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ADM13305-5ARZRL7

P1-P3P4-P6P7-P9P10-P12P13-P13
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.
ADM13305
Rev. 0 | Page 4 of 12
V
DD
= 2.7 V to 5.5 V, −40°C ≤ T
A
≤ +85°C, unless otherwise noted.
Table 2. ADM13305-4 and ADM13305-5
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
OH
= 20 µA
0.4 V I
OH
= 2 mA, V
DD
= 3.3 V
0.4 V I
OH
= 3 mA, V
DD
= 5.5 V
Power-Up Reset Voltage
1
0.4 V I
OH
= 20 µA, V
DD
≥ 1.1 V
SENSEv INPUTS
Falling Input Threshold Voltage, V
IT−
0.5952 0.6 0.6048 V T
A
= −40°C to +85°C
2.23 2.25 2.29 V T
A
= −40°C to +85°C
2.90 2.93 2.98 V T
A
= −40°C to +85°C
Hysteresis at SENSEv Inputs, V
HYS
0 mV V
IT−
= 0.6 V
20 mV V
IT−
= 2.25 V
30 mV V
IT−
= 2.93 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 −50 +50 nA 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 µs/V.
ADM13305
Rev. 0 | Page 5 of 12
TIMING REQUIREMENTS
V
DD
= 2.7 V to 5.5 V, R
L
= 1 MΩ, C
L
= 50 pF, T
A
= 25°C.
Table 3. ADM13305-18, ADM13305-25 and ADM13305-33
Parameter Min Typ Max Unit Test Conditions/Comments
PULSE WIDTH (t
w
)
SENSEv 6 µs V
SENSEvL
= V
IT−
− 0.3 V, V
SENSEvH
= V
IT+
+ 0.3 V
MR
100 ns V
IH
= 0.7 × V
DD
, V
IL
= 0.3 × V
DD
WDI 100 ns V
IH
= 0.7 × V
DD
, V
IL
= 0.3 × V
DD
Table 4. ADM13305-4 and ADM13305-5
Parameter Min Typ Max Unit Test Conditions/Comments
PULSE WIDTH (t
w
)
SENSEv 30 µs V
SENSEvL
= V
IT−
− 0.3 V, V
SENSEvH
= V
IT+
+ 0.3 V
MR
100 ns V
IH
= 0.7 × V
DD
, V
IL
= 0.3 × V
DD
WDI 100 ns V
IH
= 0.7 × V
DD
, V
IL
= 0.3 × V
DD
SWITCHING CHARACTERISTICS
V
DD
= 2.7 V to 5.5 V, R
L
= 1 MΩ, C
L
= 50 pF, T
A
= 25°C.
Table 5. ADM13305-18, ADM13305-25 and ADM13305-33
Parameter Min Typ Max Unit Test Conditions/Comments
Watchdog Timeout (t
t(OUT)
) 1.1 1.6 2.3 sec
V
I(SENSEv)
≥ V
IT+
+ 0.2 V, MR ≥ 0.7 × V
DD
Delay Time (t
d
) 140 200 280 ms
V
I(SENSEv)
≥ V
IT+
+ 0.2 V, MR ≥ 0.7 × V
DD
Propagation Delay, High-to-Low, MR to RESET
1
/RESET (t
PHL
)
200 500 ns V
I(SENSEv)
≥ V
IT+
+ 0.2 V, V
IH
≥ 0.7 × V
DD
, V
IL
≥ 0.3 × V
DD
Propagation Delay, Low-to-High, MR to RESET/RESET
1
(t
PLH
)
200 500 ns V
I(SENSEv)
≥ V
IT+
+ 0.2 V, V
IH
≥ 0.7 × V
DD
, V
IL
≥ 0.3 × V
DD
Propagation Delay, High-to-Low, SENSEv to RESET
1
/RESET (t
PHL
)
1 5 µs
V
IH
= V
IT+
+ 0.3 V, V
IL
= V
IT−
− 0.3 V, MR ≥ 0.7 × V
DD
Propagation Delay, Low-to-High, SENSEv to RESET/RESET
1
(t
PLH
)
1 5 µs
V
IH
= V
IT+
+ 0.3 V, V
IL
= V
IT−
− 0.3 V, MR ≥ 0.7 × V
DD
1
The reset timeout delay of 200 ms masks the propagation delay.
Table 6. ADM13305-4 and ADM13305-5
Parameter Min Typ Max Unit Test Conditions/Comments
Watchdog Timeout (t
t(out)
) 1.1 1.6 2.3 sec
V
I(SENSEv)
≥ V
IT+
+ 0.2 V, MR ≥ 0.7 × V
DD
Delay Time (t
d
) 140 200 280 ms
V
I(SENSEv)
≥ V
IT+
+ 0.2 V, MR ≥ 0.7 × V
DD
Propagation Delay, High-to-Low, MR to RESET
1
/RESET (t
PHL
)
200 500 ns V
I(SENSEv)
≥ V
IT+
+ 0.2 V, V
IH
≥ 0.7 × V
DD
, V
IL
≥ 0.3 × V
DD
Propagation Delay, Low-to-High, MR to RESET/RESET
1
(t
PLH
)
200 500 ns V
I(SENSEv)
≥ V
IT+
+ 0.2 V, V
IH
≥ 0.7 × V
DD
, V
IL
≥ 0.3 × V
DD
Propagation Delay, High-to-Low, SENSEv to RESET
1
/RESET (t
PHL
)
30 µs
V
IH
= V
IT+
+ 0.3 V, V
IL
= V
IT−
− 0.3 V, MR ≥ 0.7 × V
DD
Propagation Delay, Low-to-High, SENSEv to RESET/RESET
1
(t
PLH
)
30 µs
V
IH
= V
IT+
+ 0.3 V, V
IL
= V
IT−
− 0.3 V, MR ≥ 0.7 × V
DD
1
The reset timeout delay of 200 ms masks the propagation delay.
FUNCTIONAL TRUTH TABLE
Table 7.
MR
SENSE1 > V
IT1
SENSE2 > V
IT2
RESET
RESET
L X
1
X
1
L H
H 0 0 L H
H 0 1 L H
H 1 0 L H
H 1 1 H L
1
X = don’t care.
P1-P3P4-P6P7-P9P10-P12P13-P13

ADM13305-5ARZRL7

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Manufacturer:
Analog Devices Inc.
Description:
Supervisory Circuits Dual Supervisory Circuits
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