NCT7491
http://onsemi.com
4
Table 1. ABSOLUTE MAXIMUM RATINGS
Parameter
Rating
Positive Supply Voltage (V
CC
)
3.6 V
Maximum Voltage on +12V
IN
Pin
14 V
Maximum Voltage on +5V
IN
Pin
6.25 V
Maximum Voltage on All OpenDrain Outputs (excluding PWM pins)
3.6 V
Maximum Voltage on PWM Pins
+5.5 V
Maximum Voltage on TACH Pins
+5.5 V
Voltage on Remaining Input or Output Pins
0.3 V to +4.2 V
Input Current at Any Pin
? mA
Package Input Current
?0 mA
Maximum Junction Temperature (T
J
max
)
150癈
Storage Temperature Range
65癈 to +150癈
Lead Temperature, Soldering
IR Reflow Peak Temperature
220癈
PbFree Peak Temperature
260癈
Lead Temperature (Soldering, 10 sec)
300癈
ESD Rating
HBM
2 kV
FICDM
0.5 kV
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
Specifications
T
A
= T
MIN
to T
MAX
, V
CC
= V
MIN
to V
MAX
, unless
otherwise noted. All voltages are measured with respect to
GND, unless otherwise specified. Typical voltages are at T
A
= 25癈 and represent a parametric norm. Logic inputs accept
input high voltages up to V
MAX
, even when the device is
operating down to V
MIN
. Timing specifications are tested at
logic levels of V
IL
= 0.8 V for a falling edge, and V
IH
= 2.0 V
for a rising edge. SMBus timing specifications are
guaranteed by design and are not production tested.
Table 2. SPECIFICATIONS
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
POWER SUPPLY
Supply Voltage
3.0
3.3
3.6
V
Supply Current, I
CC
1.5
5
mA
Interface inactive, ADC active
TEMPTODIGITAL CONVERTER
Local Sensor Accuracy
?.5
?.5
癈
0癈 d T
A
d 85癈
Local Sensor Resolution
0.25
癈
Remote Diode Sensor Accuracy
?.5
?.5
癈
0癈 d T
A
d 85癈
40癈 d T
D
d 125癈
Remote Sensor Resolution
0.25
癈
Remote Sensor Source Current
30
mA
Low Level 1
240
mA
High Level 1
37.5
mA
Low Level 2
300
mA
High Level 2
Series Resistance Cancellation
270
W