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參數(shù)資料
| 型號： | LTC2486IDE#TR |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | ADC |
| 英文描述： | 4-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PQCC14 |
| 封裝： | 4 X 3 MM, PLASTIC, MO-229WGED-3, QFN-14 |
| 文件頁數(shù)： | 1/36頁 |
| 文件大?。?/td> | 659K |
| 代理商： | LTC2486IDE#TR |
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LTC2486
2486fa
Typical applicaTion
FeaTures
applicaTions
DescripTion
16-Bit 2-/4-Channel
ΔS ADC
with PGA and Easy Drive
Input Current Cancellation
The LTC2486 is a 4-channel (2-channel differential),
16-bit,NoLatency
ΔSADCwithEasyDrivetechnology.
The patented sampling scheme eliminates dynamic input
current errors and the shortcomings of on-chip buffering
throughautomaticcancellationofdifferentialinputcurrent.
This allows large external source impedances and rail-to-
rail input signals to be directly digitized while maintaining
exceptional DC accuracy.
TheLTC2486includesprogrammablegain,ahighaccuracy
temperature sensor, and an integrated oscillator. This de-
vice can be configured to measure an external signal (from
combinationsof4analoginputchannelsoperatinginsingle
endedordifferentialmodes)oritsinternaltemperaturesen-
sor.Itcanbeprogrammedtorejectlinefrequenciesof50Hz,
60Hz,orsimultaneous50Hz/60Hz,provideaprogrammable
gain from 1 to 256 in 8 steps, and configured to double its
outputrate.Theintegratedtemperaturesensoroffers1/2°C
resolutionand2°Cabsoluteaccuracy.
The LTC2486 allows a wide common mode input range
(0V to VCC), independent of the reference voltage. Any
combination of single-ended or differential inputs can
be selected and the first conversion after a new channel
selection is valid.
Data Acquisition System with Temperature Compensation
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
No Latency
ΔS and Easy Drive are trademarks of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
■
Up to 2 Differential or 4 Single-Ended Inputs
■
Easy Drive Technology Enables Rail-to-Rail Inputs
with Zero Differential Input Current
■
Directly Digitizes High Impedance Sensors with
Full Accuracy
■
600nV RMS Noise
■
Programmable Gain from 1 to 256
■
Integrated High Accuracy Temperature Sensor
■
GND to VCC Input/Reference Common Mode Range
■
Programmable 50Hz, 60Hz, or Simultaneous
50Hz/60Hz Rejection Mode
■
2ppm INL, No Missing Codes
■
1ppm Offset and 15ppm Full-Scale Error
■
2x Speed Mode/Reduced Power Mode (15Hz Using
Internal Oscillator and 80A at 7.5Hz Output)
■
No Latency: Digital Filter Settles in a Single Cycle,
Even After a New Channel is Selected
■
Single Supply 2.7V to 5.5V Operation (0.8mW)
■
Internal Oscillator
■
Tiny 4mm
× 3mm DFN Package
■
Direct Sensor Digitizer
■
Direct Temperature Measurement
■
Instrumentation
■
Industrial Process Control
Absolute Temperature Error
SDI
SCK
SDO
CS
FO
REF+
VCC
2.7V TO 5.5V
10
F
COM
REF–
16-BIT
Σ ADC
WITH EASY-DRIVE
4-CHANNEL
MUX
TEMPERATURE
SENSOR
IN+
IN–
2486 TA01a
4-WIRE
SPI INTERFACE
CH0
CH1
CH3
CH2
0.1
F
OSC
TEMPERATURE (
°C)
–55 –30
–5
ABSOLUTE
ERROR
(°
C)
5
4
3
2
1
–4
–3
–2
–1
0
120
95
70
45
20
2486 TA01b
–5
相關(guān)PDF資料 |
PDF描述 |
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| LTC2486CDE#TR | 4-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PQCC14 |
| LTC2488CDE | 4-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PQCC14 |
| LTC2488IDE#TR | 4-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PQCC14 |
| LTC2488CDE#TR | 4-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PQCC14 |
| LTC2488IDE | 4-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PQCC14 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| LTC2487CDE#PBF | 功能描述:IC ADC 16BIT DELTA SIG 14-DFN RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 位數(shù):16 采樣率（每秒）:45k 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 功率耗散（最大）:315mW 電壓電源:模擬和數(shù)字 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:28-SOIC W 包裝:帶卷 (TR) 輸入數(shù)目和類型:2 個單端，單極 |
| LTC2487CDE#TRPBF | 功能描述:IC ADC 16BIT DELTA SIG 14-DFN RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:480µW 電壓電源:單電源 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:38-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)目和類型:16 個單端，雙極；8 個差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
| LTC2487IDE#PBF | 功能描述:IC ADC 16BIT DELTA SIG 14-DFN RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| LTC2487IDE#TRPBF | 功能描述:IC ADC 16BIT DELTA SIG 14-DFN RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據(jù)接口:MICROWIRE?，串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:480µW 電壓電源:單電源 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:38-WFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:38-QFN（5x7） 包裝:帶卷 (TR) 輸入數(shù)目和類型:16 個單端，雙極；8 個差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494 |
| LTC2488CDE#PBF | 功能描述:IC ADC 16BIT DELTA SIG 14-DFN RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 模數(shù)轉(zhuǎn)換器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據(jù)接口:串行，SPI? 轉(zhuǎn)換器數(shù)目:1 功率耗散（最大）:- 電壓電源:模擬和數(shù)字 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-VQFN 裸露焊盤（4x4） 包裝:Digi-Reel® 輸入數(shù)目和類型:8 個單端，單極 產(chǎn)品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
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