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參數資料
| 型號： | ADM1020AR-REEL7 |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 模擬信號調理 |
| 英文描述： | 8-Lead, Low-Cost, System Temperature Monitor |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數： | 4/12頁 |
| 文件大小： | 132K |
| 代理商： | ADM1020AR-REEL7 |
REV. 0
ADM1020
–4–
LEAKAGE RESISTANCE – M
V
30
20
–601.0
100
3.3
T
8
C
10
30
–10
–30
–40
–50
10
0
–20
D+ TO GND
D+ TO V
CC
(5V)
Figure 1. Temperature Error vs. PC Board Track Resistance
FREQUENCY – Hz
6
–150
50M
500
T
8
C
5k
50k
500k
5M
5
4
3
1
0
2
250mV p-p REMOTE
100mV p-p REMOTE
Figure 2. Temperature Error vs. Power Supply Noise
Frequency
FREQUENCY – Hz
–5
50
50M
500
T
8
C
5k
50k
500k
5M
25
20
15
5
0
10
25mV p-p
50mV p-p
100mV p-p
Figure 3. Temperature Error vs. Common-Mode Noise
Frequency
MEASURED TEMPERATURE
0
110
10
R
20
30
40
50
120
20
30
0
10
40
50
60
70
80
90
100
60
70
80
90
100
Figure 4. Pentium II Temperature Measurement vs.
ADM1020 Reading
D+ AND D– CAPACITANCE – nF
25
20
–5
1.0
10
2.2
T
8
C
3.2
4.7
7
15
10
5
0
Figure 5. Temperature Error vs. Capacitance Between
D+ and D–
SCLK FREQUENCY – Hz
80
30
0
0
1M
1k
S
m
A
5k
10k
25k
50k
75k 100k 250k 500k 750k
70
40
20
10
60
50
V
CC
= +5V
V
CC
= +3V
Figure 6. Standby Supply Current vs. Clock Frequency
–Typical Performance Characteristics
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