ADM697 Analog Devices, ADM697 Datasheet - Page 2

• Manufacturer Part Number: ADM697
• Manufacturer: Analog Devices

Specifications of ADM697

• Product Description: µP Supv with CE Inputs, Adj Low Line V Monitor, Adj W-dog Timer, Low Line, Pwr Fail & W-dog Status
• Reset Threshold (v): 1.3,Adjustable
• Min Reset Timeout (ms): 35
• Reset Output-stage: Active-High/Push-Pull,Active-Low/Push-Pull
• Backup-battery Switch: No
• Chip Enable Gating: Yes
• Typ Watchdog Timeout (ms): 100,1600,adj.
• Package: DIP,SOIC
• Us Price 1000-4999: n/a
• Display In Ist: Yes
• Batt Source Sel Flg: Y
• Reset Threshold Summary: 1.3V (Adjustable)
• Min Positive Supply (v): +3V
• Batt-backup-flg: Yes

ADM696/ADM697–SPECIFICATIONS
P
BATTERY BACKUP SWITCHING (ADM696)
RESET AND WATCHDOG TIMER
POWER FAIL DETECTOR
CHIP ENABLE GATING (ADM697)
OSCILLATOR
NOTE
1
Specifications subject to change without notice.
WDI is a three-level input which is internally biased to 38% of V
arameter
V
V
V
V
Supply Current (Excludes I
Supply Current in Battery Backup Mode
Battery Standby Current
(+ = Discharge, – = Charge)
Battery Switchover Threshold
V
Battery Switchover Hysteresis
BATT ON Output Voltage
BATT ON Output Short Circuit Current
Low Line Threshold (LL
Reset Timeout Delay
Watchdog Timeout Period, Internal Oscillator
Watchdog Timeout Period, External Clock
Minimum WDI Input Pulse Width
RESET Output Voltage @ V
RESET, RESET Output Voltage
LOW LINE, WDO Output Voltage
Output Short Circuit Source Current
WDI Input Threshold
Logic Low
Logic High
WDI Input Current
PFI Input Threshold
PFI–LL
PFI Input Current
LL
PFO Output Voltage
PFO Short Circuit Source Current
CE
CE
CE
CE Propagation Delay
OSC IN Input Current
OSC SEL Input Pullup Current
OSC IN Frequency Range
OSC IN Frequency with Ext. Capacitor
CC
BATT
OUT
OUT
CC
IN
IN
IN
OUT
Operating Voltage Range
– V
Input Current
Output Voltage
in Battery Backup Mode
Threshold
Pullup Current
Operating Voltage Range
Output Voltage
BATT
IN
Threshold Difference
IN
)
OUT
CC
)
= +1 V
Min
3.0
2.0
V
V
V
–0.1
–1
0.5
1.25
35
1.0
70
4032
960
50
3.5
3.5
1
3.5
–50
1.2
–50
–25
–50
3.5
1
3.0
V
0
CC
CC
BATT
CC
– 0.05
– 0.5
– 0.5
– 0.05
CC
and has an input impedance of approximately 125 k .
Typ
V
V
V
1
0.6
70
50
20
7
1
1.3
50
1.6
100
4
3
20
–15
1.3
3
3
5
5
4
CC
CC
BATT
15
0.01
0.01
2
–2–
– 0.025
– 0.25
– 0.02
(V
unless otherwise noted.)
Max
5.5
V
1.95
1
+0.02
+0.02
0.4
25
1.35
70
2.25
140
1025
200
0.4
0.4
0.4
25
0.8
50
1.4
+50
+25
+50
0.4
25
0.8
0.4
25
250
4097
CC
CC
= Full Operating Range, V
– 0 3
Units
V
V
V
V
V
mA
mV
mV
mV
V
mA
V
ms
s
ms
Cycles Long Period
Cycles Short Period
ns
mV
V
V
V
V
V
V
V
V
mV
nA
nA
V
V
V
V
V
V
ns
kHz
kHz
A
A
A
A
A
A
A
A
A
A
A
Test Conditions/Comments
I
I
I
I
V
5.5 V > V
T
Power-Down
I
BATT ON = V
BATT ON = V
V
OSC SEL = HIGH, V
Long Period, V
Short Period, V
V
I
I
I
I
I
I
V
WD1 = V
WD1 = 0 V, T
V
V
I
I
PFI = Low, PFO = 0 V
V
V
I
I
OSC SEL = 0 V
OSC SEL = 0 V, C
Power-Up
OUT
OUT
OUT
OUT
SINK
SINK
SINK
SINK
SOURCE
SINK
SOURCE
SINK
SOURCE
SINK
SOURCE
CC
CC
IL
CC
CC
CC
IL
IH
A
, V
= +25 C
= 0.4, V
= 0 V, V
= +5 V, +3 V
= 5 V
= +3 V, +5 V
= +3 V, +5 V
= 1 mA
= 250 A, V
= 100 mA
= 1.6 mA
= 10 A, V
= 400 A, V
= 1.6 mA, 3 V < V
= 1.6 mA,
= 1.6 mA
= 1.6 mA
CC
100 mA
= 1 A, V
= 1 A, V
= 1 A, V
= 800 A
BATT
= 5 V
CC
OUT
1
IH
> V
BATT
= +2.8 V, T
, (V
= 3.5 V, V
A
CC
OUT
OUT
CC
CC
= +25 C
BATT
CC
CC
CC
CC
CC
CC
= 2.8 V
= 5 V, T
= 5 V, T
, V
= 1 V
OSC
= 2.4 V Sink Current
) T
< V
= 2 V, V
= 5 V
= 5 V
= 5 V
+ 0.2 V
CC
CC
A
= 47 pF
BATT
CC
= 5 V, T
= +25 C
= 0 V, Source Current
CC
A
= T
A
A
< 5.5 V
= 5 V
= +25 C
= +25 C
– 0.2 V
BATT
MIN
A
to T
= 0 V
= +25 C
MAX
REV. 0