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參數資料
| 型號： | FM20S3X |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | Ultra-Low-Power Analog Temperature Sensor |
| 中文描述： | ANALOG TEMP SENSOR-VOLTAGE, 0.3-2.55V, 2Cel, RECTANGULAR, SURFACE MOUNT |
| 封裝： | SOT-23, 3 PIN |
| 文件頁數： | 4/9頁 |
| 文件大小： | 357K |
| 代理商： | FM20S3X |
FM20
PRODUCT SPECIFICATION
4
REV. 1.0.6 1/9/03
Typical Performance Characteristics
Figure 1. Quiescent Current vs. Temperature
Figure 2. Accuracy vs. Temperature
6
7
8
9
10
11
12
-50
-25
0
25
50
75
100
125
Q
μ
A
Temperature (
°
C)
V
DD
= +5V
-5
-4
-3
-2
-1
0
1
2
3
-50
0
50
100
Temperature (
°
C)
A
°
C
V
DD
=+5V
lower spec limit
upper spec limit
Applications Information
Mounting
The FM20 can be easily mounted by gluing or cementing it
to a surface. In this case, its temperature will be within about
0.2°C of the temperature of the surface it is attached to if the
ambient air temperature is almost the same as the surface
temperature. If the air temperature is much higher or lower
than the surface temperature, the actual temperature of the
FM20 die will be at an intermediate temperature between the
surface temperature and the air temperature.
To ensure good thermal conductivity, the backside of the
FM20 die is directly attached to the GND pin. The lands and
traces to the FM20 will, of course, be part of the printed
circuit board, which is the object whose temperature is being
measured. These printed circuit board lands and traces will
not cause the FM20’s temperature to deviate from the desired
temperature.
Alternatively, the FM20 can be mounted inside a sealed-end
metal tube, and can then be dipped into a bath or screwed
into a threaded hole in a tank. As with any IC, the FM20 and
accompanying wiring and circuits must be kept insulated and
dry to avoid leakage and corrosion. This is especially true if
the circuit may operate at cold temperatures where condensa-
tion can occur. Printed-circuit coatings and varnishes such as
Humiseal and epoxy paint or dips can be used to ensure that
moisture cannot corrode the FM20 or its connections.
Loading
The FM20 will handle sizable capacitive loads up to 300pF
without any special considerations. In an extremely noisy
environment it may be advisable to add some filtering to
minimize noise in the output voltage. It is also recommended
that a 0.1μF bypass capacitor be added between the supply
voltage and ground. This is due to the instant current demand
caused by switching CMOS transistors. Normally it is un-
advisable to put a sufficiently large supply (particularly in
portable electronics) to be able to handle the dynamic cur-
rents of CMOS transistors. It is a much simpler solution to
use a bypass capacitor to sustain the supply voltage during
this short demand period.
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相關代理商/技術參數 |
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| FM20S3X_Q | 功能描述:板上安裝溫度傳感器 analog Temp Sensor LV Neg Slope 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 |
| FM20V08-55-TG | 功能描述:F-RAM 1M (128Kx8) 2.2-3.6V RoHS:否 存儲容量:512 Kbit 組織:64 K x 8 接口:SPI 工作電源電壓:2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube 制造商:Cypress Semiconductor |
| FM-210 | 制造商:WALDOM ELECTRONICS 功能描述: |
| FM2100 | 功能描述:肖特基二極管與整流器 SM Schot Bar Rect SMB,2A,100V RoHS:否 制造商:Skyworks Solutions, Inc. 產品:Schottky Diodes 峰值反向電壓:2 V 正向連續電流:50 mA 最大浪涌電流: 配置:Crossover Quad 恢復時間: 正向電壓下降:370 mV 最大反向漏泄電流: 最大功率耗散:75 mW 工作溫度范圍:- 65 C to + 150 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-143 封裝:Reel |
| FM-210-0015P | 制造商:WALDOM ELECTRONICS 功能描述: |
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