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參數(shù)資料
| 型號： | DS2450 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 1-Wire Quad A/D Converter(1線串行四路A/D轉換器) |
| 中文描述： | 四路、1-Wire A/D轉換器 |
| 文件頁數(shù)： | 8/23頁 |
| 文件大小： | 165K |
| 代理商： | DS2450 |
DS2450
091598 8/23
FUNCTION COMMAND FLOW CHART
Figure 6
55H
WRITE
MEMORY
BUS MASTER TX
TA1 (T7:T0)
BUS MASTER TX
TA2 (T15:T8)
BUS MASTER RX CRC16 OF
COMMAND, ADDRESS, DATA
(1ST PASS); CRC16 OF ADDRESS,
DATA (SUBSEQUENT PASSES)
BUS MASTER TX
DATA BYTE (D7:D0)
MEM. BYTE
= DATA BYTE
BUS MASTER
TX RESET
Y
N
MASTER TX CONTROL
FUNCTION COMMAND
AAH
READ
MEMORY
N
BUS MASTER TX
TA1 (T7:T0)
BUS MASTER TX
TA2 (T15:T8)
DS2450 SETS MEMORY
ADDRESS = (T15:T0)
MASTER RX DATA
BYTE FROM
MEMORY ADDRESS
BUS MASTER
TX RESET
END OF
MEMORY
DS2450
INCREMENTS
ADDRESS COUNTER
BUS MASTER
TX RESET
Y
Y
N
N
Y
Y
Y
FROM ROM FUNCTIONS
FLOW CHART (FIGURE 9)
N
DS2450 COPIES
DATA BYTE
TO MEMORY
Y
TO FIGURE 6
SECOND PART
FROM FIGURE 6
SECOND PART
END
OF PAGE
BUS MASTER RX CRC16 OF
COMMAND, ADDRESS, DATA
(1ST PASS); CRC16 OF DATA
(SUBSEQUENT PASSES)
CRC
CORRECT
N
DS2450 CLEARS
CRC–GENERATOR
BUS MASTER
RX “1”s
Y
N
Y
BUS MASTER
TX RESET
BUS MASTER
TX RESET
BUS MASTER RX
BYTE FROM MEMORY
END OF
MEMORY
N
DS2450 TX
PRESENCE PULSE
DS2450
INCREMENTS
ADDRESS COUNTER
DS2450 LOADS
NEW ADDRESS INTO
CRC–GENERATOR
N
Y
N
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| DS2450S | 功能描述:模數(shù)轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| DS2450S/T&R | 功能描述:模數(shù)轉換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| DS2450S+ | 功能描述:模數(shù)轉換器 - ADC Quad 1-Wire RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| DS2450S+ | 制造商:Maxim Integrated Products 功能描述:SEMICONDUCTOR ((NW)) |
| DS2450S+T&R | 制造商:Maxim Integrated Products 功能描述:IC CONVERTER A/D QUAD 1-W 8-SOIC |
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