參數(shù)資料
型號: LTC2493IDE#TRPBF
廠商: Linear Technology
文件頁數(shù): 14/32頁
文件大?。?/td> 0K
描述: IC ADC 24BIT DELTA SIG 14-DFN
標準包裝: 2,500
位數(shù): 24
采樣率(每秒): 15
數(shù)據(jù)接口: I²C,串行
轉(zhuǎn)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: 14-WFDFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 14-DFN-EP(4x3)
包裝: 帶卷 (TR)
輸入數(shù)目和類型: 4 個單端,雙極;2 個差分,雙極
配用: DC1010A-A-ND - BOARD DELTA SIGMA ADC LTC2493
LTC2493
21
2493fd
7-BIT ADDRESS
S
R
ACK
READ
P
2493 F07
CONVERSION
SLEEP
DATA OUTPUT
DATA INPUT
SLEEP
7-BIT ADDRESS
S
R
W ACK
ACK
WRITE
Sr
P
READ
2493 F08
CONVERSION
ADDRESS
SLEEP
DATA OUTPUT
DATA INPUT
7-BIT ADDRESS
S
W ACK
WRITE (OPTIONAL)
P
2493 F09
CONVERSION
SLEEP
DATA INPUT
Figure 7. Consecutive Reading with the Same Input/Configuration
Figure 8. Write, Read, START Conversion
Figure 9. Start a New Conversion Without Reading Old Conversion Result
applicaTions inForMaTion
Continuous Read/Write
Once the conversion cycle is concluded, the LTC2493
can be written to and then read from using the repeated
START (Sr) command.
Figure 8 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 32 bits are read out of the device or after a STOP com-
mand.Thefollowingconversionwillbeperformedusingthe
newly programmed data. In cases where the same speed
(1×/2× mode) and rejection frequency (50Hz, 60Hz, 50Hz
and 60Hz) is used but the channel is changed, a STOP or
repeated START may be issued after the first byte (channel
selection data) is written into the device.
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 or conversion configuration is required, this data
can be written into the device and a STOP command will
initiate the next conversion (see Figure 9).
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