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參數(shù)資料
| 型號(hào)： | DC1010A-B |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 1/24頁 |
| 文件大小： | 0K |
| 描述： | BOARD DELTA SIGMA ADC LTC2489 |
| 軟件下載： | QuikEval System |
| 設(shè)計(jì)資源： | DC1010A Design File DC1010A Schematic |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | Easy Drive™, QuikEval™ |
| ADC 的數(shù)量： | 1 |
| 位數(shù)： | 16 |
| 采樣率（每秒）： | 7.5 |
| 數(shù)據(jù)接口： | I²C，串行 |
| 已用 IC / 零件： | LTC2489 |
| 已供物品： | 板 |
| 相關(guān)產(chǎn)品： | LTC2489IDE#TRPBF-ND - IC ADC 16BIT DELTA SIG 14-DFN LTC2489CDE#TRPBF-ND - IC ADC 16BIT DELTA SIG 14-DFN LTC2489CDE#PBF-ND - IC ADC 16BIT DELTA SIG 14-DFN LTC2489IDE#PBF-ND - IC ADC 16BIT DELTA SIG 14-DFN |
LTC2489
1
2489fa
16-Bit 2-/4-Channel
ΔΣ ADC
with Easy Drive Input Current
Cancellation and I2C Interface
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
The LTC2489 is a 4-channel (2-channel differential),
16-bit, No Latency
ΔΣ ADC with Easy Drive technology
and a 2-wire, I2C interface. The patented sampling scheme
eliminates dynamic input current errors and the shortcom-
ings 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 LTC2489 includes an integrated oscillator. This device
can be configured to measure an external signal from com-
binations of 4 analog input channels operating in single-
ended or differential modes. It automatically rejects line
frequencies of 50Hz and 60Hz simultaneously.
The LTC2489 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 is
selected, is valid. Access to the multiplexer output enables
optional external amplifiers to be shared between all
analog inputs and auto calibration continuously removes
their associated offset and drift.
L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and
Easy Drive and No Latency
ΔΣ are trademarks of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
Data Acquisition System with Temperature Compensation
n Up to 2 Differential or 4 Single-Ended Inputs
n Easy DriveTM Technology Enables Rail-to-Rail
Inputs with Zero Differential Input Current
n Directly Digitizes High Impedance Sensors with
Full Accuracy
n 2-Wire I2C Interface with 9 Addresses Plus One
Global Address for Synchronization
n 600nV RMS Noise (0.02LSB Transition Noise)
n GND to VCC Input/Reference Common Mode Range
n Simultaneous 50Hz/60Hz Rejection
n 2ppm INL, No Missing Codes
n 1ppm Offset and 15ppm Full-Scale Error
n No Latency: Digital Filter Settles in a Single Cycle,
Even After a New Channel is Selected
n Single Supply, 2.7V to 5.5V Operation (0.8mW)
n Internal Oscillator
n Tiny 4mm
× 3mm DFN Package
n Direct Sensor Digitizer
n Direct Temperature Measurement
n Instrumentation
n Industrial Process Control
+FS Error vs RSOURCE at IN+ and IN–
SDA
SCL
fO
REF+
VCC
2.7V TO 5.5V
0.1μF
COM
REF–
16-BIT
ADC
WITH EASY-DRIVE
4-CHANNEL
MUX
IN+
IN–
2489 TA01a
2-WIRE
I2C INTERFACE
1.7k
CA1
CA0
9-PIN SELECTABLE
ADDRESSES
CH0
CH1
CH3
CH2
10μF
OSC
RSOURCE (Ω)
1
+FS
ERROR
(ppm)
–20
0
20
1k
100k
2489 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 = 1μF
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參數(shù)描述 |
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| DC1010A-C | 功能描述:BOARD DELTA SIGMA ADC LTC2487 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:Easy Drive™, QuikEval™ 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| DC1010CA | 制造商:DIGITAL 功能描述: |
| DC1010EL07 WAF | 制造商:ON Semiconductor 功能描述: |
| DC-101-1 | 制造商:INTRONICS 制造商全稱:INTRONICS 功能描述:1 WATT SINGLE OUTPUT DC-DC CONVERTERS |
| DC1011A-A | 功能描述:BOARD DELTA SIGMA ADC LTC2498 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評(píng)估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:Easy Drive™, QuikEval™ 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- ADC 的數(shù)量:1 位數(shù):12 采樣率（每秒）:94.4k 數(shù)據(jù)接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標(biāo)準(zhǔn)）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
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