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參數(shù)資料
| 型號： | AMS385-1.2CS |
| 廠商： | Advanced Monolithic Systems, Inc. |
| 英文描述： | MICROPOWER VOLTAGE REFERENCE DIODE |
| 中文描述： | 微功耗電壓基準二極管 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 102K |
| 代理商： | AMS385-1.2CS |
Advanced Monolithic Systems, Inc.
6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
AMS285-1.2/AMS385-1.2
TYPICAL APPLICATIONS
(Continued)
0
°
C - 100
°
C Thermometer
Lower Power Thermometer
0
°
C - 100
°
C Thermometer
AMS385-1.2
150
R1
4k
R2
1k
R3
100
R4
220
1.5V
(1.3-1.6V)
R
V
-
V
+
LM334
M
0-100
μ
A
I
OUT
Calibration
1. Short AMS385-1.2, adjust R3 for I
OUT
= temp at
1
μ
A/
°
K
2. Remove short, adjust R2 for correct reading in
°
C
I
Q
at 1.3V
500
μ
A
I
Q
at 1.6V
2.4mA
LM334
M
AMS385-1.2
1.3 TO
1.6V
*
8k TO
12k
* 2N3638 or 2N2907 select for inverse H
FE
5
Select for operation at 1.3V
I
Q
600
μ
A to 900
μ
A
AMS385-1.2
150
R1
2k
R2
1k
R3
50
R4
100
1.3-1.6V
R
V
-
V
+
LM334
M
0-50
μ
A
I
OUT
Calibration
1. Short AMS385-1.2, adjust R3 for I
OUT
= temp at
1.8
μ
A/
°
K
2. Remove short, adjust R2 for correct reading in
°
F
Centigrade Thermometer
Micropower* 10V Reference
AMS385-1.2
V
+
V
-
R
R1
1k
V1
V2
LM334
90k
25k
27k
1.2k
2.3k
OUTPUT
1mV/° C
2.2k
1.5V
Calibration
1. Adjust R1 so that V1 = temp at 1mV/
°
K.
2. Adjust V2 to 273.2mV.
I
Q
for 1.3V to 1.6V battery voltage = 50
μ
A to 150
μ
A
150pF
AMS385-1.2
3.5M
500k
22M
1M
7
4
6
3
2
-
+
V
IN
= 15V
I
Q
10V
LM4250C
8
*I
Q
20
μ
A standby current
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