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參數(shù)資料
| 型號： | DC1010A-B |
| 廠商： | Linear Technology |
| 文件頁數(shù)： | 5/24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(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
13
2489fa
Figure 3a. Timing Diagram for Reading from the LTC2489
Figure 3b. Timing Diagram for Writing to the LTC2489
The first input bit (SGL) following the 101 sequence de-
termines if the input selection is differential (SGL = 0) or
single-ended (SGL = 1). For SGL = 0, two adjacent chan-
nels can be selected to form a differential input. For SGL
= 1, one of 4 channels is selected as the positive input.
The negative input is COM for all single-ended operations.
The remaining four bits (ODD, A2, A1, A0) determine
which channel(s) is/are selected and the polarity (for a
differential input).
Initiating a New Conversion
When the LTC2489 finishes a conversion, it automatically
enters the sleep state. Once in the sleep state, the device is
ready for a read operation. After the device acknowledges
a read request, the device exits the sleep state and enters
the data output state. The data output state concludes and
the LTC2489 starts a new conversion once a Stop condi-
tion is issued by the master or all 24 bits of data are read
out of the device.
During the data read cycle, a Stop command may be issued
by the master controller in order to start a new conversion
and abort the data transfer. This Stop command must be
issued during the ninth clock cycle of a byte read when
the bus is free (the ACK/NAK cycle).
LTC2489 Address
The LTC2489 has two address pins (CA0, CA1). Each may
be tied high, low, or left floating enabling one of 9 possible
addresses (see Table 4).
In addition to the configurable addresses listed in Table 4,
the LTC2489 also contains a global address (1110111)
which may be used for synchronizing multiple LTC2489s or
other LTC24XX delta-sigma I2C devices, (See Synchronizing
Multiple LTC2489s with Global Address Call section).
APPLICATIONS INFORMATION
SLEEP
DATA OUTPUT
ACK BY
LTC2489
ACK BY
MASTER
ALWAYS LOW
START BY
MASTER
NAK BY
MASTER
LSB
R
MSB
SIG
D23
7
…
89
1
2
9
1
2
3
4
5
6
7
8
9
1
7-BIT
ADDRESS
2489 F03a
SCL
SDA
ACK BY
LTC2489
ACK BY
LTC2489
NAK BY
LTC2489
START BY
MASTER
SGL ODD
W
0
1
SCL
SDA
EN
A2
A1
A0
7
…8
9
2
1
2
3
4
5
6
7
8
9
1
7-BIT ADDRESS
2489 F03b
XX
X
XX
X
SLEEP
DATA INPUT
19
23
4
5
6
7
8
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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(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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