参数资料
型号: DC1266A-A
厂商: Linear Technology
文件页数: 2/18页
文件大小: 0K
描述: BOARD DELTA SIGMA ADC LTC2453
软件下载: QuikEval System
设计资源: DC1266A Design File
DC1266A Schematic
标准包装: 1
系列: QuikEval™
ADC 的数量: 2
位数: 16
采样率(每秒): 60
数据接口: I²C,串行
输入范围: ±VREF
已用 IC / 零件: LTC2453
已供物品:
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LTC2453
10
2453fc
SLEEP
7-BIT ADDRESS
(0010100)
S
P
R ACK
READ
DATA OUTPUT
CONVERSION
2453 F05
Figure 5. The LTC2453 Coversion Sequence
SLEEP
S
P
R ACK
READ
DATA OUTPUT
CONVERSION
2453 F06
S
R
P
ACK
CONVERSION
DATA OUTPUT
7-BIT ADDRESS
(0010100)
7-BIT ADDRESS
(0010100)
Figure 6. Consecutive Reading at the Same Configuration
Figure 7. Start a New Conversion without Reading Old Conversion Result
SLEEP
S
P
R ACK READ (OPTIONAL)
DATA OUTPUT
CONVERSION
2453 F07
7-BIT ADDRESS
(0010100)
APPLICATIONS INFORMATION
1
7
8
9
2
3
1
8
D8
D13
D14
(SGN)
MSB
D15
R
SDA
SCL
7-BIT
ADDRESS
START BY
MASTER
D7
D6
D5
D0
LSB
9
1
2
3
8
9
ACK BY
LTC2453
ACK BY
MASTER
NACK BY
MASTER
SLEEP
DATA OUTPUT
CONVERSION
2453 F04
Figure 4. Read Sequence Timing Diagram
Table 1. LTC2453 Output Data Format. FS = VREF+ – VREF-.
DIFFERENTIAL INPUT
VOLTAGE VIN+ - VIN-
D15
(MSB)
D14
D13
D12 ... D2
D1
D0
(LSB)
CORRESPONDING
DECIMAL VALUE
≥FS
1
65535
FS - 1LSB
1
0
65534
0.5 FS
1
0
49152
0.5 FS - 1LSB
1
0
1
49151
0
1
0
32768
-1LSB
0
1
32767
-0.5 FS
0
1
0
16384
-0.5 FS - 1LSB
0
1
16383
≤-FS
0
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