AMS285-2.5/AMS385-2.5
TYPICAL APPLICATIONS (Continued)
0°C - 100°C Thermometer
0°C - 100°C Thermometer
1k
150
M
M
0-100µA
0-50µA
R1
8k
R1
4k
IOUT
IOUT
R2
1k
R2
1k
V+
3V
V+
3V
R
R
LM334
V-
LM334
V-
AMS385-2.5
AMS385-2.5
R3
100
R3
50
R4
R4
220
100
Calibration
Calibration
1. Short AMS385-2.5, adjust R3 for IOUT = temp at 1µA/°K
2. Remove short, adjust R2 for correct reading in °C
1. Short AMS385-2.5, adjust R3 for IOUT = temp at 1.8µA/°K
2. Remove short, adjust R2 for correct reading in °F
Micropower* 5V Regulator
Micropower* 10V Reference
IQ
IQ
VIN
≥
5.2V
VIN = 15V
V+
47k
R
500k
2
LM334
2N2905
7
+
-
V-
2.2k
6
LM4250C
10V
3
+
-
8
7
3
VO = 5V
IL 100mA
6
4
1.5M
LM4250C
150pF
≤
22M
2
1N457
1N457
8
4
100k
100k
150pF
+
4.7µF
TANTALUM
500k
AMS385-2.5
10M
2k
AMS385-2.5
*IQ ≅ 20µA standby current
*IQ ≅ 40µA
Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723
AMS [ Advanced Monolithic Systems Ltd ]
