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| 型号： | ADM1021AARQZ-REEL |
| 厂商： | ON Semiconductor |
| 文件页数： | 9/16页 |
| 文件大小： | 0K |
| 描述： | IC SENSOR TEMP DUAL3/5.5V 16QSOP |
| 产品变化通告： | MFG CHG Notification ADI to ON Semi |
| 标准包装： | 2,500 |
| 功能： | 温度监控系统（传感器） |
| 传感器类型： | 内部和外部 |
| 感应温度： | 0°C ~ 100°C，外部传感器 |
| 精确度： | ±1°C 本地，±5°C 远程 |
| 拓扑： | ADC，比较器，多路复用器，寄存器库 |
| 输出类型： | SMBus? |
| 输出警报： | 是 |
| 输出风扇： | 无 |
| 电源电压： | 3 V ~ 5.5 V |
| 工作温度： | 0°C ~ 100°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-QSOP |
| 包装： | 带卷 (TR) |
ADM1021A
If the local and/or remote temperature measurement is
above the corresponding high temperature limit or below the
corresponding low temperature limit, then one or more of
these flags are set. Bit 2 is a flag that is set if the remote
Table 6. STATUS REGISTER BIT ASSIGNMENTS
Bit Name Function
7 BUSY 1 when ADC Converting
temperature sensor is open-circuit. These five flags are
NOR’d together so that if any of them are high, the ALERT
interrupt latch is set and the ALERT output goes low. Reading
the status register clears the five flag bits, provided the error
conditions that caused the flags to be set have gone away.
While a limit comparator is tripped due to a value register
6
5
4
3
2
LHIGH*
LLOW*
RHIGH*
RLOW*
OPEN*
1 when Local High Temp Limit Tripped
1 when Local Low Temp Limit Tripped
1 when Remote High Temp Limit Tripped
1 when Remote Low Temp Limit Tripped
1 when Remote Sensor Open -c ircuit
containing an out-of-limit measurement, or the sensor is
open-circuit, the corresponding flag bit cannot be reset. A flag
bit can only be reset if the corresponding value register
contains an in-limit measurement, or the sensor is good.
Table 7. LIST OF ADM1021A REGISTERS
1 to 0 Reserved
*These flags stay high until the status register is read or they are
reset by POR.
Read Address (Hex)
Not Applicable
00
01
02
03
04
05
06
07
08
Not Applicable
10
11
12
13
14
15
17
19
20
FE
FF
Write Address (Hex)
Not Applicable
Not Applicable
Not Applicable
Not Applicable
09
0A
0B
0C
0D
0E
0F (Note 1)
Not Applicable
11
12
13
14
16
18
Not Applicable
21
Not Applicable
Not Applicable
Name
Address Pointer
Local Temperature Value
Remote Temperature Value
Status
Configuration
Conversion Rate
Local Temperature High Limit
Local Temperature Low Limit
Remote Temperature High
Limit
Remote Temperature Low
Limit
One-shot
Reserved
Remote Temperature Offset
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Manufacturer Device ID
Die Revision Code
Power-on Default
Undefined
1000 0000 (0x80) ( ? 128 ? C)
1000 0000 (0x80) ( ? 128 ? C)
Undefined
0000 0000 (0x00)
0000 0010 (0x02)
0111 1111 (0x7F) (+127 ? C)
1100 1001 (0xC9) ( ? 55 ? C)
0111 1111 (0x7F) (+127 ? C)
1100 1001 (0xC9) ( ? 55 ? C)
Reserved for Future Versions
0000 0000 (0 ? C)
Reserved for Future Versions
Reserved for Future Versions
Reserved for Future Versions
Reserved for Future Versions
Reserved for Future Versions
Reserved for Future Versions
Reserved for Future Versions
0100 0001 (0x41)
0011 xxxx (0x3x)
1. Writing to Address 0F causes the ADM1021A to perform a single measurement. It is not a data register and data written to it is irrelevant.
The ALERT interrupt latch is not reset by reading the
status register, but is reset when the ALERT output is
serviced by the master reading the device address, provided
the error condition has gone away and the status register flag
bits have been reset.
Configuration Register
Two bits of the configuration register are used. If Bit 6
is 0, which is the power - on default, the device is in operating
mode with the ADC converting. If Bit 6 is set to 1, the device
is in standby mode and the ADC does not convert. Standby
mode can also be selected by taking the STBY pin low. In
standby mode, the values stored in the remote and local
temperature registers remain at the values they were when
the part was placed in standby.
Bit 7 of the configuration register is used to mask the
ALERT output. If Bit 7 is 0, which is the power-on default,
the ALERT output is enabled. If Bit 7 is set to 1, the ALERT
output is disabled.
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| ADM1021AARQZ-REEL7 | 功能描述:IC SENSOR TEMP DUAL3/5.5V 16QSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 热管理 系列:- 标准包装:1 系列:- 功能:温度监控系统（传感器） 传感器类型:内部和外部 感应温度:-40°C ~ 125°C，外部传感器 精确度:±2.5°C 本地（最大值），±5°C 远程（最大值） 拓扑:ADC，比较器，寄存器库 输出类型:2 线 SMBus? 输出警报:无 输出风扇:无 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:SOT-23-8 供应商设备封装:SOT-23-8 包装:Digi-Reel® 其它名称:296-22675-6 |
| ADM1021ARQ | 功能描述:IC SENSOR TEMP DUAL3/5.5V 16QSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热管理 系列:- 标准包装:1 系列:- 功能:温度监控系统（传感器） 传感器类型:内部和外部 感应温度:-40°C ~ 125°C，外部传感器 精确度:±2.5°C 本地（最大值），±5°C 远程（最大值） 拓扑:ADC，比较器，寄存器库 输出类型:2 线 SMBus? 输出警报:无 输出风扇:无 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:SOT-23-8 供应商设备封装:SOT-23-8 包装:Digi-Reel® 其它名称:296-22675-6 |
| ADM1021ARQ-REEL | 功能描述:IC SENSOR TEMP DUAL3/5.5V 16QSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热管理 系列:- 标准包装:1 系列:- 功能:温度监控系统（传感器） 传感器类型:内部和外部 感应温度:-40°C ~ 125°C，外部传感器 精确度:±2.5°C 本地（最大值），±5°C 远程（最大值） 拓扑:ADC，比较器，寄存器库 输出类型:2 线 SMBus? 输出警报:无 输出风扇:无 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:SOT-23-8 供应商设备封装:SOT-23-8 包装:Digi-Reel® 其它名称:296-22675-6 |
| ADM1021ARQREEL7 | 制造商:ANALOG DEVICES INC 功能描述: |
| ADM1021ARQ-REEL7 | 功能描述:IC SENSOR TEMP DUAL3/5.5V 16QSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 热管理 系列:- 标准包装:1 系列:- 功能:温度监控系统（传感器） 传感器类型:内部和外部 感应温度:-40°C ~ 125°C，外部传感器 精确度:±2.5°C 本地（最大值），±5°C 远程（最大值） 拓扑:ADC，比较器，寄存器库 输出类型:2 线 SMBus? 输出警报:无 输出风扇:无 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 125°C 安装类型:表面贴装 封装/外壳:SOT-23-8 供应商设备封装:SOT-23-8 包装:Digi-Reel® 其它名称:296-22675-6 |
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