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LTC2402IMS#TR PDF预览

LTC2402IMS#TR

更新时间: 2024-01-16 07:29:47
品牌 Logo 应用领域
凌特 - Linear /
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32页 351K
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LTC2402IMS#TR 数据手册

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LTC2401/LTC2402  
1-/2-Channel 24-Bit µPower  
No Latency ∆ΣTMADCs in MSOP-10  
U
FEATURES  
DESCRIPTIO  
TheLTC®2401/LTC2402are1-and2-channel2.7Vto5.5V  
micropower 24-bit analog-to-digital converters with an  
integrated oscillator, 4ppm INL and 0.6ppm RMS noise.  
These ultrasmall devices use delta-sigma technology and  
anewdigitalfilterarchitecturethatsettlesinasinglecycle.  
This eliminates the latency found in conventional ∆Σ  
converters and simplifies multiplexed applications.  
24-Bit ADCs in Tiny MSOP-10 Packages  
4ppm INL, No Missing Codes  
4ppm Full-Scale Error  
0.5ppm Offset  
0.6ppm Noise  
Single Conversion Settling Time for  
Multiplexed Applications  
1- or 2-Channel Inputs  
Automatic Channel Selection (Ping-Pong) (LTC2402)  
Zero Scale and Full Scale Set for Reference  
and Ground Sensing  
Internal Oscillator—No External Components Required  
110dB Min, 50Hz/60Hz Notch Filter  
Reference Input Voltage: 0.1V to VCC  
Live Zero—Extended Input Range Accommodates  
12.5% Overrange and Underrange  
Single Supply 2.7V to 5.5V Operation  
Through a single pin, the LTC2401/LTC2402 can be  
configured for better than 110dB rejection at 50Hz or  
60Hz ±2%, or can be driven by an external oscillator for  
a user defined rejection frequency in the range 1Hz to  
120Hz. The internal oscillator requires no external fre-  
quency setting components.  
These converters accept an external reference voltage  
from 0.1V to VCC. With an extended input conversion  
range of –12.5% VREF to 112.5% VREF (VREF = FSSET –  
ZSSET), the LTC2401/LTC2402 smoothly resolve the off-  
set and overrange problems of preceding sensors or  
signal conditioning circuits.  
Low Supply CurrUent (200µA) and Auto Shutdown  
APPLICATIO S  
The LTC2401/LTC2402 communicate through a 2- or  
3-wire digital interface that is compatible with SPI and  
MICROWIRETM protocols.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
No Latency ∆Σ is a trademark of Linear Technology Corporation.  
MICROWIRE is a trademark of National Semiconductor Corporation.  
Weight Scales  
Direct Temperature Measurement  
Gas Analyzers  
Strain Gauge Transducers  
Instrumentation  
Data Acquisition  
Industrial Process Control  
U
TYPICAL APPLICATIO  
Pseudo Differential Bridge Digitizer  
2.7V TO 5.5V  
2.7V TO 5.5V  
V
CC  
1µF  
1
2
4
3
5
= INTERNAL OSC/50Hz REJECTION  
V
1
10  
CC  
= EXTERNAL CLOCK SOURCE  
= INTERNAL OSC/60Hz REJECTION  
V
F
O
CC  
LTC2402  
LTC2402  
SET  
FS  
9
SCK  
SDO  
CS  
2
3
4
5
9
8
7
6
REFERENCE VOLTAGE  
ZS + 0.1V TO V  
FS  
SET  
SCK  
SDO  
CS  
SET  
CC  
8
3-WIRE  
SPI INTERFACE  
CH0  
CH1  
ZS  
3-WIRE  
SPI INTERFACE  
ANALOG INPUT RANGE  
CH1  
CH0  
ZS  
ZS  
– 0.12V  
SET  
= FS  
TO  
SET  
FS  
REF  
+ 0.12V  
SET  
7
REF  
(V  
REF  
– ZS  
)
SET  
10  
F
O
SET  
INTERNAL OSCILLATOR  
60Hz REJECTION  
0V TO FS  
– 100mV  
GND  
SET  
SET  
GND  
6
24012 TA01  
24012TA02  
1

LTC2402IMS#TR 替代型号

型号 品牌 替代类型 描述 数据表
LTC2402CMS Linear

完全替代

1-/2-Channel 24-Bit uPower No Latency ADC in MSOP-10
ADS1245IDGST TI

类似代替

Low-Power, 24-Bit Analog-to-Digital Converter`

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