參數(shù)資料
型號(hào)： LTC2488IDE#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(yè)數(shù)： 1/28頁(yè)
文件大?。?/td> 427K
代理商： LTC2488IDE#TR
LTC2488
1
2488f
RSOURCE ()
1
+FS
ERROR
(ppm)
–20
0
20
1k
100k
2488 TA01b
–40
–60
–80
10
100
10k
40
60
80
VCC = 5V
VREF = 5V
VIN
+ = 3.75V
VIN
– = 1.25V
FO = GND
TA = 25°C
CIN = 1F
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
16-Bit 2-/4-Channel ΔΣ
ADC with Easy Drive Input
Current Cancellation
The LTC2488 is a 4-channel (2-channel differential), 16-
bit, No Latency ΔΣ ADC with Easy Drive technology.
The patented sampling scheme eliminates dynamic input
current errors and the shortcomings of on-chip buffering
through automatic cancellation of differential input current.
This allows large external source impedances and rail-to-
rail input signals to be directly digitized while maintaining
exceptional DC accuracy.
The LTC2488 includes an integrated oscillator. This device
can be congured to measure an external signal from
combinations of 4 analog input channels operating in single
ended or differential modes. It automatically rejects line
frequencies of 50Hz and 60Hz simultaneously.
The LTC2488 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 rst conversion after a new channel
selection is valid.
Data Acquisition System
, LT, LTC and LTM are registered trademarks of Linear Technology Corporation.
No Latency
Σ 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 (0.02LSB Transition Noise)
■
GND to VCC Input/Reference Common Mode Range
■
Simultaneous 50Hz/60Hz Rejection
■
2ppm INL, No Missing Codes
■
1ppm Offset and 15ppm Full-Scale Error
■
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
Fullscale Error vs Source Resistance
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
IN+
IN–
2488 TA01a
4-WIRE
SPI INTERFACE
CH0
CH1
CH3
CH2
0.1
F
OSC
相關(guān)PDF資料
PDF描述
LTC2488CDE#TR 4-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PQCC14
LTC2488IDE 4-CH 16-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PQCC14
LTC2492CDE#TR 4-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO14
LTC2492CDE 4-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO14
LTC2492IDE 4-CH 24-BIT DELTA-SIGMA ADC, SERIAL ACCESS, PDSO14
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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LTC2489CDE#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(gè)單端，雙極；8 個(gè)差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494
LTC2489IDE 制造商:Linear Technology 功能描述:ADC Single Delta-Sigma 7.5sps 16-bit Serial 14-Pin DFN EP
LTC2489IDE#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(gè)單端，單極 產(chǎn)品目錄頁(yè)面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6
LTC2489IDE#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(gè)單端，雙極；8 個(gè)差分，雙極 配用:DC1011A-C-ND - BOARD DELTA SIGMA ADC LTC2494
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