AMS385-1.2 ADMOS [Advanced Monolithic Systems], AMS385-1.2 Datasheet - Page 4

• Manufacturer Part Number: AMS385-1.2
• Description: MICROPOWER VOLTAGE REFERENCE DIODE
• Manufacturer: ADMOS [Advanced Monolithic Systems]

TYPICAL APPLICATIONS
Calibration
1. Short AMS385-1.2, adjust R3 for I
1 A/ K
2. Remove short, adjust R2 for correct reading in C
Calibration
1. Adjust R1 so that V1 = temp at 1mV/ K.
2. Adjust V2 to 273.2mV.
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone [phone] Fax [phone]
† I
† I
0-100 A
1.5V†
I
Q
Q
Q
I
OUT
at 1.6V
at 1.3V 500 A
for 1.3V to 1.6V battery voltage = 50 A to 150 A
LM334
M
V
V
0 C - 100 C Thermometer
+
-
LM334
2.4mA
R
V
V
1.2k
R1
1k
+
-
R
R1
4k
R2
1k
R3
100
R4
220
Centigrade Thermometer
2.3k
V1
150
AMS385-1.2
OUTPUT
1mV/° C
V2
OUT
= temp at
27k
1.5V
(1.3-1.6V)†
(Continued)
90k
AMS385-1.2
25k
2.2k
* 2N3638 or 2N2907 select for inverse H
† Select for operation at 1.3V
‡ I
Q
LM334
M
600 A to 900 A
Lower Power Thermometer
AMS385-1.2
*
8k TO
12k†
AMS285-1.2/AMS385-1.2
FE
AMS385-1.2
1.3 TO
1.6V‡
5
Micropower* 10V Reference
1M
*I
Calibration
1. Short AMS385-1.2, adjust R3 for I
1.8 A/ K
2. Remove short, adjust R2 for correct reading in F
Q
2
3
0-50 A
+
-
20 A standby current
LM4250C
I
OUT
4
LM334
M
7
V
V
0 C - 100 C Thermometer
+
-
8
22M
I
Q
6
R
V
IN
150pF
= 15V
R1
2k
R2
1k
R3
50
R4
100
3.5M
500k
150
AMS385-1.2
10V
OUT
= temp at
1.3-1.6V