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參數(shù)資料
| 型號： | LTC2480 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | 16-Bit ADC with Easy Drive |
| 中文描述： | 16位ADC的易道 |
| 文件頁數(shù)： | 1/40頁 |
| 文件大?。?/td> | 535K |
| 代理商： | LTC2480 |
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1
LTC2480
2480f
■
Direct Sensor Digitizer
■
Weight Scales
■
Direct Temperature Measurement
■
Strain Gauge Transducers
■
Instrumentation
■
Industrial Process Control
■
DVMs and Meters
16-Bit
Σ
ADC with Easy Drive
Input Current Cancellation
■
Easy Drive Technology Enables Rail-to-Rail Inputs
with Zero Differential Input Current
■
Directly Digitizes High Impedance Sensors with
Full Accuracy
■
Programmable Gain from 1 to 256
■
Integrated Temperature Sensor
■
GND to V
CC
Input/Reference Common Mode Range
■
Programmable 50Hz, 60Hz or Simultaneous
50Hz/60Hz Rejection Mode
■
2ppm (0.25LSB) INL, No Missing Codes
■
1ppm Offset and 15ppm Full-Scale Error
■
Selectable 2x Speed Mode (15Hz Using Internal
Oscillator)
■
No Latency: Digital Filter Settles in a Single Cycle
■
Single Supply 2.7V to 5.5V Operation
■
Internal Oscillator
■
Available in a Tiny (3mm
×
3mm) 10-Lead
DFN Package
APPLICATIU
FEATURES
DESCRIPTIOU
The LTC
2480 combines a 16-bit plus sign No Latency
Σ
TM
analog-to-digital converter with patented Easy Drive
TM
tech-
nology. The patented sampling scheme eliminates dynamic
input current errors and the shortcomings of on-chip buff-
ering through automatic cancellation of differential input
current. This allows large external source impedances and
input signals, with rail-to-rail input range to be directly digi-
tized while maintaining exceptional DC accuracy.
The LTC2480 includes on-chip programmable gain, a
temperature sensor and an oscillator. The LTC2480 can be
configured to provide a programmable gain from 1 to 256
in 8 steps, measure an external signal or internal tempera-
ture sensor and reject line frequencies. 50Hz, 60Hz or
simultaneous 50Hz/60Hz line frequency rejection can be
selected as well as a 2x speed-up mode.
The LTC2480 allows a wide common mode input range
(0V to V
CC
) independent of the reference voltage. The
reference can be as low as 100mV or can be tied directly
to V
CC
. The LTC2480 includes an on-chip trimmed oscil-
lator eliminating the need for external crystals or oscilla-
tors. Absolute accuracy and low drift are automatically
maintained through continuous, transparent, offset and
full-scale calibration.
TYPICAL APPLICATIO
U
LTC2480
V
IN
+
V
REF
V
CC
V
CC
GND
F
O
V
IN
–
1
μ
F
SDO
4-WIRE
SPI INTERFACE
1
μ
F
10k
I
DIFF
= 0
10k
SCK
2480 TA01
CS
SDI
SENSE
R
SOURCE
(
)
1
+
–20
0
20
1k
100k
2480 TA04
–40
–60
–80
10
100
10k
40
60
80
V
CC
= 5V
V
= 5V
V
REF
= 3.75V
V
IN–
= 1.25V
F
O
= GND
T
A
= 25
°
C
C
IN
= 1
μ
F
+FS Error vs R
SOURCE
at IN
+
and IN
–
, LTC and LT 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.
Patent Pending.
相關PDF資料 |
PDF描述 |
|---|---|
| LTC2480IDD | 16-Bit ADC with Easy Drive |
| LTC2480CDD | 16-Bit ADC with Easy Drive |
| LTC2486 | 16-Bit 2-/4-Channel ツヒ ADC with PGA and Easy Drive Input Current Cancellation |
| LTC2486CDE | 16-Bit 2-/4-Channel ツヒ ADC with PGA and Easy Drive Input Current Cancellation |
| LTC2486IDE | 16-Bit 2-/4-Channel ツヒ ADC with PGA and Easy Drive Input Current Cancellation |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LTC2480CDD | 制造商:Linear Technology 功能描述:ADC Single Delta-Sigma 7.5sps 16-bit Serial 10-Pin DFN EP |
| LTC2480CDD#PBF | 功能描述:IC ADC 16BIT 10-DFN RoHS:是 類別:集成電路 (IC) >> 數(shù)據采集 - 模數(shù)轉換器 系列:- 標準包裝:1 系列:microPOWER™ 位數(shù):8 采樣率（每秒）:1M 數(shù)據接口:串行，SPI? 轉換器數(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 供應商設備封裝: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 產品目錄頁面:892 (CN2011-ZH PDF) 其它名稱:296-25851-6 |
| LTC2480CDD#TR | 制造商:Linear Technology 功能描述:ADC Single Delta-Sigma 7.5sps 16-bit Serial 10-Pin DFN EP T/R |
| LTC2480CDD#TRPBF | 功能描述:IC ADC 16BIT 10-DFN RoHS:是 類別:集成電路 (IC) >> 數(shù)據采集 - 模數(shù)轉換器 系列:- 標準包裝:2,500 系列:- 位數(shù):16 采樣率（每秒）:15 數(shù)據接口:MICROWIRE?，串行，SPI? 轉換器數(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 供應商設備封裝: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 |
| LTC2480CDDPBF | 制造商:Linear Technology 功能描述:16-Bit ADC Easy Drive Current Canc.DFN10 |
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