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參數(shù)資料
| 型號： | MAX6676 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | HEX SCHMITT-TRIGGER INVERTERS 14-CDIP -55 to 125 |
| 中文描述： | 低電壓、1.8kHz PWM輸出的溫度傳感器 |
| 文件頁數(shù)： | 1/7頁 |
| 文件大?。?/td> | 162K |
| 代理商： | MAX6676 |
General Description
The MAX6676/MAX6677 are high-accuracy, low-power
temperature sensors with a single-wire output. The
MAX6676/MAX6677 convert the ambient temperature
into a ratiometric PWM output with temperature informa-
tion contained in the duty cycle of the output square
wave. The MAX6676 has an open-drain output and the
MAX6677 has a push-pull output.
The MAX6676/MAX6677 are specified for operation with
power-supply voltages from 1.8V to 3.6V, or from 3.6V to
5.5V (MAX6676 only). The typical unloaded supply cur-
rent is 80μA. All 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 1.8kHz (±20%) at +25°C.
The output format is decoded as follows:
Temperature (°C) = 398.15
(t
1
/ t
2
) - 273.15
Where t
1
is fixed with a typical value of 0.24ms and t
2
is
modulated by the temperature. The MAX6676/
MAX6677 operate from -40°C to +125°C and are avail-
able in space-saving 6-pin SOT23 packages.
Applications
Process Control
Industrial
HVAC and Environmental Control
Automotive
Portable Devices
μP and μC Temperature Monitoring
Isolated Temperature Sensing
Features
o
Simple Single-Wire, 1.8kHz PWM Output
o
Operates Down to 1.8V
o
High Accuracy
±1.5°C at T
A
= +25°C
±3.0°C at T
A
= 0°C to +85°C
o
Operates from -40°C to +125°C
o
Low 80μA Typical Current Consumption
o
Small 6-Pin SOT23 Package
M
Low-Voltage, 1.8kHz 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
GND
GND
V
CC
1
6
GND
5
GND
DOUT
MAX6676
MAX6677
SOT23
TOP VIEW
2
3
4
Pin Configuration
Ordering Information
V
CC
V
CC
*REQUIRED ONLY FOR MAX6676.
5.1k
*
GND
DOUT
μ
C
INPUT TO
TIMER/COUNTER
MAX6676
t
2
t
1
0.1
μ
F
Typical Operating Circuit
19-2660; Rev 1; 1/03
PART
TEMP
RANGE
PIN-
PACKAGE
MAX6676
AUT3-T
MAX6676AUT5-T
MAX6677
AUT3-T
-40
°
C to +125
°
C
-40
°
C to +125
°
C
-40
°
C to +125
°
C
6 SOT23-6
6 SOT23-6
6 SOT23-6
PART
OUTPUT
TYPE
SUPPLY
VOLTAGE
RANGE (V)
TOP
MARK
MAX6676AUT3
MAX6676AUT5
MAX6677AUT3
Open drain
Open drain
Push-pull
1.8 to 3.6
3.6 to 5.5
1.8 to 3.6
ABBF
ABBG
ABBH
Selector Guide
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX6676-MAX6677 | HEX SCHMITT-TRIGGER INVERTERS 14-CFP -55 to 125 |
| MAX668-MAX669 | 1.8V to 28V Input, PWM Step-Up Controllers in レMAX |
| MAX669EUB | 1.8V to 28V Input, PWM Step-Up Controllers in レMAX |
| MAX668 | Quadruple 2-Line To 1-Line Data Selector/Multiplexer With 3-State Outputs 20-LCCC -55 to 125 |
| MAX669 | QUADRUPLE 2-INPUT POSITIVE-OR GATES 14-CDIP -55 to 125 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6676AUT+T | 功能描述:板上安裝溫度傳感器 1.8kHz PWM 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(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: 安裝風格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX6676AUT3 | 制造商:Maxim Integrated Products 功能描述:LOW-VOLTAGE 1.8KHZ PWM OUTPUT TEMP - Cut Tape Product |
| MAX6676AUT3+ | 功能描述:板上安裝溫度傳感器 1.8kHz PWM 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(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: 安裝風格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX6676AUT3+T | 功能描述:板上安裝溫度傳感器 1.8kHz PWM 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(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: 安裝風格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| MAX6676AUT3-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(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: 安裝風格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
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