beautypg.com

Electrical characteristics (continued), Electrical characteristics – Rainbow Electronics MAX1618 User Manual

Page 3

background image

MAX1618

Remote Temperature Sensor

with SMBus Serial Interface

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(V

CC

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

A

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

ELECTRICAL CHARACTERISTICS

(V

CC

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

A

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

CONDITIONS

Monotonicity guaranteed

T

R

= +60°C to +100°C

Bits

8

Temperature Resolution (Note 1)

-3

3

T

R

= -55°C to +125°C

°C

-5

5

Initial Temperature Error,
Remote Diode (Note 2)

V

3

5.5

Supply-Voltage Range

From stop bit to conversion complete

Autoconvert mode

ms

47

62

78

Conversion Time

%

-25

25

Conversion-Rate Timing Error

UNITS

MIN

TYP

MAX

PARAMETER

CONDITIONS

SYMBOL

ALERT forced to 5.5V

µA

1

ALERT Output High
Leakage Current

ALERT forced to 0.4V

mA

6

ALERT Output Low Sink Current

UNITS

MIN

TYP

MAX

PARAMETER

(Note 3)

kHz

DC 100

SMBus Clock Frequency

90% to 90% points

t

HIGH

µs

4

SMBCLK Clock High Time

10% to 10% points

t

LOW

µs

4.7

SMBCLK Clock Low Time

90% to 10% points

t

F

ns

300

SMBCLK, SMBDATA Fall Time

90% to 90% points

10% to 90% points

t

SU:STA

ns

500

SMBus Repeated Start
Condition Setup Time

µs

4.7

SMBus Start Condition
Setup Time

t

R

µs

1

SMBCLK, SMBDATA Rise Time

pF

5

SMBCLK, SMBDATA Input
Capacitance

90% of SMBCLK to 10% of SMBDATA

t

SU:STO

µs

4

SMBus Stop Condition
Setup Time

(Note 4)

10% of SMBDATA to 90% of SMBCLK

t

HD:DAT

µs

0

SMBus Data-Hold Time

90% of SMBDATA to 10% of SMBCLK

t

SU:DAT

ns

250

SMBus Data Valid to SMBCLK
Rising-Edge Time

t

HD:STA

µs

4

SMBus Start Condition
Hold Time

Master clocking in data

µs

1

SMBCLK Falling Edge to SMBus
Data-Valid Time

Between start/stop condition

t

BUF

µs

4.7

SMBus Bus Free Time

V

CC

t

CONV

SYMBOL