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參數(shù)資料
| 型號： | DC1010A-B |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 7/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD DELTA SIGMA ADC LTC2489 |
| 軟件下載： | QuikEval System |
| 設(shè)計資源： | DC1010A Design File DC1010A Schematic |
| 標準包裝： | 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
15
2489fa
Figure 6. Write, Read, Start Conversion
Figure 7. Start a New Conversion Without Reading Old Conversion Result
APPLICATIONS INFORMATION
Figure 6 shows a cycle which begins with a data Write,
a repeated Start, followed by a Read and concluded with
a Stop command. The following conversion begins after
all 24 bits are read out of the device or after a Stop com-
mand. The following conversion will be performed using
the newly programmed data.
Discarding a Conversion Result and Initiating a New
Conversion with Optional Write
At the conclusion of a conversion cycle, a write cycle
can be initiated. Once the write cycle is acknowledged, a
Stop command will start a new conversion. If a new input
channel is required, this data can be written into the device
and a Stop command will initiate the next conversion (see
Figure 7).
Synchronizing Multiple LTC2489s with a Global
Address Call
In applications where several LTC2489s (or other I2C
delta-sigma ADCs from Linear Technology Corporation)
are used on the same I2C bus, all converters can be syn-
chronized through the use of a global address call. Prior
to issuing the global address call, all converters must have
completed a conversion cycle. The master then issues a
Start, followed by the global address 1110111, and a write
request. All converters will be selected and acknowledge
the request. The master then sends a write byte (optional)
followed by the Stop command. This will update the chan-
nel selection (optional) and simultaneously initiate a start
of conversion for all delta-sigma ADCs on the bus (see
Figure 8). In order to synchronize multiple converters
Figure 8. Synchronize Multiple LTC2489s with a Global Address Call
7-BIT ADDRESS
S
R
W ACK
ACK
WRITE
Sr
P
READ
2489 F06
CONVERSION
ADDRESS
SLEEP
DATA OUTPUT
DATA INPUT
7-BIT ADDRESS
S
W ACK
WRITE (OPTIONAL)
P
2489 F07
CONVERSION
SLEEP
DATA INPUT
GLOBAL ADDRESS
SCL
SDA
S
W ACK
WRITE (OPTIONAL)
P
2489 F08
…
LTC2489
ALL LTC2489s IN SLEEP
CONVERSION OF ALL LTC2489s
DATA INPUT
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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) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:Easy Drive™, QuikEval™ 產(chǎn)品培訓模塊:Obsolescence Mitigation Program 標準包裝: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（標準）:- 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) >> 評估板 - 模數(shù)轉(zhuǎn)換器 (ADC) 系列:Easy Drive™, QuikEval™ 產(chǎn)品培訓模塊:Obsolescence Mitigation Program 標準包裝: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（標準）:- 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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