参数资料
型号: ADM802MARNZ
厂商: Analog Devices Inc
文件页数: 2/8页
文件大小: 0K
描述: IC SUPERVISOR MPU 4.40V WD 8SOIC
标准包装: 98
类型: 备用电池电路
监视电压数目: 1
输出: 推挽式,图腾柱
复位: 低有效
复位超时: 最小为 140 ms
电压 - 阀值: 4.4V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
ADM690A/ADM692A/ADM802L/M/ADM805L/M–SPECIFICATIONS
(V CC = 4.75 V to 5.5 V (ADM690A/ADM802L/ADM805L), V CC = 4.5 V to 5.5 V, (ADM692A/ADM802M/ADM805M), V BATT = +2.8 V, T A = T MIN to T MAX
unless otherwise noted)
Parameter
Min
Typ
Max
Units
Test Conditions/Comments
V CC /V BATT OPERATION
1
V CC Operating Voltage Range 1.0
Supply Current (Excludes I OUT )
Supply Current in Battery Backup Mode
70
0.05
5.5
100
1.0
V
μ A
μ A
V CC = 0 V, V BATT = 2.8 V
Battery Standby Current
(+ = Discharge, – = Charge) –0.1
V OUT Output Voltage V CC – 0.02
V CC – 0.5
V CC – 0.01
V CC – 0.05
+0.02
μ A
V
V
5.5 V > V CC > V BATT + 0.2 V
I OUT = 5 mA
I OUT = 50 mA
V OUT in Battery Backup Mode
Battery Switchover Threshold
Battery Switchover Hysteresis
V BATT – 0.05
V CC – 0.02
V BATT – 0.002
20
–20
40
V
V
mV
mV
mV
I OUT = 250 mA
I OUT = 250 μ A, V CC < V BATT – 0.2 V
Power Up
Power Down
RESET THRESHOLD
Reset Voltage Threshold
ADM690A, ADM802L, ADM805L
4.5
4.65
4.75
V
ADM692A, ADM802M, ADM805M
ADM802L
ADM802M
4.25
4.55
4.30
4.4
4.5
4.7
4.45
V
V
V
T A = 25 ° C, V CC Falling
T A = 25 ° C, V CC Falling
Reset Threshold Hysteresis
40
mV
Reset Timeout Delay
RESET Output Voltage
RESET Output Voltage
140
V CC – 1.5
0.8
V CC – 1.5
200
280
0.4
0.3
ms
V
V
V
V
V
I SOURCE = 800 μ A
I SINK = 3.2 mA
I SINK = 100 μ A, V CC = 1 V
I SOURCE = 4 μ A, V CC = 1.1 V
ADM805L/M, I SOURCE = 800 μ A
WATCHDOG TIMER
0.4
V
ADM805L/M, I SINK = 3.2 mA
Watchdog Timeout Period
WDI Input Pulse Width
1.0
50
1.6
2.25
s
ns
V IL = 0.4, V IH = 0.8 (V CC )
WDI Input Threshold
Logic Low
0.8
V
Logic High
WDI Input Current
3.5
–10
10
V
μ A
μ A
WDI = V CC
WDI = 0 V
POWER FAIL DETECTOR
PFI Input Threshold
PFI Input Current
PFO Output Voltage
1.20
1.225
–25
V CC – 1.5
1.25
1.25
0.01
1.30
1.275
+25
V
V
nA
V
ADM690A, ADM692A, ADM805L/M
ADM802L/M
I SOURCE = 800 μ A
NOTES
1
Either V CC or V BATT can be 0 V if the other > +2.0 V.
Specifications subject to change without notice.
–2 –
0.4
V
I SINK = 3.2 mA
REV. 0
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