Datasheet > MAX1619

MAX1619

更新时间： 2024-09-23 22:57:59

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
20页	304K
描述
Remote/Local Temperature Sensor with Dual- Alarm Outputs and SMBus Serial Interface

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数据手册

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MAX1619 数据手册

19-1483; Rev 0; 4/99

Re m o t e /Lo c a l Te m p e ra t u re S e n s o r w it h Du a l-

Ala rm Ou t p u t s a n d S MBu s S e ria l In t e rfa c e

MAX619

________________Ge n e ra l De s c rip t io n

____________________________Fe a t u re s

The MAX1619 is a precise digital thermometer that reports

the temperature of both a remote sensor and its own

package. The remote sensor is a diode-connected transis-

tor—typically a low-cost, easily mounted 2N3904 NPN

type—that replaces conventional thermistors or thermo-

couples. Remote accuracy is ±3°C for multiple transistor

manufacturers, with no calibration needed. The remote

channel can also measure the die temperature of other

ICs, such as microprocessors, that contain an on-chip,

diode-connected transistor.

♦ Two Channels Measure Both Remote and Local

Temperatures

♦ No Calibration Required

♦ SMBus 2-Wire Serial Interface

♦ Programmable Under/Overtemperature Alarms

♦ OVERT Output for Fan Control

♦ Supports SMBus Alert Response

♦ Supports Manufacturer and Device ID Codes

The 2-wire serial interface accepts standard System

Management Bus (SMBus^®) Write Byte, Read Byte, Send

Byte, and Receive Byte commands to program the alarm

thresholds and to read temperature data. The data format

is 7 bits plus sign, with each bit corresponding to 1°C, in

two’s complement format. 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 rate allows the user to

control the supply-current drain.

♦ Accuracy

±2°C (+60°C to +100°C, local)

±3°C (-40°C to +125°C, local)

±3°C (+60°C to +100°C, remote)

♦ 3µA (typ) Standby Supply Current

♦ 70µA (max) Supply Current in Auto-Convert Mode

♦ +3V to +5.5V Supply Range

The MAX1619 is nearly identical to the popular MAX1617A,

with the additional feature of an overtemperature alarm out-

put (OVERT) that responds to the remote temperature; this

is optimal for fan control.

♦ Write-Once Protection

♦ Small 16-Pin QSOP Package

Ord e rin g In fo rm a t io n

________________________Ap p lic a t io n s

PART

TEMP. RANGE

PIN-PACKAGE

Desktop and Notebook

Computers

Central Office

Telecom Equipment

MAX1619MEE

-55°C to +125°C

16 QSOP

Smart Battery Packs

LAN Servers

Test and Measurement

Multichip Modules

Typ ic a l Op e ra t in g Circ u it

Industrial Controls

+3V TO +5.5V

200Ω

0.1µF

___________________P in Co n fig u ra t io n

STBY

TOP VIEW

10k EACH

16 N.C.

MAX1619

GND

DXP

15 STBY

14 SMBCLK

13 N.C.

DXP

CLOCK

DATA

SMBCLK

SMBDATA

ALERT

DXN

N.C.

MAX1619

INTERRUPT

TO µC

DXN

12 SMBDATA

11 ALERT

10 ADD0

2N3904

2200pF

FAN

CONTROL

ADD1

GND

OVERT

ADD0 ADD1 GND

OVERT

QSOP

SMBus is a registered trademark of Intel Corp.

________________________________________________________________ Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

12 3 4 5 6 7...20

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与MAX1619相关器件

型号	品牌	获取价格	描述	数据表
MAX16191	ADI	获取价格	Ultra-High, 0.35% Accuracy Supervisory Circuit
MAX16193	ADI	获取价格	精度为0.3%的双通道监控电路
MAX1619MEE	MAXIM	获取价格	Remote/Local Temperature Sensor with Dual- Alarm Outputs and SMBus Serial Interface
MAX1619MEE+	MAXIM	获取价格	Serial Switch/Digital Sensor, 8 Bit(s), 3Cel, Rectangular, 16 Pin, Surface Mount, 0.150 IN
MAX1619MEE-T	MAXIM	获取价格	Serial Switch/Digital Sensor, 8 Bit(s), 3Cel, Rectangular, 16 Pin, Surface Mount, 0.150 IN
MAX161AC/D	MAXIM	获取价格	ADC, Successive Approximation, 8-Bit, 1 Func, 8 Channel, Parallel, 8 Bits Access, CMOS, DI
MAX161ACPI	MAXIM	获取价格	CMOS 8-Bit 8Channel Data Acquisition System
MAX161ACWI	MAXIM	获取价格	CMOS 8-Bit 8Channel Data Acquisition System
MAX161ACWI+	MAXIM	获取价格	ADC, Successive Approximation, 8-Bit, 1 Func, 8 Channel, Parallel, 8 Bits Access, CMOS, PD
MAX161ACWI+T	MAXIM	获取价格	ADC, Successive Approximation, 8-Bit, 1 Func, 8 Channel, Parallel, 8 Bits Access, CMOS, PD

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