参数资料
型号: LM89CIMM/NOPB
厂商: National Semiconductor
文件页数: 20/32页
文件大小: 0K
描述: IC TEMP SENSOR DGTL 8-MSOP
标准包装: 1,000
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 ~ 125°C
精确度: ±3°C(最小值)
拓扑: ADC(三角积分型),比较器,寄存器库
输出类型: 2 线 SMBus?
输出警报:
输出风扇:
电源电压: 3 V ~ 3.6 V
工作温度: 0°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
供应商设备封装: 8-MSOP
包装: 管件
配用: LM89EVAL-ND - BOARD EVALUATION LM89
其它名称: LM89CIMM
SNIS128C – AUGUST 2002 – REVISED MARCH 2013
For RLSLB: Remote HIGH Setpoint Low Byte temperature data. Power up default is 0°C. 1 LSB = 0.125°C.
Two's complement format.
REMOTE TEMPERATURE OFFSET REGISTERS (RTOHB and RTOLB)
Table 11. REMOTE TEMPERATURE OFFSET REGISTERS (RTOHB)(Read/Write Address 11h):
BIT
Value
D7
SIGN
D6
64
D5
32
D4
16
D3
8
D2
4
D1
2
D0
1
For RTOHB: Remote Temperature Offset High Byte. Power up default is LHIGH = RHIGH = 0°C. 1 LSB = 1°C.
Two's complement format.
Table 12. REMOTE TEMPERATURE OFFSET REGISTERS (RTOLB) (Read/Write Address 12h):
BIT
Value
D7
0.5
D6
0.25
D5
0.125
D4
0
D3
0
D2
0
D1
0
D0
0
For RTOLB: Remote Temperature Offset High Byte. Power up default is 0°C. 1 LSB = 0.125°C. Two's
complement format.
The offset value written to these registers will automatically be added to or subtracted from the remote
temperature measurement that will be reported in the Remote Temperature registers.
LOCAL and REMOTE T_CRIT REGISTERS (RCS and LCS)
Table 13. LOCAL and REMOTE T_CRIT REGISTERS (RCS and LCS) (Read/Write Address 20h, 19h):
BIT
Value
D7
SIGN
D6
64
D5
32
D4
16
D3
8
D2
4
D1
2
D0
1
D7–D0: T_CRIT setpoint temperature data. Power up default is Local T_CRIT = 85°C and Remote
T_CRIT=110°C. 1 LSB = 1°C, two's complement format.
T_CRIT HYSTERESIS REGISTER (TH)
Table 14. T_CRIT HYSTERESIS REGISTER (TH) (Read and Write Address 21h):
BIT
D7
D6
D5
D4
D3
D2
D1
D0
Value
16
8
4
2
1
D7–D0: T_CRIT Hysteresis temperature. Power up default is TH = 10°C. 1 LSB = 1°C, maximum value = 31.
FILTER and ALERT CONFIGURE REGISTER
Table 15. FILTER and ALERT CONFIGURE REGISTER (Read and Write Address BFh):
BIT
D7
D6
D5
D4
D3
D2
D1
D0
Value
0
0
0
0
0
Filter Level
ALERT Configure
D7-D3: is not defined defaults to "0".
D2-D1: input filter setting as defined the table below:
D2
0
0
1
1
D1
0
1
0
1
Filter Level
No Filter
Level 1
Level 1
Level 2
20
Product Folder Links: LM89
Copyright ? 2002–2013, Texas Instruments Incorporated
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