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LTC2410 PDF预览

LTC2410

更新时间: 2024-09-11 14:58:11
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
50页 785K
描述
具差分输入和差分基准的 24 位、无延迟增量累加 ΔΣ ADC

LTC2410 数据手册

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LTC2410  
24-Bit No Latency ∆Σ™ ADC  
with Differential Input and  
Differential Reference  
FEATURES  
DESCRIPTION  
The LTC®2410 is a 2.7V to 5.5V micropower 24-bit dif-  
ferential ∆Σ analog to digital converter with an integrated  
oscillator, 2ppm INL and 0.16ppm RMS noise. It uses  
delta-sigma technology and provides single cycle settling  
time for multiplexed applications. Through a single pin,  
the LTC2410 can be configured for better than 110dB  
input differential mode rejection at 50Hz or 60Hz 2ꢀ, or  
it can be driven by an external oscillator for a user defined  
rejection frequency. The internal oscillator requires no  
external frequency setting components.  
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Differential Input and Differential Reference with  
GND to V Common Mode Range  
CC  
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2ppm INL, No Missing Codes  
2.5ppm Full-Scale Error  
0.1ppm Offset  
0.16ppm Noise  
Single Conversion Settling Time for Multiplexed  
Applications  
Internal Oscillator—No External Components  
Required  
110dB Min, 50Hz or 60Hz Notch Filter  
24-Bit ADC in Narrow SSOP-16 Package  
(SO-8 Footprint)  
Single Supply 2.7V to 5.5V Operation  
Low Supply Current (200µA) and Auto Shutdown  
Fully Differential Version of LTC2400  
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The converter accepts any external differential reference  
voltage from 0.1V to V for flexible ratiometric and re-  
CC  
mote sensing measurementconfigurations. The full-scale  
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differential input range is from –0.5V  
to 0.5V . The  
REFCM  
, may be independently set  
REF  
REF  
reference common mode voltage, V  
, and the input  
common mode voltage, V  
INCM  
anywherewithintheGNDtoV rangeoftheLTC2410.The  
CC  
APPLICATIONS  
DC common mode input rejection is better than 140dB.  
n
The LTC2410 communicates through a flexible 3-wire  
digital interface which is compatible with SPI and MI-  
CROWIRE protocols.  
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and No  
Latency ∆Σ is a trademark of Linear Technology Corporation. All other trademarks are the  
property of their respective owners.  
Direct Sensor Digitizer  
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Weight Scales  
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Direct Temperature Measurement  
Gas Analyzers  
Strain-Gauge Transducers  
Instrumentation  
Data Acquisition  
Industrial Process Control  
6-Digit DVMs  
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TYPICAL APPLICATION  
2.7V TO 5.5V  
V
CC  
1µF  
V
CC  
1µF  
= INTERNAL OSC/50Hz REJECTION  
2
14  
= EXTERNAL CLOCK SOURCE  
= INTERNAL OSC/60Hz REJECTION  
V
F
O
CC  
LTC2410  
2
3
+
REF  
V
12 SDO  
13 SCK  
11 CS  
CC  
3
4
+
BRIDGE  
IMPEDANCE  
100Ω TO 10k  
13  
REFERENCE  
VOLTAGE  
REF  
REF  
5
+
SCK  
IN  
IN  
3-WIRE  
SPI INTERFACE  
LTC2410  
GND  
6
0.1V TO V  
CC  
3-WIRE  
SPI INTERFACE  
5
6
12  
11  
4
+
ANALOG INPUT RANGE  
REF  
IN  
SDO  
F
O
–0.5V  
TO 0.5V  
REF  
REF  
1, 7, 8  
14  
IN  
CS  
1, 7, 8, 9, 10, 15, 16  
9, 10,  
GND  
15, 16  
2410 TA01  
2410 TA02  
2410fa  
1
For more information www.linear.com/LTC2410  

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