Datasheet

ADM6821/ADM6822/ADM6823/ADM6824/ADM6825
Rev. 0 | Page 3 of 12
SPECIFICATIONS
V
CC
= 4.5 V to 5.5 V for ADM682_L/M; V
CC
= 2.7 V to 3.6 V for ADM682_T/S/R; V
CC
= 2.1 V to 2.75 V for ADM682_Z/Y; V
CC
= 1.53 V
to 2.0 V for ADM682_W/V; T
A
= –40°C to +125°C, unless otherwise noted.
Table 2.
Parameter Min Typ Max Unit Test Conditions/Comments
SUPPLY
V
CC
Operating Voltage Range 1 5.5 V
Supply Current 10 20 μA
WDI and
MR unconnected, V
CC
= 5.5 V
7 16 μA
WDI and
MR unconnected, V
CC
= 3.6 V
RESET THRESHOLD VOLTAGE
ADM682xL 4.50 4.63 4.75 V
ADM682xM 4.25 4.38 4.50 V
ADM682xT 3.00 3.08 3.15 V
ADM682xS 2.85 2.93 3.00 V
ADM682xR 2.55 2.63 2.70 V
ADM682xZ 2.25 2.32 2.38 V
ADM682xY 2.12 2.19 2.25 V
ADM682xW 1.62 1.67 1.71 V
ADM682xV 1.52 1.58 1.62 V
RESET THRESHOLD TEMPERATURE COEFFICIENT 60 ppm/°C
RESET THRESHOLD HYSTERESIS 2 x V
TH
mV
V
CC
TO RESET DELAY 20 μs
V
TH
− V
CC
= 100 mV
RESET TIMEOUT PERIOD 140 200 280 ms
RESET Output Voltage
V
OL
(Push-Pull or Open-Drain) 0.3 V V
CC
> = 1 V, I
SINK
= 50 μA
0.3 V V
CC
> = 1.2 V, I
SINK
= 100 μA
0.3 V V
CC
> = 2.55 V, I
SINK
= 1.2 mA
0.4 V V
CC
> = 4.25 V, I
SINK
= 3.2 mA
V
OH
(Push-Pull Only) 0.8 × V
CC
V V
CC
> = 1.8 V, I
SOURCE
= 200 μA
0.8 × V
CC
V V
CC
> = 3.15 V, I
SOURCE
= 500 μA
0.8 × V
CC
V V
CC
> = 4.75 V, I
SOURCE
= 800 μA
RESET OUTPUT LEAKAGE CURRENT (Open-Drain
Only)
1 μA
RESET not asserted
RESET OUTPUT VOLTAGE (Push-Pull Only)
V
OH
0.8 × V
CC
V V
CC
> = 1 V, I
SOURCE
= 1 μA
0.8 × V
CC
V V
CC
> = 1.5 V, I
SOURCE
= 100 μA
0.8 × V
CC
V V
CC
> = 2.55 V, I
SOURCE
= 500 μA
0.8 × V
CC
V V
CC
> = 4.25 V, I
SOURCE
= 800 μA
V
OL
0.3 V V
CC
> = 1.8 V, I
SINK
= 500 μA
0.3 V V
CC
> = 3.15 V, I
SINK
= 1.2 mA
0.4 V V
CC
> = 4.75 V, I
SINK
= 3.2 mA
MANUAL RESET INPUT
(ADM6821/ADM6822/ADM6823/ADM6825)
MR Input Threshold
V
IL
0.3 × V
CC
V
V
IH
0.7 × V
CC
V
MR Input Pulse Width
1 μs
MR Glitch Rejection
100 ns
MR to Reset Delay
200 ns
MR Pull-Up Resistance
25 50 75 kΩ