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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(zhuǎn)換器) |
| 中文描述： | 四路、1-Wire A/D轉(zhuǎn)換器 |
| 文件頁數(shù)： | 15/23頁 |
| 文件大?。?/td> | 165K |
| 代理商： | DS2450 |
DS2450
091598 15/23
USAGE EXAMPLE
(set–up section)
There is a single V
CC
powered DS2450 on the 1–Wire bus. Set–up channel D for 12 bits, 5.12V range and alarm
thresholds of 2.0V (64h) and 3.0V (96h) (increment 20 mV) and convert the input voltage; turn on the channel A output
if low alarm occurs and the channel B output if high alarm occurs, respectively.
MASTER MODE
DATA (LSB FIRST)
COMMENTS
TX
Reset
Reset Pulse (480 – 960
μ
s)
RX
Presence
Presence Pulse
TX
CCh
Issue “Skip ROM” Command
TX
55h
Issue “Write Memory” Command
TX
08h
TA1, beginning address
TX
00h
TA2, address = 0008h
TX
C0h
data byte (address 0008)
CH–A
RX
<CRC16>
CRC of command, address, data byte
RX
C0h
read–back for simple verification
TX
00h
next data byte (address 0009h)
RX
<CRC16>
CRC of address, data byte
RX
00h
read–back for simple verification
TX
C0h
data byte (address 000A)
CH–B
RX
<CRC16>
CRC of address, data byte
RX
C0h
read–back for simple verification
TX
00h
next data byte (address 000Bh)
RX
<CRC16>
CRC of address, data byte
RX
00h
read–back for simple verification
TX
C0h
data byte (address 000C)
CH–C*
RX
<CRC16>
CRC of address, data byte
RX
C0h
read–back for simple verification
TX
00h
next data byte (address 000Dh)
RX
<CRC16>
CRC of address, data byte
RX
00h
read–back for simple verification
TX
0Ch
data byte (address 000E)
CH–D
RX
<CRC16>
CRC of address, data byte
RX
0Ch
read–back for simple verification
TX
0Dh
next data byte (address 000Fh)
RX
<CRC16>
CRC of address, data byte
RX
0Dh
read–back for simple verification
Continued on the next page
* In a multi–drop environment it takes less time to set–up an unused channel rather than skipping it.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2450S | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| DS2450S/T&R | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32 |
| DS2450S+ | 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Quad 1-Wire RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)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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