBUF  
REFIN  
GND  
EE  
DIFFERENTIAL INPUTS IN /IN WITH  
WIDE INPUT COMMON MODE RANGE  
–32768  
–16384  
0
16384  
32768  
235716 TA01a  
OUTPUT CODE  
47µF  
0.1µF  
FOUR BUFFERED  
235716 TA01b  
0.1µF  
–15V  
SIMULTANEOUS  
SAMPLING CHANNELS  
235716f  
1
For more information www.linear.com/LTC2357-16  
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