參數(shù)資料
型號： LM87
廠商： National Semiconductor Corporation
英文描述： Serial Interface System Hardware Monitor with Remote Diode Temperature Sensing
中文描述： 串行接口系統(tǒng)硬件監(jiān)控與遠(yuǎn)程二極管溫度傳感器
文件頁數(shù)： 5/32頁
文件大?。?/td> 470K
代理商： LM87
DC Electrical Characteristics
(Continued)
The following specifications apply for +2.8 V
DC
≤
V
+
≤
+3.8 V
, Analog voltage inputs R
= 510
, unless otherwise speci-
fied.
Boldface limits apply for T
A
= T
J
= T
MIN
to T
MAX
;
all other limits T
A
= T
J
= 25 C.(Note 8)
Symbol
Parameter
Conditions
Typical
(Note 9)
Limits
(Note 10)
Units
(Limits)
DAC CHARACTERISTICS
DAC Error
0 C
≤
T
A
≤
+75 C, V
+
=
3.3 V, Code = 255
V
+
= 3.3 V, 3/4 Scale,
code 192
0 C
≤
T
A
≤
+75 C, V, V
+
= 3.3 V, Code = 8(Note
15)
V
O
= 2.5 V
-3.3
% (min)
+3.7
%
±
3
% (max)
R
L
C
L
Output Load Resistance
Output Load Capacitance
FAN RPM-TO-DIGITAL CONVERTER
Fan RPM Error
1250
20
(min)
pF (max)
+25 C
≤
T
A
≤
+75 C
10 C
≤
T
A
≤
+100 C
40 C
≤
T
A
≤
+125 C
±
10
±
15
±
20
255
% (max)
% (max)
% (max)
(max)
RPM
Full-scale Count
FAN1 and FAN2 Nominal Input
RPM (See
Section 6.0
)
Divisor = 1, Fan Count =
153 (Note 16)
Divisor = 2, Fan Count =
153 (Note 16)
Divisor = 3, Fan Count =
153 (Note 16)
Divisor = 4, Fan Count =
153 (Note 16)
8800
4400
RPM
2200
RPM
1100
RPM
DIGITAL OUTPUTS (NTEST_OUT)
V
OUT(1)
Logical “1” Output Voltage
I
OUT
=
±
3.0 mA at
V
+
= +2.8 V
I
OUT
=
±
3.0 mA at
V
+
= +3.8 V
2.4
V (min)
V
OUT(0)
Logical “0” Output Voltage
0.4
V (max)
OPEN- DRAIN DIGITAL OUTPUTS (SMBData, RESET
#
, CI, INT
#
, THERM
#
)
V
OUT(0)
Logical “0” Output Voltage (SMBData)
V
OUT(0)
Logical “0” Output Voltage (Others)
I
OH
High Level Output Current
RESET
#
and Chassis Intrusion
Pulse Width
DIGITAL INPUTS: VID0–VID4, NTEST_IN, ADD/NTEST_OUT, Chassis Intrusion (CI)
V
IN(1)
Logical “1” Input Voltage
V
IN(0)
Logical “0” Input Voltage
SMBus DIGITAL INPUTS (SMBCLK, SMBData)
V
IN(1)
Logical “1” Input Voltage
V
IN(0)
Logical “0” Input Voltage
V
HYST
Input Hysteresis Voltage
Tach Pulse Logic Inputs (FAN1, FAN2)
V
IN(1)
Logical “1” Input Voltage
V
IN(0)
Logical “0” Input Voltage
ALL DIGITAL INPUTS
I
IN(1)
Logical “1” Input Current
I
IN(0)
Logical “0” Input Current
C
IN
Digital Input Capacitance
I
OUT
= 755 μA
I
OUT
= 3 mA
V
OUT
= V
+
0.4
0.4
12
20
V (min)
V (min)
μA (max)
ms (min)
5
45
2.0
0.8
V (min)
V (max)
2.1
0.8
V (min)
V (max)
mV
243
0.7 x V
+
0.3 x V
+
V (min)
V (max)
V
IN
= V
+
V
IN
= 0 V
DC
12
12
μA (min)
μA (max)
pF
20
L
www.national.com
5
相關(guān)PDF資料
PDF描述
LM89 【0.75∑C Accurate, Remote Diode and Local Digital Temperature Sensor with Two-Wire Interface
LM8M64 Color STN LCD Module
LM8V302 Color STN-LCD Module(Handheld PC)
LM8V30 Color STN-LCD Module(Handheld PC)
LM8V311 DEVlCESPECIFICATIONfoor for Passive Matrix Color LCD Module (640 X 480 dots)
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM87CIMT 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(zhǔn)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
LM87CIMT 制造商:Texas Instruments 功能描述:HDW MON, 2 REMOTE TEMP SENS, SMD 制造商:Texas Instruments 功能描述:HDW MON, 2 REMOTE TEMP SENS, SMD; IC Output Type:Voltage; Sensing Accuracy Range: 3C; Sensing Temperature Min:-40C; Sensing Temperature Max:+125C; Supply Voltage Min:2.8V; Supply Voltage Max:3.8V; Sensor Case Style:TSSOP; No. of ;RoHS Compliant: Yes
LM87CIMT/NOPB 功能描述:板上安裝溫度傳感器 Hdw Mon & 2 Remote Temp Sens RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
LM87CIMTX 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(zhǔn)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
LM87CIMTX/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(zhǔn)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(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*