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参数资料
| 型号： | DS2450 |
| 英文描述： | 1-Wire Quad A/D Converter |
| 中文描述： | 四路、1-Wire A/D转换器 |
| 文件页数： | 17/24页 |
| 文件大小： | 523K |
| 代理商： | DS2450 |
DS2450
17 of 24
102199
USAGE EXAMPLE
(set-up continued, conversion, read flags)
MASTER MODE
TX
RX
TX
TX
TX
TX
TX
RX
RX
TX
RX
RX
TX
RX
TX
TX
TX
TX
RX
RX
TX
RX
TX
TX
TX
TX
RX
RX
DATA (LSB FIRST)
Reset
Presence
CCh
55h
16h
00h
64h
<CRC16>
64h
96h
<CRC16>
96h
Reset
Presence
CCh
3Ch
08h
40h
<CRC16>
<multiple data bytes>
Reset
Presence
CCh
Aah
0Fh
00h
<data byte>
<CRC16>
COMMENTS
Reset Pulse (480 - 960
μ
s)
Presence Pulse
Issue “Skip ROM” Command
Issue “Write Memory” Command
TA1, beginning address
TA2, address = 0016h
data byte (address 0016)
CRC of command, address, data byte
read-back for simple verification
next data byte (address 0017h)
CRC of address, data byte
read-back for simple verification
Reset Pulse (480 - 960
μ
s)
Presence Pulse
Issue “Skip ROM” Command
Issue “Convert” Command
input select mask
read-out control byte
CRC of command, mask, control byte
continue reading until byte is FFh
Reset Pulse (480 - 960
μ
s)
Presence Pulse
Issue “Skip ROM” Command
Issue “Read Memory” Command
TA1, beginning address
TA2, address = 000Fh
status data*
CRC of command, address, data byte
CH-D
CH-D
CH-D
Continued on the next page.
*The status data byte includes the channel D alarm flags AFH and AFL which are used to control the
channel A and B outputs (see next page).
相关PDF资料 |
PDF描述 |
|---|---|
| DS2450S | 1-Wire Quad A/D Converter |
| DS2480 | Serial 1.Wire Line Driver |
| DS2480S | Serial 1.Wire Line Driver |
| DS2490 | USB to 1-Wire Bridge Chip |
| DS2490S | USB to 1-Wire Bridge Chip |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2450S | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| DS2450S/T&R | 功能描述:模数转换器 - ADC RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-32 |
| DS2450S+ | 功能描述:模数转换器 - ADC Quad 1-Wire RoHS:否 制造商:Texas Instruments 通道数量:2 结构:Sigma-Delta 转换速率:125 SPs to 8 KSPs 分辨率:24 bit 输入类型:Differential 信噪比:107 dB 接口类型:SPI 工作电源电压:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体: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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