參數(shù)資料
型號(hào): BU9817FV
廠商: Rohm CO.,LTD.
元件分類: 溫度/濕度傳感器
英文描述: 4-channel temperature sensor IC for PCs with I2C BUS interface
中文描述: 4通道溫度與I2C總線接口的電腦傳感器IC
文件頁(yè)數(shù): 8/15頁(yè)
文件大?。?/td> 103K
代理商: BU9817FV
BU9817FV
Multimedia ICs
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Circuit operation
Explanation of operating mode
The asterisk can be either 0 or 1.
Conversion time is for fCLK = 32.768kHz.
These mode setting bits (bit 0 and bits 3 to 5) are common for each channel, the last setting of bits (bit0 and bits3 to 5) is
effective for all channels. Furthermore, bits 1 and 2 are independent and can be set for each channel.
Note: These parameters are reference values derived through calculations and are not guaranteed characteristic values.
Operating mode
Configuration
register settings
ADC operation
conversion interval
Open drain
operation timing
Register status
Current
consumption (typ.)
Normal mode
Interval High mode
Interval Low mode
Shutdown mode
Reset mode
00000
0b
00110
0b
00100
0b
00000
1b
00
1
b
1.221ms
1 second intervals
4 second intervals
Stopped
Stopped
10th clock after
A / D conversion
10th clock after
A / D conversion
10th clock after
A / D conversion
Reset fixed at high
Hold status
Normal operation
Normal operation
Normal operation
Hold data
Data reset
0.75mA
Note: average
less than 3
μ
A
Note: average
less than 2
μ
A
Less than 1
μ
A
Less than 1
μ
A
Explanation of ADC / open drain operation
(Normal mode)
4ch
1ch
2ch
3ch
4ch
1ch
2ch
3ch
4ch
1ch
Tad = 1.221ms, 40 clock
10 clock
ADC operation
OD1
OD2
OD3
OD4
(Interval mode)
1ch
2ch
3ch
1ch
2ch
3ch
4ch
1ch
Tc = 1.831ms, 60 clock
Tin = 1s, 4s
10 clock 10 clock
10 clock
ADC operation
OD1
OD2
OD3
OD4
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