Multichannel Remote/Local
Temperature Sensors
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +3.3V,
STBY
= V
CC
, configuration byte = X0XXXX00,
T
A
= 0°C to +125°C,
unless otherwise noted.)
PARAMETER
SMBus INTERFACE
Logic Input High Voltage
Logic Input Low Voltage
Logic Output Low Sink Current
ALERT
Output High Leakage
Current
Logic Input Current
SMBus Input Capacitance
SMBus Clock Frequency
SMBCLK Clock Low Time
SMBCLK Clock High Time
SMBus Start-Condition Setup Time
SMBus Repeated Start-Condition
Setup Time
SMBus Start-Condition Hold Time
SMBus Stop-Condition Setup Time
SMBus Data Valid to SMBCLK
Rising-Edge Time
SMBus Data-Hold Time
SMBCLK Falling Edge to SMBus
Data-Valid Time
t
SU:STA
, 90% to 90% points
t
HD:STA
, 10% of SMBDATA to 90% of SMBCLK
t
SU:STO
, 90% of SMBCLK to 10% of SMBDATA
t
SU:DAT
, 10% or 90% of SMBDATA to 10% of SMBCLK
t
HD:DAT
, slave receive (Note 5)
Master clocking in data
STBY,
SMBCLK, SMBDATA; V
CC
= 3V to 5.5V
STBY,
SMBCLK, SMBDATA; V
CC
= 3V to 5.5V
ALERT,
SMBDATA forced to 0.4V
ALERT
forced to 5.5V
Logic inputs forced to V
CC
or GND
SMBCLK, SMBDATA
(Note 4)
t
LOW
, 10% to 10% points
t
HIGH
, 90% to 90% points
DC
4.7
4
4.7
250
4
4
250
0
1
-1
5
100
6
1
+1
2.2
0.8
V
V
mA
µA
µA
pF
kHz
µs
µs
µs
ns
µs
µs
ns
ns
µs
CONDITIONS
MIN
TYP
MAX
UNITS
MAX1668/MAX1805/MAX1989
†
ELECTRICAL CHARACTERISTICS
(V
CC
= +5V,
STBY
= V
CC
, configuration byte = X0XXXX00,
T
A
= -55°C to +125°C,
unless otherwise noted.) (Note 6)
PARAMETER
ADC AND POWER SUPPLY
Temperature Resolution
Initial Temperature Error,
Local Diode (Note 2)
Temperature Error, Remote Diode
(Notes 2, 3)
Supply-Voltage Range
Conversion Time
From stop bit to conversion complete (both channels)
Monotonicity guaranteed
T
A
= +60°C to +100°C
T
A
= -55°C to +125°C
T
R
= +60°C to +100°C
T
R
= -55°C to +125°C
8
-2
-3
-3
-5
4.5
260
+2
+3
+3
+5
5.5
380
Bits
°C
°C
V
ms
CONDITIONS
MIN
TYP
MAX
UNITS
_______________________________________________________________________________________
3
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
