ADM8690ARN Analog Devices Inc, ADM8690ARN Datasheet - Page 4

• Manufacturer Part Number: ADM8690ARN
• Description: IMPROVED ADM690
• Manufacturer: Analog Devices Inc
• Type: Battery Backup Circuitr

Specifications of ADM8690ARN

• Rohs Compliant: NO
• Rohs Status: RoHS non-compliant
• Number Of Voltages Monitored: 1
• Output: Push-Pull, Totem Pole
• Reset: Active Low
• Reset Timeout: 35 ms Minimum
• Voltage - Threshold: 4.65V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)

ADM8690/ADM8691/ADM8692/ADM8693/ADM8694/ADM8695
SPECIFICATIONS
V
Table 2.
Parameter
BATTERY BACKUP SWITCHING
RESET AND WATCHDOG TIMER
CC
V
V
V
V
Supply Current (Excludes I
Supply Current in Battery Backup Mode
Battery Standby Current
Battery Switchover Threshold
V
Battery Switchover Hysteresis
BATT ON Output Voltage
BATT ON Output Short-Circuit Current
Reset Voltage Threshold
Reset Threshold Hysteresis
Reset Timeout Delay
Watchdog Timeout Period, Internal Oscillator
Watchdog Timeout Period, External Clock
Minimum WDI Input Pulse Width
RESET Output Voltage @ V
RESET, LOW LINE Output Voltage
RESET, WDO Output Voltage
Output Short-Circuit Source Current
Output Short-Circuit Sink Current
WDI Input Threshold
WDI Input Current
CC
BATT
OUT
OUT
CC
= full operating range, V
ADM8690, ADM8691, ADM8694, ADM8695
ADM8692, ADM8693
ADM8690, ADM8691, ADM8694, ADM8695
ADM8692, ADM8693
+ = Discharge, − = Charge
ADM8690, ADM8691, ADM8694, ADM8695
ADM8692, ADM8693
ADM8690, ADM8691, ADM8692, ADM8693
ADM8694, ADM8695
Logic Low
Logic High
Operating Voltage Range
– V
Output Voltage
in Battery Backup Mode
Operating Voltage Range
BATT
1
CC
OUT
BATT
= 1 V
)
= 2.8 V, T
A
= T
MIN
to T
Min
4.75
4.5
2.0
2.0
V
V
V
0.5
4.5
4.25
35
140
70
768
50
3.5
3.5
1
3.5
−10
−0.1
1.0
3840
CC
CC
BATT
MAX
− 0.005
− 0.2
− 0.005
, unless otherwise noted.
Rev. A | Page 4 of 20
Typ
V
V
V
140
0.4
70
50
20
55
2.5
4.65
4.4
50
200
1.6
100
4064
1011
4
0.05
10
25
1
−1
40
CC
CC
BATT
− 0.0025
− 0.125
− 0.002
Max
5.5
5.5
4.25
4.0
200
1
+0.02
0.3
25
4.73
4.48
70
280
2.25
140
4097
1025
20
0.4
0.4
25
0.8
10
Unit
V
V
V
V
V
V
V
μA
μA
μA
mV
mV
mV
V
mA
μA
V
V
mV
ms
ms
s
ms
cycles
cycles
ns
mV
V
V
V
V
μA
mA
V
V
μA
μA
Test Conditions/Comments
I
I
I
I
V
5.5 V > V
T
Power-up
Power-down
I
BATT ON = V
BATT ON = 0 V source current
OSC SEL = high
OSC SEL = high
Long period
Short period
Long period
Short period
V
I
I
I
I
I
WDI = V
WDI = 0 V
OUT
OUT
OUT
OUT
SINK
SINK
SINK
SOURCE
SINK
SOURCE
A
CC
IL
= 25°C
= 0.4, V
= 0 V, V
= 1 mA
≤ 100 mA
= 250 μA, V
= 100 μA
= 3.2 mA
= 10 μA, V
= 1.6 mA, V
= 1.6 mA
= 1 μA
= 1 μA
OUT
CC
IH
BATT
> V
= 3.5 V
OUT
BATT
CC
= 2.8 V
CC
CC
= 4.5 V sink current
= 1 V
< V
= 4.25 V
+ 0.2 V
BATT
− 0.2 V