ADM8691ARN Analog Devices Inc, ADM8691ARN Datasheet - Page 4
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ADM8691ARN
Manufacturer Part Number
ADM8691ARN
Description
IMPROVED ADM691 I.C.
Manufacturer
Analog Devices Inc
Type
Battery Backup Circuitr
Datasheet
1.ADM8695ARWZ.pdf
(20 pages)
Specifications of ADM8691ARN
Rohs Compliant
NO
Rohs Status
RoHS non-compliant
Number Of Voltages Monitored
1
Output
Push-Pull, Push-Pull
Reset
Active High/Active Low
Reset Timeout
35 ms Minimum
Voltage - Threshold
4.65V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ADM8691ARNZ
Manufacturer:
ADI/亚德诺
Quantity:
20 000
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