Datasheet

ADM8616/ADM8617
Rev. B | Page 3 of 12
SPECIFICATIONS
V
CC
= full operating range, T
A
= −40
o
C to +85
o
C, unless otherwise noted.
Table 1.
Parameter Min Typ Max Unit Test Conditions/Comments
SUPPLY
V
CC
Operating Voltage Range 1 5.5 V
Supply Current 10 20 μA V
CC
= 5.5 V
5 12 μA V
CC
= 3.6 V
RESET THRESHOLD VOLTAGE
ADM861xL 4.50 4.63 4.75 V
ADM861xM 4.25 4.38 4.50 V
ADM861xT 3.00 3.08 3.15 V
ADM861xS 2.85 2.93 3.00 V
ADM861xR 2.55 2.63 2.70 V
ADM861xZ 2.25 2.32 2.38 V
ADM861xY 2.12 2.19 2.25 V
ADM861xW 1.62 1.67 1.71 V
ADM861xV 1.52 1.58 1.62 V
RESET THRESHOLD TEMPERATURE COEFFICIENT
40 ppm/°C
RESET THRESHOLD HYSTERESIS
2 × V
TH
mV
RESET TIMEOUT PERIOD
ADM861xxA 1 1.4 2 ms
ADM861xxB 20 28 40 ms
ADM861xxC 140 200 280 ms
ADM861xxD 1120 1600 2240 ms
V
CC
TO RESET DELAY
40 μs V
CC
falling at 1 mV/μs
RESET OUTPUT VOLTAGE
VOL (Open-Drain and Push-Pull) 0.3 V V
CC
≥ 1.0 V, I
SINK
= 50 μA
0.3 V V
CC
≥ 1.2 V, I
SINK
= 100 μA
0.3 V V
CC
≥ 2.7 V, I
SINK
= 1.2 mA
0.4 V V
CC
≥ 4.5 V, I
SINK
= 3.2 mA
VOH (Push-Pull Only) 0.8 × V
CC
V V
CC
≥ 2.7 V, I
SOURCE
= 500 μA
V
CC
− 1.5
V V
CC
≥ 4.5 V, I
SOURCE
= 800 μA
RESET Rise Time
5 25 ns From 10% to 90% V
CC
, C
L
= 5 pF, V
CC
= 3.3 V
Open-Drain RESET Output Leakage Current
1 μA
WATCHDOG INPUT
Watchdog Timeout Period
ADM861xxxW 4.3 6.3 9.3 ms
ADM861xxxX 71 102 153 ms
ADM861xxxY 1.12 1.6 2.4 sec
WDI Pulse Width 50 ns V
IL
= 0.3 × V
CC
, V
IH
= 0.7 × V
CC
WDI Input Threshold V
VIL 0.3 × V
CC
VIH 0.7 × V
CC
V
WDI Input Current 120 160 μA V
WDI
= V
CC
−20 −15
μA V
WDI
= 0