參數(shù)資料
型號： LM89
廠商： National Semiconductor Corporation
元件分類： 溫度/濕度傳感器
英文描述： 【0.75∑C Accurate, Remote Diode and Local Digital Temperature Sensor with Two-Wire Interface
中文描述： 【0.75ΣC準確，遠程二極管和本地數(shù)字溫度傳感器兩線接口
文件頁數(shù)： 5/20頁
文件大?。?/td> 745K
代理商： LM89
Temperature-to-Digital Converter Characteristics
(Continued)
Unless otherwise noted, these specifications apply for V
=+3.0Vdc to 3.6Vdc.
Boldface limits apply for T
A
= T
J
=
T
MIN
≤
T
A
≤
T
MAX
;
all other limits T
A
= T
J
=+25C, unless otherwise noted.
Parameter
Conditions
Typical
(Note 6)
+110
Limits
(Note 7)
Units
(Limit)
C
Remote T_CRIT Default Temperature Setting
(Note 11)
Logic Electrical Characteristics
DIGITAL DC CHARACTERISTICS
Unless otherwise noted, these specifications apply for V
=+3.0 to 3.6 Vdc.
Boldface lim-
its apply for T
A
= T
J
= T
MIN
to T
MAX
;
all other limits T
A
= T
J
=+25C, unless otherwise noted.
Symbol
Parameter
Conditions
Typical
(Note 6)
Limits
(Note 7)
Units
(Limit)
SMBData, SMBCLK INPUTS
V
IN(1)
V
IN(0)
V
IN(HYST)
Logical “1” Input Voltage
Logical “0”Input Voltage
SMBData and SMBCLK Digital
Input Hysteresis
Logical “1” Input Current
Logical “0” Input Current
Input Capacitance
2.1
0.8
V (min)
V (max)
mV
400
I
IN(1)
I
IN(0)
C
IN
ALL DIGITAL OUTPUTS
I
OH
V
OL
V
IN
= V
DD
V
IN
= 0 V
0.005
0.005
5
±
10
±
10
μA (max)
μA (max)
pF
High Level Output Current
SMBus Low Level Output Voltage
V
OH
= V
DD
I
OL
= 4mA
I
OL
= 6mA
10
0.4
0.6
μA (max)
V (max)
SMBus DIGITAL SWITCHING CHARACTERISTICS
Unless otherwise noted, these specifications apply for V
DD
=+3.0 Vdc to
+3.6 Vdc, C
(load capacitance) on output lines = 80 pF.
Boldface limits apply for T
= T
= T
to T
;
T
= T
= +25C, unless otherwise noted. The switching characteristics of the LM89 fully meet or exceed the published specifi-
cations of the SMBus version 2.0. The following parameters are the timing relationships between SMBCLK and SMBData sig-
nals related to the LM89. They adhere to but are not necessarily the SMBus bus specifications.
Symbol
Parameter
Conditions
Typical
(Note 6)
Limits
(Note 7)
100
10
4.7
25
4.0
Units
(Limit)
kHz (max)
kHz (min)
μs (min)
ms (max)
μs (min)
μs (max)
μs (max)
ns (max)
f
SMB
SMBus Clock Frequency
t
LOW
SMBus Clock Low Time
from V
IN(0)
max to
V
IN(0)
max
from V
IN(1)
min to V
IN(1)
min
(Note 12)
(Note 13)
C
L
= 400pF,
I
O
= 3mA, (Note 13)
t
HIGH
t
R,SMB
t
F,SMB
t
OF
SMBus Clock High Time
SMBus Rise Time
SMBus Fall Time
Output Fall Time
1
0.3
250
t
TIMEOUT
SMBData and SMBCLK Time Low for
Reset of Serial Interface (Note 14)
Data In Setup Time to SMBCLK High
Data Out Stable after SMBCLK Low
25
35
250
300
900
100
ms (min)
ms (max)
ns (min)
ns (min)
ns (max)
ns (min)
t
SU;DAT
t
HD;DAT
t
HD;STA
Start Condition SMBData Low to SMBCLK
Low (Start condition hold before the first
clock falling edge)
Stop Condition SMBCLK High to SMBData
Low (Stop Condition Setup)
SMBus Repeated Start-Condition Setup
Time, SMBCLK High to SMBData Low
SMBus Free Time Between Stop and Start
Conditions
t
SU;STO
100
ns (min)
t
SU;STA
0.6
μs (min)
t
BUF
1.3
μs (min)
L
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相關代理商/技術參數(shù)
參數(shù)描述
LM89-1CIM 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor
LM89-1CIM/NOPB 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor
LM89-1CIMM 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor
LM89-1CIMM/NOPB 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor
LM89-1CIMMX 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor
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