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參數(shù)資料
| 型號(hào)： | MAX6666 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 3-Line To 8-Line Decoder/Demultiplexer 20-LCCC -55 to 125 |
| 中文描述： | 高精度PWM輸出溫度傳感器 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 268K |
| 代理商： | MAX6666 |
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
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX6666ASA | 3-Line To 8-Line Decoder/Demultiplexer 16-CDIP -55 to 125 |
| MAX6666AUA | 3-Line To 8-Line Decoder/Demultiplexer 16-CFP -55 to 125 |
| MAX6667ASA | High-Accuracy PWM Output Temperature Sensors |
| MAX6667AUA | High-Accuracy PWM Output Temperature Sensors |
| MAX667 | +5V/Programmable Low-Dropout Voltage Regulator(5V/可調(diào),低輸出步降線性穩(wěn)壓器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6666ASA | 制造商:Maxim Integrated Products 功能描述:HIGH-ACCURACY PWM OUTPUT TEMPERATURE SENSORS - Bulk |
| MAX6666ATT+T | 制造商:Maxim Integrated Products 功能描述:HIGH-ACCURACY PWM OUTPUT TEMPERATUR - Tape and Reel |
| MAX6666AUA | 制造商:Maxim Integrated Products 功能描述:HIGH-ACCURACY PWM OUTPUT TEMPERATURE SENSORS - Bulk |
| MAX6666AUA+ | 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 1-WIRE 8PIN UMAX - Rail/Tube |
| MAX6666AUA+T | 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL SERL (1-WIRE) 8PIN UMAX - Tape and Reel |
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