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參數資料
| 型號： | DC1009A-A |
| 廠商： | Linear Technology |
| 文件頁數： | 1/36頁 |
| 文件大小： | 0K |
| 描述： | BOARD DELTA SIGMA ADC LTC2492 |
| 軟件下載： | QuikEval System |
| 設計資源： | DC1009A Design File DC1009A Schematic |
| 標準包裝： | 1 |
| 系列： | Easy Drive™, QuikEval™ |
| ADC 的數量： | 1 |
| 位數： | 24 |
| 采樣率（每秒）： | 7.5 |
| 數據接口： | MICROWIRE?，串行，SPI? |
| 已用 IC / 零件： | LTC2492 |
| 已供物品： | 板 |
| 相關產品： | LTC2492CDE#TRPBF-ND - IC ADC 24BIT DELTA SIG 14-DFN LTC2492IDE#TRPBF-ND - IC ADC 24BIT DELTA SIG 14-DFN LTC2492IDE#PBF-ND - IC ADC 24BIT DELTA SIG 14-DFN LTC2492CDE#PBF-ND - IC ADC 24BIT DELTA SIG 14-DFN |
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LTC2492
1
2492fd
TEMPERATURE (°C)
–55
–30
– 5
ABSOLUTE
ERROR
(°C)
5
4
3
2
1
–4
–3
–2
–1
0
120
95
70
45
20
2492 TA01b
–5
TYPICAL APPLICATION
FEATURES
APPLICATIONS
DESCRIPTION
24-Bit 2-/4-Channel
ΔΣ
ADC with Easy Drive Input
Current Cancellation
The LTC2492 is a 4-channel (2-channel differential),
24-bit, No Latency Δ∑ 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 LTC2492 includes a high accuracy temperature sensor
and 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 dif-
ferential modes) or its internal temperature sensor. It can
be programmed to reject line frequencies of 50Hz, 60Hz,
or simultaneous 50Hz/60Hz and congured to double
its output rate. The integrated temperature sensor offers
1/30th°C resolution and 2°C absolute accuracy.
The LTC2492 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.
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
■
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
■
600nVRMS Noise
■
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 80μA 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 DFN 4mm
× 3mm 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
10μF
COM
REF –
24-BIT Δ∑ ADC
WITH EASY-DRIVE
4-CHANNEL
MUX
TEMPERATURE
SENSOR
IN+
IN–
2492 TA01a
4-WIRE
SPI INTERFACE
CH0
CH1
CH3
CH2
0.1μF
OSC
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相關代理商/技術參數 |
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|---|---|
| DC1009A-B | 功能描述:BOARD DELTA SIGMA ADC LTC2488 RoHS:是 類別:編程器，開發系統 >> 評估板 - 模數轉換器 (ADC) 系列:Easy Drive™, QuikEval™ 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- ADC 的數量:1 位數:12 采樣率（每秒）:94.4k 數據接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標準）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| DC1009A-C | 功能描述:BOARD DELTA SIGMA ADC LTC2486 RoHS:是 類別:編程器，開發系統 >> 評估板 - 模數轉換器 (ADC) 系列:Easy Drive™, QuikEval™ 產品培訓模塊:Obsolescence Mitigation Program 標準包裝:1 系列:- ADC 的數量:1 位數:12 采樣率（每秒）:94.4k 數據接口:USB 輸入范圍:±VREF/2 在以下條件下的電源（標準）:- 工作溫度:-40°C ~ 85°C 已用 IC / 零件:MAX11645 已供物品:板，軟件 |
| DC100A10 | 功能描述:固態繼電器-工業安裝 SSR DC OUTPUT 10A 90-140VAC RoHS:否 制造商:Crydom 控制電壓范圍:4 VDC to 32 VDC 負載電壓額定值:7 VDC to 72 VDC 負載電流額定值:160 A 觸點形式: 輸出設備:SSR 安裝風格:Panel |
| DC100A10C | 功能描述:固態繼電器-工業安裝 SSR DC OUTPUT 10A 90-140VAC RoHS:否 制造商:Crydom 控制電壓范圍:4 VDC to 32 VDC 負載電壓額定值:7 VDC to 72 VDC 負載電流額定值:160 A 觸點形式: 輸出設備:SSR 安裝風格:Panel |
| DC100A20 | 功能描述:固態繼電器-工業安裝 SSR DC OUTPUT 20A 90-140VAC RoHS:否 制造商:Crydom 控制電壓范圍:4 VDC to 32 VDC 負載電壓額定值:7 VDC to 72 VDC 負載電流額定值:160 A 觸點形式: 輸出設備:SSR 安裝風格:Panel |
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