ADT7485A データシートの表示（PDF） - Analog Devices

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ADT7485A

SST Digital Temperature Sensor and Voltage Monitor

Analog Devices 

PRODUCT DESCRIPTION

The ADT7485A is a temperature- and voltage-monitoring

device. The ADT7485A can monitor the temperature of one

remote sensor diode, plus its own internal temperature. It can

also monitor up to five voltage channels, including its own

supply voltage.

SST INTERFACE

Simple Serial Transport (SST) is a one-wire serial bus and a

communications protocol between components intended for

use in personal computers, personal handheld devices, or other

industrial sensor nets. The ADT7485A supports SST Rev 0.9.

SST is a licensable bus technology from Analog Devices, Inc., and

Intel Corporation. To inquire about obtaining a copy of the Simple

Serial Transport Specification or an SST technology license,

please email Analog Devices at sst_licensing@analog.com or

write to Analog Devices, 3550 North First Street, San Jose, CA

95134, Attention: SST Licensing, M/S B7-24.

ADT7485A

ADT7485A Client Address

The client address for the ADT7485A is selected using the

address pin. The address pin is connected to a float detection

circuit, which allows the ADT7485A to distinguish between

three input states: high, low (GND), and floating. The address

range for fixed address, discoverable devices is 0x54 to 0x56.

Table 5. ADT7485A Selectable Addresses

ADD

Address Selected

Low (GND)

0x48

Float

0x49

High

0x4A

Rev. 0 | Page 9 of 16

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