Datasheet

ADM13305
Rev. 0 | Page 3 of 12
SPECIFICATIONS
V
DD
= 2.7 V to 5.5 V, −40°C ≤ T
A
≤ +85°C, unless otherwise noted.
Table 1. ADM13305-18, ADM13305-25, and ADM13305-33
Parameter Min Typ Max Unit Test Conditions/Comments
OPERATING VOLTAGE RANGE, V
DD
2.7 5.5 V
SUPPLY CURRENT, I
DD
40 µA
INPUT CAPACITANCE, C
I
10 pF V
I
= 0 V to V
DD
RESET, RESET OUTPUT
High Level Output Voltage, V
OH
V
DD
− 0.2 V I
OH
= −20 µA
V
DD
− 0.4 V I
OH
= −2 mA, V
DD
= 3.3 V
V
DD
− 0.4 V I
OH
= −3 mA, V
DD
= 5.5 V
Low Level Output Voltage, V
OL
0.2 V I
OL
= 20 µA
0.4 V I
OL
= 2 mA, V
DD
= 3.3 V
0.4 V I
OL
= 3 mA, V
DD
= 5.5 V
Power-Up Reset Voltage
1
0.4 V I
OL
= 20 µA, V
DD
≥ 1.1 V
SENSE INPUTS
Falling Threshold Voltage, V
IT−
1.64 1.68 1.72 V T
A
= 0°C to 85°C
2.20 2.25 2.30 V T
A
= 0°C to 85°C
2.86 2.93 3.00 V T
A
= 0°C to 85°C
4.46 4.55 4.64 V T
A
= 0°C to 85°C
1.64 1.68 1.73 V T
A
= −40°C to +85°C
2.20 2.25 2.32 V T
A
= −40°C to +85°C
2.86 2.93 3.02 V T
A
= −40°C to +85°C
4.46 4.55 4.67 V T
A
= −40°C to +85°C
Hysteresis at SENSEv Inputs, V
HYS
15 mV V
IT−
= 1.68 V
20 mV V
IT−
= 2.25 V
30 mV V
IT−
= 2.93 V
40 mV V
IT−
= 4.55 V
WDI
Average High Level Input Current, I
H(AV)
100 150 µA WDI = V
DD
= 5.5 V
Average Low Level Input Current, I
L(AV)
−15 −20 µA WDI = 0 V, V
DD
= 5.5 V
INPUT VOLTAGE AT MR AND WDI
High Level, V
IH
0.7 × V
DD
V
Low Level, V
IL
0.3 × V
DD
V
INPUT TRANSITION RISE AND FALL RATE AT MR
50 ns/V
HIGH LEVEL INPUT CURRENT, I
H
WDI 120 170 µA WDI = V
DD
= 5.5 V
MR
−130 −180 µA
MR
= 0.7 × V
DD
, V
DD
= 5.5 V
SENSE1 5 8 µA SENSE1 = V
DD
= 5.5 V
SENSE2 6 9 µA SENSE2 = V
DD
= 5.5 V
LOW LEVEL INPUT CURRENT, I
L
WDI −120 −170 µA WDI = 0 V, V
DD
= 5.5 V
MR
−430 −600 µA
MR
= 0 V, V
DD
= 5.5 V
SENSEv −1 +1 µA SENSE1, SENSE2 = 0 V
1
The lowest supply voltage at which
RESET
becomes active. t
r
, V
DD
≥ 15 s/V.