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参数资料
| 型号： | MAX1254 |
| 厂商： | Maxim Integrated Products, Inc. |
| 元件分类： | 温度/湿度传感器 |
| 英文描述： | Stand-Alone. 10-Channel. 12-Bit System Monitors with Internal Temperature Sensor and VDD Monitor |
| 中文描述： | 独立的10通道、12位系统监视器，内置温度传感器和VDD监视器 |
| 文件页数： | 15/29页 |
| 文件大小： | 439K |
| 代理商： | MAX1254 |
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M
Stand-Alone, 10-Channel, 12-Bit System Monitors
with Internal Temperature Sensor and V
DD
Monitor
______________________________________________________________________________________
15
Manually Triggered Conversion
(Command Code = 0000)
Before beginning a manual conversion, ensure the
scan mode bit in the setup register is zero, because a
logic 1 disables manual conversions. The address bits
in a Manually Triggered Conversion command select
the input channel for conversion (see Table 3). When
performing a differential conversion, use the even chan-
nel address (AIN0, AIN2, AIN4, AIN6); the command is
ignored if odd channel addresses (AIN1, AIN3, AIN5,
AIN7) are used for a differential conversion.
After issuing a Manually Triggered Conversion com-
mand, bring
CS
high to begin the conversion. To obtain
a correct conversion result,
CS
must remain high for a
period longer than the reference power-up time (if in
power-down mode) plus the conversion time for the
selected channel configured conversion type (voltage
or temperature). The conversion
’
s result can then be
read at DOUT by issuing a Read Current Data Register
for Selected Channel command, addressing the con-
verted channel. See Table 3 for channel addresses.
Table 2. Command Description
DATA BYTES AFTER
COMMAND WORD
COMMAND
WORD
BYTES TO
DIN
BYTES
FROM DOUT
COMMAND DESCRIPTION
0000####
0001xxxx
0010####
0011####
0100####
0101xxxx
0110xxxx
0111xxxx
1000####
1001xxxx
1010####
1011xxxx
1100####
1101xxxx
1110xxxx
1111xxxx
0
0
0
0
0
0
0
3
2
20
5
5
N/A
0
0
0
0
0
0
0
N/A
N/A
Manually Trigged Conversion
Read Alarm Register
Read Current Data Register for Selected Channel
Read Current Data Register for All Channels
Read Configuration Register for Selected Channel
Read Global Configuration Registers
Reserved
Reset
Clear Alarm/Fault for Selected Channels
Clear Alarm/Fault for All Channels
Write Current Data Register for Selected Channel
Write Current Data Registers for All Channels
Write Configuration Registers for Selected Channel
Write Global Configuration Registers
Reserved
Reserved
N/A
0
0
0
2
20
5
5
N/A
N/A
#### = Channel address code, see Table 3.
xxxx = These bits are ignored for this command.
Table 3. Channel Address
ADDRESS IN COMMAND
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
INPUT
Internal temperature
VDD
AIN0
AIN1
AIN2
AIN3
AIN4
AIN5
AIN6
AIN7
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1254AEUE | 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 |
| MAX1254AEUE+ | 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 |
| MAX1254AEUE+T | 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 |
| MAX1254AEUE-T | 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 |
| MAX1254BEUE | 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 |
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