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LTC2411

更新时间： 2023-12-20 18:46:19
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
42页 583K
描述
采用 MSOP 封装并具差分输入和基准的 24 位、无延迟增量累加 ΔΣ ADC

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中文翻译

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LTC2411 数据手册

 浏览型号LTC2411的Datasheet PDF文件第2页浏览型号LTC2411的Datasheet PDF文件第3页浏览型号LTC2411的Datasheet PDF文件第4页浏览型号LTC2411的Datasheet PDF文件第5页浏览型号LTC2411的Datasheet PDF文件第6页浏览型号LTC2411的Datasheet PDF文件第7页 
LTC2411/LTC2411-1  
24-Bit No Latency ∆Σ™ ADC  
with Differential Input and  
Reference in MSOP  
DESCRIPTION  
FEATURES  
The LTC®2411/LTC2411-1 are 2.7V to 5.5V micropower  
24-bit differential ∆Σ analog-to-digital converters with  
an integrated oscillator, 2ppm INL and 0.29ppm RMS  
noise.Theyusedelta-sigmatechnologyandprovidesingle  
cycle settling time for multiplexed applications. Through  
a single pin, the LTC2411 can be configured for better  
than 110dB differential mode rejection at 50Hz or 60Hz  
2ꢀ, and the LTC2411-1 can provide better than 87dB  
input differential mode rejection over the range of 49Hz  
to 61.2Hz, or they can be driven by an external oscillator  
for a user-defined rejection frequency. The LTC2411 and  
LTC2411-1 are identical when driven by an external oscil-  
lator.Theinternaloscillatorrequiresnoexternalfrequency  
setting components.  
n
24-Bit ADC in an MS10 Package  
n
Low Supply Current (200µA in Conversion Mode  
and 4µA in Autosleep Mode)  
n
Differential Input and Differential Reference with  
GND to V Common Mode Range  
CC  
n
n
n
n
2ppm INL, No Missing Codes  
4ppm Full-Scale Error and 1ppm Offset  
0.29ppm Noise  
No Latency: Digital Filter Settles in a Single Cycle.  
Each Conversion Is Accurate, Even After an  
Input Step  
Single Supply 2.7V to 5.5V Operation  
Internal Oscillator—No External Components  
Required  
110dB Min, Pin Selectable 50Hz/60Hz Notch Filter  
(LTC2411)  
Simultaneous 50Hz/60Hz Rejection (LTC2411-1)  
n
n
n
n
The converters accept any external differential reference  
voltage from 0.1V to V for flexible ratiometric and re-  
CC  
mote sensing measurementconfigurations. The full-scale  
differential input range is from –0.5V  
reference common mode voltage, V  
to 0.5V . The  
REFCM  
, may be independently set  
REF  
REF  
APPLICATIONS  
, and the input  
common mode voltage, V  
INCM  
n
Direct Sensor Digitizer  
anywhere within the GND to V range of the LTC2411/  
CC  
n
Weight Scales  
LTC2411-1. The DC common mode input rejection is  
n
Direct Temperature Measurement  
Gas Analyzers  
Strain Gauge Transducers  
Instrumentation  
Data Acquisition  
Industrial Process Control  
6-Digit DVMs  
better than 140dB.  
n
n
The LTC2411/LTC2411-1 communicate through a flexible  
3-wire digital interface that is compatible with SPI and  
MICROWIRE 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.  
n
n
n
n
TYPICAL APPLICATION  
V
2.7V TO 5.5V  
CC  
1µF  
V
CC  
1µF  
= INTERNAL OSC/50Hz REJECTION (LTC2411)  
1
10  
= EXTERNAL CLOCK SOURCE  
V
F
O
CC  
LTC2411/  
= INTERNAL OSC/60Hz REJECTION (LTC2411)  
1
= SIMULTANEOUS 50Hz/60Hz REJECTION (LTC2411-1)  
2
+
LTC2411-1  
+
REF  
V
CC  
9
8
7
SCK  
SDO  
CS  
BRIDGE  
IMPEDANCE  
100Ω TO 10kΩ  
2
3
4
9
REFERENCE  
VOLTAGE  
+
REF  
REF  
3-WIRE  
SPI  
INTERFACE  
IN  
IN  
SCK  
LTC2411/  
LTC2411-1  
5
–
–
0.1V TO V  
CC  
3-WIRE  
SPI INTERFACE  
–
3
REF  
4
5
6
8
7
GND  
6
F
O
+
ANALOG INPUT RANGE  
IN  
SDO  
–0.5V  
TO 0.5V  
REF  
REF  
10  
–
IN  
CS  
2411 TA02  
GND  
2411 TA01  
2411fa  
1
For more information www.linear.com/LTC2411  
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