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ADT7460ARQREEL7, ADT7460ARQZ-R7, ADT7461

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Info of ADT7460ARQREEL7
Info of ADT7460ARQZ-R7
Info of ADT7461

ADT7460ARQREEL7, ADT7460ARQZ-R7, ADT7461 Selling Leads, Datasheet

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ADT7460ARQREEL7, ADT7460ARQZ-R7, ADT7461 Datasheet download

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Part Number: ADT7460ARQREEL7

MFG: AD

Package Cooled: www.dayue-hk.com

D/C: 06+

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ADT7461 General Description

The ADT7461 is a dual-channel digital thermometer and under/over temperature alarm, intended for use in PCs and thermal management systems. It is pin and register compatible with the ADM1032. The ADT7461 has three additional features: series resistance cancellation, where up to 3 k (typical) of resistance in series with the temperature monitoring diode may be automatically cancelled from the temperature result, allowing noise filtering; configurable ALERT output; and an extended, switchable temperature measurement range.

The ADT7461 can measure the temperature of a remote ther-mal diode accurate to ±1°C, and the ambient temperature accu-rate to ±3°C. The temperature measurement range defaults to 0°C to +127°C, compatible with ADM1032, but can be switched to a wider measurement range, from −55°C to +150°C. The ADT7461 communicates over a 2-wire serial interface compati-ble with system management bus (SMBus) standards. An ALERT output signals when the on-chip or remote temperature is out of range. The THERM output is a comparator output that allows on/off control of a cooling fan. The ALERT output can be reconfigured as a second THERM output if required.

ADT7461 Maximum Ratings

Positive Supply Voltage (VDD) to GND.−0.3 V, +5.5 V
D+................. −0.3 V to VDD + 0.3 V
D− to GND................ −0.3 V to +0.6 V
SCLK, SDATA, ALERT.......... −0.3 V to +5.5 V
THERM.............. −0.3 V to VDD + 0.3 V
Input Current, SDATA, THERM.... −1 mA, +50 mA
Input Current, D−...............±1 mA
ESD Rating, All Pins (Human Body Model)... 2000 V
Maximum Junction Temperature (TJ Max)....150°C
Storage Temperature Range ....−65°C to +150°C
IR Reflow Peak Temperature........... 220°C
Lead Temperature (Soldering 10 sec) ..... 300°C

ADT7461 Features

`On-chip and remote temperature sensor
`0.25°C resolution/1°C accuracy on remote channel
`1°C resolution/3°C accuracy on local channel
`Automatically cancels up to 3 k (typ) of resistance in series with remote diode to allow noise filtering
`Extended, switchable temperature measurement range 0°C to +127°C (default) or 55°C to +150°C
`Pin and register compatible with ADM1032
`2-wire SMBus serial interface with SMBus alert support
`Programmable over/under temperature limits
`Offset registers for system calibration
`Up to 2 overtemperature fail-safe THERM outputs
`Small 8-lead SOIC or MSOP package
`170 A operating current, 5.5 A standby current

ADT7461 Typical Application

·Desktop and notebook computers
·Industrial controllers
·Smart batteries
·Automotive
·Enbedded systems
·Burn-in applications
·Instrumentation

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