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ADM809 数据表(PDF) 4 Page - Analog Devices

部件名 ADM809
功能描述  Microprocessor Supervisory Circuit in 3-Pin SOT-23
PDF  6 Pages
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制造商  AD [Analog Devices]
网页  http://www.analog.com
标志 AD - Analog Devices

ADM809 数据表(HTML) 4 Page - Analog Devices

  ADM809 Datasheet HTML 1Page - Analog Devices ADM809 Datasheet HTML 2Page - Analog Devices ADM809 Datasheet HTML 3Page - Analog Devices ADM809 Datasheet HTML 4Page - Analog Devices ADM809 Datasheet HTML 5Page - Analog Devices ADM809 Datasheet HTML 6Page - Analog Devices  
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ADM809/ADM810
–4–
REV. 0
TEMPERATURE – C
30
0
–40
–20
020
40
60
80
25
20
15
10
5
85
VCC = 5V
VCC = 3V
VCC = 1V
Figure 3. Supply Current vs. Tem-
perature (ADM8_L/M/R/S/T) (No Load)
TEMPERATURE – C
235
–40
–20
020
40
60
80
235.5
236
236.5
237
237.5
238
238.5
239
239.5
240
85
Figure 6. Power-Down RESET Delay
vs. Temperature ADM8_R
—Typical Performance Characteristics
TEMPERATURE – C
0
–40
–20
020
40
60
80
20
40
60
80
100
120
140
160
180
200
85
VOD = VTH – VCC
VOD = 20mV
VOD = 100mV
VOD = 200mV
VOD = 10mV
Figure 4. Power-Down RESET Delay
vs. Temperature ADM8_L/M
TEMPERATURE – C
0.999
–40
–20
0
204060
80
1.002
1.0015
1.001
1.0005
1.0
0.9995
85
Figure 7. Normalized RESET Voltage
Threshold vs. Temperature
ADM8_L/M
400
350
0
1
10
1000
100
300
250
50
200
150
100
ADM8_R/S/T
RESET COMPARATOR OVERDRIVE, VTH – VCC (mV)
Figure 9. Maximum Transient Dura-
tion Without Causing a RESET Pulse
vs. RESET Comparator Overdrive
TEMPERATURE – C
0
–40
–20
020
40
60
80
20
40
60
80
100
120
140
160
180
85
VOD = VTH – VCC
VOD = 20mV
VOD = 100mV
VOD = 200mV
VOD = 10mV
Figure 5. Power-Down RESET Delay
vs. Temperature ADM8_T/S/R
2
1
1
RESET OUTPUT
VOLTAGE
ADM809R
ADM809T
CH1
2.00V
2.00V M 200ms CH1
2.00V
T
T
CH2
SUPPLY VOLTAGE
5VPK TO PK
Figure 8. RESET Output Voltage vs.
Supply Voltage



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