Rainbow Electronics MAX1619 - Manual (Page 3)

MAX1619
Remote/Local Temperature Sensor with Dual-
Alarm Outputs and SMBus Serial Interface
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V CC = +3.3V, T A = 0°C to +85°C , configuration byte = XCh, unless otherwise noted.)
STBY, SMBCLK, SMBDATA; V
CC = 3V to 5.5V
t HIGH , 90% to 90% points
t LOW , 10% to 10% points
(Note 5)
SMBCLK, SMBDATA
Logic inputs forced to V CC or GND
ALERT, OVERT, forced to 5.5V
STBY, SMBCLK, SMBDATA; V
CC = 3V to 5.5V
ALERT, OVERT, SMBDATA forced to 0.4V
CONDITIONS
µs 4 SMBCLK Clock High Time
µs 4.7 SMBCLK Clock Low Time
kHz DC 100 SMBus Clock Frequency
pF 5 SMBus Input Capacitance
µA -1 1 Logic Input Current
µA 1
ALERT, OVERT Output High
Leakage Current
V 2.2 Logic Input High Voltage
V 0.8 Logic Input Low Voltage
mA 6 Logic Output Low Sink Current
UNITS MIN TYP MAX PARAMETER
t SU:DAT , 10% or 90% of SMBDATA to 10% of SMBCLK
t SU:STO , 90% of SMBCLK to 10% of SMBDATA
t HD:STA , 10% of SMBDATA to 90% of SMBCLK
t SU:STA , 90% to 90% points
ns 250
SMBus Data Valid to SMBCLK
Rising-Edge Time
µs 4 SMBus Stop-Condition Setup Time
µs 4 SMBus Start-Condition Hold Time
ns 500
SMBus Repeated Start-Condition
Setup Time
µs 4.7 SMBus Start-Condition Setup Time
t HD:DAT (Note 6) µs 0 SMBus Data-Hold Time
Master clocking in data µs 1
SMBCLK Falling Edge to SMBus
Data-Valid Time
SMBus INTERFACE
ELECTRICAL CHARACTERISTICS
(V CC = +3.3V, T A = -55°C to +125°C , configuration byte = XCh, unless otherwise noted.) (Note 4)
CONDITIONS
Monotonicity guaranteed
T A = +60°C to +100°C
Bits 8 Temperature Resolution (Note 1)
-2 2
T R = +60°C to +100°C
T A = -55°C to +125°C
°C
-3 3
Initial Temperature Error,
Local Diode (Note 2)
V 3.0 5.5 Supply Voltage Range
From stop bit to conversion complete (both channels)
Autoconvert mode
ms 94 125 156 Conversion Time
% -25 25 Conversion Rate Timing Error
-3 3
T R = -55°C to +125°C
°C
UNITS MIN TYP MAX
-5 5
PARAMETER
Temperature Error, Remote Diode
(Notes 2, 3)
ADC AND POWER SUPPLY