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參數資料
| 型號： | MAX6667AUA |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | High-Accuracy PWM Output Temperature Sensors |
| 中文描述： | 高精度PWM輸出溫度傳感器 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 268K |
| 代理商： | MAX6667AUA |
General Description
The MAX6666/MAX6667 are high-accuracy, low-cost,
low-power temperature sensors with a single-wire
output. The MAX6666/MAX6667 convert the ambient
temperature into a ratiometric PWM output with temper-
ature information contained in the duty cycle of the out-
put square wave. The MAX6666 has a push-pull output
and the MAX6667 has an open-drain output.
The MAX6666/MAX6667 operate at supply voltages
from +3V to +5.5V. The typical unloaded supply current
at 5.0V is 200μA. Both devices feature a single-wire
output that minimizes the number of pins necessary to
interface with a microprocessor (μP). The output is a
square wave with a nominal frequency of 35Hz (±20%)
at +25°C. The output format is decoded as follows:
Temperature (°C) = 235 - (400 x t
1
) / t
2
Where t
1
is fixed with a typical value of 10ms and t
2
is
modulated by the temperature (Figure 1). The
MAX6666/MAX6667 operate from -40°C to +125°C and are
available in space-saving SOT23 and μMAX packages.
Applications
Process Control
Industrial
HVAC and Environmental Control
Automotive
μP and μC Temperature Monitoring
Features
o
Simple Single-Wire PWM Output
o
±1.0°C Accuracy at +25°C
o
High Accuracy
±1°C at T
A
= +30°C
±2.5°C at T
A
= +10°C to +50°C
o
Operate Up to +125°C
o
Low 200μA Typical Current Consumption
o
Multiple Package Options
6-Pin SOT23
8-Pin SO
8-Pin μMAX
M
High-Accuracy PWM Output Temperature
Sensors
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
IC
IC
IC
1
2
8
7
IC
IC
V
CC
GND
D
OUT
μ
MAX/SO
TOP VIEW
3
4
6
5
MAX6666
MAX6667
Pin Configurations
Ordering Information
V
CC
+3.3V
GND
DOUT
t
1
t
2
μ
C
INPUT TO
TIMER/COUNTER
MAX6666
MAX6667
Typical Operating Circuit
19-2138; Rev 1; 12/03
Pin Configurations continued at end of data sheet.
PART
TEMP RANGE
-40
°
C to +125
°
C
-40
°
C to +125
°
C
-40
°
C to +125
°
C
-40
°
C to +125
°
C
-40
°
C to +125
°
C
-40
°
C to +125
°
C
PIN-PACKAGE
6 SOT23-6
8 μMAX
8 SO
6 SOT23-6
8 μMAX
8 SO
MAX6666
AUT-T
MAX6666AUA
MAX6666ASA
MAX6667
AUT-T
MAX6667AUA
MAX6667ASA
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX6667AUA+T | 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 |
| MAX6667AUA-T | 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 |
| MAX6667AUT | 制造商:Maxim Integrated Products 功能描述:REMOTE TEMPERATURE SWITCHES WITH INTEGRATED F - Cut Tape Product |
| MAX6667AUT# | 制造商:Maxim Integrated Products 功能描述: |
| MAX6667AUT#T | 功能描述:板上安裝溫度傳感器 High-Acc PWM Out Temperature Sensor 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 |
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