ADM693A Analog Devices, ADM693A Datasheet - Page 2
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ADM693A
Manufacturer Part Number
ADM693A
Description
Manufacturer
Analog Devices
Datasheet
1.ADM691A.pdf
(12 pages)
Specifications of ADM693A
Batt-backup-flg
Yes
Product Description
µP Supervisor w/ Backup Battery Switchover, Watchdog, Pwr Fail Warning, 4.4V Threshold, 250mA Iout
Reset Threshold (v)
4.4
Min Reset Timeout (ms)
140 (Adjustable)
Reset Output-stage
Active-High/Open-Drain,Active-Low/Push-Pull
Backup-battery Switch
Yes
Chip Enable Gating
Yes
Typ Watchdog Timeout (ms)
100,1600,adj.
Package
DIP,SOIC
Us Price 1000-4999
n/a
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(V
ADM691A/ADM693A/ADM800L/M–SPECIFICATIONS
Parameter
BATTERY BACKUP SWITCHING
RESET AND WATCHDOG TIMER
POWER FAIL DETECTOR
CC
V
V
V
V
V
Supply Current (Excludes I
Supply Current in B. Backup (Excludes I
Battery Standby Current
Battery Switchover Threshold
V
Battery Switchover Hysteresis
BATT ON Output Voltage Low
BATT ON Output Short Circuit Current
Reset Voltage Threshold
Reset Threshold Hysteresis
V
LOW LINE to RESET Delay
Reset Timeout Period Internal Oscillator
Reset Timeout Period External Clock
Watchdog Timeout Period, Internal Oscillator
Watchdog Timeout Period, External Clock
Minimum WDI Input Pulse Width
RESET Output Voltage
RESET Output Short Circuit Current
RESET Output Voltage Low
LOW LINE Output Voltage
LOW LINE Short Circuit Source Current
WDO Output Voltage
WDO Short Circuit Source Current
WDI Input Threshold
WDI Input Current
PFI Input Threshold ADM69xA
PFI Input Threshold ADM800L/M
PFI Input Current
PFO Output Voltage
PFO Short Circuit Source Current
PFI to PFO Delay
= 4.75 V to 5.5 V (ADM691A, ADM800L) 4.5 V to 5.5 V (ADM693A, ADM800M) V
CC
OUT
CC
OUT
BATT
CC
CC
(+ = Discharge, – = Charge)
ADM691A, ADM800L
ADM693A, ADM800M
ADM800L, V
ADM800M, V
Logic Low
Logic High
, V
–V
to V
to RESET Delay
Output Voltage
in Battery Backup Mode
to V
BATT
BATT
OUT
OUT
Operating Voltage Range
Output Resistance
Output Resistance
CC
CC
Falling
Falling
OUT
)
OUT
)
Min
0
V
V
V
V
V
–0.1
–1.0
1
4.5
4.25
4.55
4.3
140
1.0
70
100
3.5
0.1
3.5
1
3.5
0.75
–50
1.2
1.225
3.5
1
CC
CC
BATT
BATT
BATT
– 0.05
– 0.3
– 0.25
– 0.15
V
– 0.3
CC
–2–
Typ
V
V
0.8
70
0.04
V
V
60
0.1
0.7
60
15
4.65
4.40
15
80
800
200
2048
1.6
100
4096
1024
0.004
0.1
7
0.4
15
3
–10
20
1.25
1.25
15
25
60
0.01
CC
CC
BATT
BATT
– 0.02
– 0.2
+ 0.03
– 0.03
BATT
= +2.8 V, T
Max
5.5
1.2
12
20
25
100
1
+0.02
+0.02
0.4
1.5
100
4.75
4.50
4.70
4.45
280
2.25
140
0.3
0.4
20
0.4
100
0.4
10
0.8
50
1.3
1.275
0.4
100
25
A
= T
Unit
V
V
V
V
V
V
V
V
mV
V
V
mA
V
V
V
V
mV
ns
ms
Cycles
s
ms
Cycles
Cycles
ns
V
V
V
mA
V
V
V
V
V
mA
V
V
V
V
nA
V
A
A
A
A
A
s
A
A
A
A
s
s
MIN
to T
MAX
Test Conditions/Comments
I
I
V
V
V
V
V
V
V
V
V
5.5 V > V
(V
(V
Power Up
Power Down
I
I
Sink Current
Source Current
T
T
Power Down
Power Up
Power Up
Long Period
Short Period
Long Period
Short Period
V
I
I
I
I
I
I
I
I
WDI = 0 V
WDI = V
V
V
I
I
V
V
OUT
OUT
SINK
SINK
SINK
SINK
SOURCE
SINK
SINK
SOURCE
SINK
SOURCE
SINK
SOURCE
CC
BATT
BATT
BATT
BATT
BATT
BATT
CC
CC
IL
CC
CC
IN
IN
A
A
BATT
BATT
= +25 C
= +25 C
unless otherwise noted)
= 0.4, V
= –20 mV
= 20 mV
< (V
= 4.5 V
> (V
= 5 V
= 5 V
= 25 mA
= 250 mA
= 50 A, V
= 3.2 mA
= 25 mA
= 3.2 mA, V
= 3.2 mA
= 3.2 mA, V
= 3.2 mA, V
= 3.2 mA
= 2.8 V, I
= 2.0 V, I
= 4.5 V, I
= 2.8 V
= 2.0 V
= 4.5 V
+0.2 V) < V
+0.2 V) < V
= 1.6 mA, V
= 1 A, V
= 500 A, V
= 1 A
BATT
BATT
OUT
CC
IH
> V
– 1.2 V), V
– 1 V)
= 0.75
CC
OUT
OUT
OUT
BATT
CC
CC
CC
CC
= 1 V, V
CC
CC
= 10 mA
= 5 mA
= 20 mA
CC
= 4.25 V
= 4.25 V
= 5 V
= 4.25 V
CC
+ 0.2 V
, T
V
= 5 V
= 5 V
BATT
CC
A
BATT
= +25 C
REV. 0
= 2.8 V
= 0 V