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参数资料
| 型号： | ADM8697ARWZ |
| 厂商： | Analog Devices Inc |
| 文件页数： | 2/13页 |
| 文件大小： | 0K |
| 描述： | IC SUPERVSR MPU ADJ/RESET 16SOIC |
| 标准包装： | 47 |
| 类型： | 备用电池电路 |
| 监视电压数目： | 1 |
| 输出： | 推挽式，推挽式 |
| 复位： | 高有效/低有效 |
| 复位超时： | 最小为 35 ms |
| 电压 - 阀值： | 1.3V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC W |
| 包装： | 管件 |
ADM8696/ADM8697–SPECIFICATIONS (V unless otherwise noted.) Range, V
CC = Full Operating
BATT
= +2.8 V, T A = T MIN to T MAX
P arameter
V CC Operating Voltage Range
V BATT Operating Voltage Range
Min
3.0
2.0
Typ
Max
5.5
V CC – 0 3
Units
V
V
Test Conditions/Comments
BATTERY BACKUP SWITCHING (ADM8696)
V OUT Output Voltage
V OUT in Battery Backup Mode
Supply Current (Excludes I OUT )
Supply Current in Battery Backup Mode
V CC – 0.005 V CC – 0.0025
V CC – 0.2 V CC – 0.125
V BATT – 0.005 V BATT – 0.002
115 200
0.4 1
V
V
V
μ A
μ A
I OUT = 1 mA
I OUT ≤ 100 mA
I OUT = 250 μ A, V CC < V BATT – 0.2 V
I OUT = 100 mA
V CC = 0 V, V BATT = 2.8 V
Battery Standby Current
(+ = Discharge, – = Charge)
Battery Switchover Threshold
V CC – V BATT
Battery Switchover Hysteresis
BATT ON Output Voltage
–0.1
70
50
20
+0.02
0.3
μ A
mV
mV
mV
V
5.5 V > V CC > V BATT + 0.2 V
Power-Up
Power-Down
I SINK = 3.2 mA
BATT ON Output Short Circuit Current
0.5
30
2.5
25
mA
μ A
BATT ON = V OUT = 2.4 V Sink Current
BATT ON = V OUT , V CC = 0 V, Source Current
RESET AND WATCHDOG TIMER
Low Line Threshold (LL IN )
1.25
1.3
1.35
V
Reset Timeout Delay
Watchdog Timeout Period, Internal Oscillator
Watchdog Timeout Period, External Clock
Minimum WDI Input Pulse Width
35
1.0
70
4032
960
50
50
1.6
100
4063
1011
70
2.25
140
4097
1025
ms
s
ms
Cycles
Cycles
ns
OSC SEL = HIGH
Long Period
Short Period
Long Period
Short Period
V IL = 0.8, V IH = 3.75 V, V CC = 5 V
100
ns
V IL = 0.8, V IH = 3.5 V, V CC = 5 V
RESET Output Voltage @ V CC = +1 V
RESET, RESET Output Voltage
3.5
100
4
0.1
0.1
2.7
20
0.4
0.4
ns
mV
V
V
V
V
V IL = 0.8, V IH = 2.6 V, V CC = 3 V
I SINK = 10 μ A, V CC = 1 V
I SINK = 400 μ A, V CC = 2 V, V BATT = 0 V
I SINK = 3.2 mA, 3 V < V CC < 5.5 V
I SOURCE = 1 μ A, V CC = 5 V
I SOURCE = 1 μ A, V CC = 3 V
LOW LINE , WDO Output Voltage
Output Short Circuit Source Current
3.5
1
2.7
10
0.4
25
V
V
V
μ A
I SINK = 3.2 mA,
I SOURCE = 1 μ A, V CC = 5 V
I SOURCE = 1 μ A, V CC = 3 V
V CC = 5 V
WDI Input Threshold 1
Logic Low
0.8
V
Logic High
3.5
V
V CC = 5 V
WDI Input Current
–10
1.2
1
–1
10
V
μ A
μ A
V CC = 3 V
WD1 = V OUT , (V CC )
WD1 = 0 V
POWER FAIL DETECTOR
PFI Input Threshold
PFI–LL IN Threshold Difference
PFI Input Current
LL IN Input Current
1.2
–50
–25
–50
1.3
± 15
± 0.01
± 0.01
1.4
+50
+25
+50
V
mV
nA
nA
PFO Output Voltage
PFO Short Circuit Source Current
3.5
1
2.7
10
0.4
25
V
V
V
μ A
I SINK = 3.2 mA
I SOURCE = 1 μ A
I SOURCE = 1 μ A, V CC = 3 V
PFI = Low, PFO = 0 V
CHIP ENABLE GATING (ADM8697)
CE IN Threshold
CE IN Pull-Up Current
3.0
1.2
3
0.8
V
V
V
μ A
V IL
V IH
V CC = 3 V
CE OUT Output Voltage
CE Propagation Delay
OSCILLATOR
OSC IN Input Current
OSC SEL Input Pull-Up Current
OSC IN Frequency Range
OSC IN Frequency with Ext. Capacitor
V CC – 0.5
0
2
4
± 2
5
4
0.4
7
500
V
V
ns
ns
μ A
μ A
kHz
kHz
I SINK = 3.2 mA
I SOURCE = 800 μ A
V CC = 5.0 V
V CC = 3.0 V
OSC SEL = 0 V
OSC SEL = 0 V, C OSC = 47 pF
WDI is a three-level input internally biased to 38% of V CC and has an input impedance of approximately 5 M ? .
NOTE
1
Specifications subject to change without notice.
–2 –
REV. A
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