MAX6690MEE

更新时间： 2024-11-05 22:55:15

品牌	Logo	应用领域
美信 - MAXIM		传感器温度传感器
页数	文件大小	规格书
16页	235K
描述
2∑C Accurate Remote/Local Temperature Sensor with SMBus Serial Interface

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MAX6690MEE 技术参数

是否无铅：	含铅	是否Rohs认证：	不符合
生命周期：	Obsolete	包装说明：	0.150 INCH, 0.25 INCH, MO-137AB, QSOP-16
Reach Compliance Code：	not_compliant	风险等级：	5.26
最大精度（摄氏度）：	2 Cel	主体宽度：	3.9 mm
主体高度：	1.55 mm	主体长度或直径：	4.89 mm
外壳：	PLASTIC	JESD-609代码：	e0
安装特点：	SURFACE MOUNT	位数：	11
端子数量：	16	最大工作电流：	1 mA
最高工作温度：	125 °C	最低工作温度：	-55 °C
输出接口类型：	2-WIRE INTERFACE	封装主体材料：	PLASTIC/EPOXY
封装等效代码：	SSOP16,.25	封装形状/形式：	RECTANGULAR
电源：	3.3/5 V	传感器/换能器类型：	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
子类别：	Other Sensors	最大供电电压：	5.5 V
最小供电电压：	3 V	表面贴装：	YES
技术：	BICMOS	温度系数：	NEGATIVE/POSITIVE ppm/ °C
端子面层：	Tin/Lead (Sn/Pb)	端接类型：	SOLDER
Base Number Matches：	1

MAX6690MEE 数据手册

19-2190; Rev 0; 10/01

2°C Accurate Remote/Local Temperature

Sensor with SMBus Serial Interface

General Description

Features

The MAX6690^†is a precise digital thermometer that

reports the temperature of both a remote P-N junction

and its own die. The remote junction can be a diode-con-

nected transistor—typically a low-cost, easily mounted

2N3904 NPN type or 2N3906 PNP type—that replaces

conventional thermistors or thermocouples. Remote

accuracy is 2ꢀ° for multiple transistor manufacturers,

with no calibration needed. The remote junction can also

be a common-collector PNP, such as a substrate PNP of

a microprocessor (µP).

ꢀ High Accuracy ±±2° ꢀ(aꢁx ꢂrꢃ( ꢄ+72° ꢅꢃ ꢄꢆ772°

ꢀRe(ꢃꢅex

ꢀ ꢆꢆ-Biꢅ, 7.ꢆ±52° Resꢃluꢅiꢃn

ꢀ Dual °hannel: Measures Re(ꢃꢅe and Lꢃcal

Te(peraꢅure

ꢀ Nꢃ °alibraꢅiꢃn Required

ꢀ Prꢃgra((able Under/Overꢅe(peraꢅure Alar(s

ꢀ I^±°™-°ꢃ(paꢅible/SMBus Inꢅerꢂace

ꢀ ꢄ3V ꢅꢃ ꢄ5.5V Supply Range

The 2-wire serial interface accepts standard System

Management Bus (SMBus^TM), Write Byte, Read Byte,

Send Byte, and Receive Byte commands to program the

alarm thresholds and to read temperature data.

Measurements can be done automatically and

autonomously, with the conversion rate programmed by

the user, or programmed to operate in a single-shot

mode. The adjustable conversion rate allows the user to

optimize supply current and temperature update rate to

match system needs. When the conversion rate is faster

than 1Hz, the conversion results are available as a 7-bit-

plus-sign byte with a 1ꢀ° LSB. When the conversion rate

is 1Hz or slower, the MAX6690 enters the extended

mode. In this mode, 3 additional bits of temperature data

are available in the extended resolution register, provid-

ing 10-bit-plus-sign resolution with a 0.125ꢀ° LSB.

Single-shot conversions also have 0.125ꢀ° per LSB reso-

lution when the conversion rate is 1Hz or slower.

Ordering Information

PART

TEMP. RANGE

PIN-PACKAGE

MAX6690MEE

-55°C to +125°C

16 QSOP

Typical Operating Circuit

0.1µF

200Ω

+3V TO +5V SUPPLY

10kΩ EACH

STBY

CPU

MAX6690

DXP

DXN

SMBCLK

SMBDATA

ALERT

CLOCK

A parasitic resistance cancellation (PR°) mode can also

be invoked for conversion rates of 1Hz or slower by set-

ting bit 4 of the configuration register to 1. In PR° mode,

the effect of series resistance on the leads of the external

diode is canceled. The 11-bit conversion in PR° mode is

performed in <500ms and is disabled for conversion

rates faster than 1Hz. The one-shot conversion is also 11

bits in <500ms.

DATA

2200pF

INTERRUPT TO µC

ADD0 ADD1

GND

The MAX6690 default low-temperature measurement

limit is 0ꢀ°. This can be extended to -64ꢀ° by setting bit

5 of the configuration register to 1.

Pin Configuration

TOP VIEW

The MAX6690 is available in a small, 16-pin QSOP sur-

face-mount package.

N.C.

16 N.C.

15 STBY

14 SMBCLK

________________________Applications

DXP

DXN

N.C.

Desktop °omputers

Notebook °omputers

Servers

Workstations

MAX6690

13 N.C.

Test and Measurement

Multichip Modules

12 SMBDATA

11 ALERT

10 ADD0

ADD1

GND

Thin °lients

N.C.

SMBus is a trademark of Intel Corp.

I C is a trademark of Philips Corp.

QSOP

†

Patents pending.

________________________________________________________________ Maxim Integrated Products

ꢆ

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.

12 3 4 5 6 7...16

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与MAX6690MEE相关器件

型号	品牌	获取价格	描述	数据表
MAX6690MEE-T	MAXIM	获取价格	Serial Switch/Digital Sensor, 11 Bit(s), 2Cel, BICMOS, Rectangular, 16 Pin, Surface Mount,
MAX6690YMEE+	MAXIM	获取价格	Serial Switch/Digital Sensor, 11 Bit(s), 2Cel, Rectangular, Surface Mount, 0.150 INCH, 0.2
MAX6690YMEE+T	MAXIM	获取价格	Serial Switch/Digital Sensor, 11 Bit(s), 2Cel, Rectangular, Surface Mount, 0.150 INCH, 0.2
MAX6691	MAXIM	获取价格	Four-Channel Thermistor Temperature-to-Pulse- Width Converter
MAX6691	ADI	获取价格	四通道、热敏电阻温度至脉宽转换器
MAX6691_07	MAXIM	获取价格	Four-Channel Thermistor Temperature-to-Pulse-Width Converter
MAX6691MUB	MAXIM	获取价格	Four-Channel Thermistor Temperature-to-Pulse- Width Converter
MAX6691MUB+	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO10, MICRO MAX PACKAGE-10
MAX6691MUB+T	MAXIM	获取价格	暂无描述
MAX6692	MAXIM	获取价格	Precision SMBus-Compatible Remote/Local Temperature Sensors with Overtemperature Alarms

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