Datasheet
LM75B All information provided in this document is subject to legal disclaimers. © NXP B.V. 2015. All rights reserved.
Product data sheet Rev. 6.1 — 6 February 2015 20 of 37
NXP Semiconductors
LM75B
Digital temperature sensor and thermal watchdog
11. Static characteristics
[1] Typical values are at V
CC
= 3.3 V and T
amb
=25C.
Table 18. Static characteristics
V
CC
= 2.8 V to 5.5 V; T
amb
=
55
C to +125
C; unless otherwise specified.
Symbol Parameter Conditions Min Typ
[1]
Max Unit
T
acc
temperature accuracy T
amb
= 25 C to +100 C 2-+2C
T
amb
= 55 C to +125 C 3-+3C
T
res
temperature resolution 11-bit digital temp data - 0.125 - C
t
conv(T)
temperature conversion
time
normal mode - 10 - ms
T
conv
conversion period normal mode - 100 - ms
I
DD(AV)
average supply current normal mode: I
2
C-bus inactive - 100 200 A
normal mode: I
2
C-bus active;
f
SCL
= 400 kHz
--300A
shutdown mode - 0.2 1.0 A
V
IH
HIGH-level input voltage digital pins (SCL, SDA, A2 to A0) 0.7 V
CC
-V
CC
+0.3 V
V
IL
LOW-level input voltage digital pins 0.3 - 0.3 V
CC
V
V
I(hys)
hysteresis of input voltage SCL and SDA pins - 300 - mV
A2, A1, A0 pins - 150 - mV
I
IH
HIGH-level input current digital pins; V
I
=V
CC
1.0 - +1.0 A
I
IL
LOW-level input current digital pins; V
I
= 0 V 1.0 - +1.0 A
V
OL
LOW-level output voltage SDA and OS pins; I
OL
=3mA - - 0.4 V
I
OL
=4mA - - 0.8 V
I
LO
output leakage current SDA and OS pins; V
OH
=V
CC
--10A
N
fault
number of faults programmable; conversions in
overtemperature-shutdown fault
queue
1-6
T
th(ots)
overtemperature
shutdown threshold
temperature
default value - 80 - C
T
hys
hysteresis temperature default value - 75 - C
C
i
input capacitance digital pins - 20 - pF