Rainbow-electronics MAX1618 Manual de usuario descargar pdf (Pagina 3)

MAX1618

Remote Temperature Sensor

with SMBus Serial Interface

_______________________________________________________________________________________ 3

ELECTRICAL CHARACTERISTICS (continued)

= +3.3V, configuration byte register = X8h, T

= 0°C to +85°C, unless otherwise noted.)

ELECTRICAL CHARACTERISTICS

= +3.3V, configuration byte register = X8h, T

= -55°C to +125°C, unless otherwise noted.) (Note 5)

CONDITIONS

Monotonicity guaranteed

= +60°C to +100°C

Bits8Temperature Resolution (Note 1)

-3 3

= -55°C to +125°C

°C

-5 5

Initial Temperature Error,

Remote Diode (Note 2)

V3 5.5Supply-Voltage Range

From stop bit to conversion complete

Autoconvert mode

ms47 62 78Conversion Time

%-25 25Conversion-Rate Timing Error

UNITSMIN TYP MAXPARAMETER

CONDITIONSSYMBOL

ALERT forced to 5.5V

µA

ALERT Output High

Leakage Current

ALERT forced to 0.4V

ALERT Output Low Sink Current

UNITSMIN TYP MAXPARAMETER

(Note 3) kHz

DC 100

SMBus Clock Frequency

90% to 90% points t

HIGH

µs

SMBCLK Clock High Time

10% to 10% points t

LOW

µs4.7SMBCLK Clock Low Time

90% to 10% pointst

300

SMBCLK, SMBDATA Fall Time

90% to 90% points

10% to 90% points

SU:STA

500

SMBus Repeated Start

Condition Setup Time

µs

4.7

SMBus Start Condition

Setup Time

µs

SMBCLK, SMBDATA Rise Time

SMBCLK, SMBDATA Input

Capacitance

90% of SMBCLK to 10% of SMBDATAt

SU:STO

µs

SMBus Stop Condition

Setup Time

(Note 4)

10% of SMBDATA to 90% of SMBCLK

HD:DAT

µs

SMBus Data-Hold Time

90% of SMBDATA to 10% of SMBCLKt

SU:DAT

250

SMBus Data Valid to SMBCLK

Rising-Edge Time

HD:STA

µs

SMBus Start Condition

Hold Time

Master clocking in data µs

SMBCLK Falling Edge to SMBus

Data-Valid Time

Between start/stop condition t

BUF

µs

4.7

SMBus Bus Free Time

CONV

SYMBOL

1 2 3 4 5 6 7 8 ... 17 18

Remote Temperature Sensor 1

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Rainbow-electronics MAX1618 Manual de usuario Pagina 3

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