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| 型号： | MAX6655MEE+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/18页 |
| 文件大小： | 0K |
| 描述： | IC TEMP SENSOR 4CH 16-QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 功能： | 温度监控系统（传感器） |
| 传感器类型： | 内部和外部 |
| 感应温度： | -55°C ~ 125°C，外部传感器 |
| 精确度： | ±3°C（最小值） |
| 拓扑： | ADC，多路复用器，寄存器库 |
| 输出类型： | I²C?/SMBus? |
| 输出警报： | 是 |
| 输出风扇： | 是 |
| 电源电压： | 3 V ~ 5.5 V |
| 工作温度： | -55°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-QSOP |
| 包装： | 管件 |
19-2117; Rev 1; 5/06
Dual Remote/Local Temperature Sensors and
Four-Channel Voltage Monitors
General Description
The MAX6655/MAX6656 are precise voltage and tem-
perature monitors. The digital thermometer reports the
temperature of two remote sensors and its own die tem-
perature. The remote sensors are diode-connected
transistors —typically a low-cost, easily mounted
2N3906 PNP type—that replace conventional thermis-
tors or thermocouples. Remote accuracy is ±1°C for
multiple transistor manufacturers with no calibration
necessary. The remote channels can also measure the
die temperature of other ICs, such as microprocessors,
that contain a substrate-connected PNP with its collec-
tor grounded and its base and emitter available for tem-
perature-sensing purposes. The temperature is
digitized with 11-bit resolution.
The MAX6655/MAX6656 also measure their own supply
voltage and three external voltages with 8-bit resolution.
Each voltage input’s sensitivity is set to give approxi-
mately 3/4-scale output code when the input voltage is
at its nominal value. The MAX6655 operates at +5V
supply and its second voltage monitor is 3.3V. The
MAX6656 operates on a +3.3V supply and its second
voltage monitor is 5V.
The 2-wire serial interface accepts standard SMBus?
Write Byte, Read Byte, Send Byte, and Receive Byte
Features
? Three Temperature Channels
Two Remote PN Junctions
One Local Sensor
? Four Voltage Channels
+12V, +5V, +3.3V, +2.5V
Three External Monitors
One Internal Supply Monitor
? 11-Bit, 0.125°C Resolution
? High Accuracy: ±1°C Over +60°C to +100°C
Temperature Range
? Programmable Under/Over-Threshold Alarms
? Programmable Power-Saving Mode
? No Calibration Required
? SMBus/I 2 C-Compatible Interface
? OVERT Output for Fan Control and System
Shutdown
Ordering Information
commands to program the alarm thresholds and to read
data. The MAX6655/MAX6656 also provide SMBus alert
response and timeout functions. The MAX6655/MAX6656
measure automatically and autonomously, with the con-
version rate programmable. The adjustable rate allows
PART
MAX6655 MEE
MAX6656 MEE
TEMP RANGE
-55°C to +125°C
-55°C to +125°C
PIN-
PACKAGE
16 QSOP
16 QSOP
PKG
CODE
E16-5
E16-5
the user to control the supply current.
In addition to the SMBus ALERT output, the MAX6655/
MAX6656 feature an OVERT output, which is used as a
temperature reset that remains active only while the
temperature is above the maximum temperature limit.
The OVERT output is optimal for fan control or for sys-
tem shutdown.
Applications
Typical Application Circuit appears at end of data sheet.
Pin Configuration
TOP VIEW
V CC 1
16 STBY
Notebooks
Workstations
DXP1 2
15 SMBCLK
Thin Clients
Servers
Communication
Equipment
Desktop PC
DXN1 3
ADD0 4
ADD1 5
MAX6655
MAX6656
14 OVERT
13 SMBDATA
12 ALERT
DXP2 6
DXN2 7
11 V IN2
10 V IN1
SMBus is a trademark of Intel Corp .
GND 8
QSOP
9
V IN3
________________________________________________________________ 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
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX6655MEE+ | 功能描述:板上安装温度传感器 Dual Remote/Local Temperature Sensor RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| MAX6655MEE+T | 功能描述:板上安装温度传感器 Dual Remote/Local Temperature Sensor RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| MAX6655MEE-T | 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| MAX6656MEE | 功能描述:板上安装温度传感器 Dual Remote/Local Temperature Sensor RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| MAX6656MEE+ | 功能描述:板上安装温度传感器 Dual Remote/Local Temperature Sensor RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
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