12-Bit + Sign Digital Temperature Sensors
with Serial Interface
ELECTRICAL CHARACTERISTICS (continued)
(V CC = +3.0V to +5.5V, T A = -55°C to +125°C, unless otherwise noted. Typical values are at V CC = +3.3V and T A = +25°C.) (Notes 2
and 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
LOGIC INPUTS ( CS , SCK)
Logic Input Low Voltage
Logic Input High Voltage
V IL
V IH
0.7 x
V CC
0.3 x
V CC
V
V
Input Leakage Current
I LEAK
V IN = V GND or +5.5V
± 1
±5
μA
LOGIC OUTPUTS (SO)
Output Low Voltage
Output High Voltage
V OL
V OH
I SINK = 1.6mA
I SOURCE = 1.6mA
V CC - 0.4
0.4
V
V
TIMING CHARACTERISTICS (Notes 4 and 5)
Serial Clock Frequency
SCK Pulse Width High
SCK Pulse Width Low
f SCL
t CH
t CL
100
100
5
MHz
ns
ns
CS Fall to SCK Rise
CS Fall to Output Enable
CS Rise to Output Disable
SCK Fall to Output Data Valid
t CSS
t DV
t TR
t DO
C LOAD = 10pF
C LOAD = 10pF
C LOAD = 10pF
C LOAD = 10pF
80
80
50
80
ns
ns
ns
ns
Note 2: Tested at a single temperature. Specifications over temperature are guaranteed by design.
Note 3: The MAX6629–MAX6632 are not specifically equipped with a shutdown function. Their low supply current permits powering
them from the output of a logic gate. This specification is given to ensure that the MAX6629–MAX6632 do not draw
excessive currents at low supply voltages, ensuring reliable operation from a gate output.
Note 4: Timing characteristics are guaranteed by design and are not production tested.
Note 5: C LOAD = total capacitance of one bus line in picofarads.
_______________________________________________________________________________________
3
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