Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140

AMS285-2.5/AMS385-2.5

0

°°C - 100°°C Thermometer

0

°°C - 100°°C Thermometer

AMS385-2.5

1k

R1

8k

R2

1k

R3

100

R4

220

3V

R

LM334

M

0-100

µA

I

OUT

Calibration

µA/°K

2. Remove short, adjust R2 for correct reading in

°C

AMS385-2.5

150

R1

4k

R2

1k

R3

50

R4

100

3V

R

LM334

M

0-50

µA

I

OUT

Calibration

µA/°K

2. Remove short, adjust R2 for correct reading in

°F

Micropower* 5V Regulator

Micropower* 10V Reference

150pF

AMS385-2.5

100k

10M

2.2k

7

4

6

2

3

-

+

V

I

Q

V

I

LM4250C

8

R

LM334

2k

100k

47k

2N2905

1N457

1N457

+

4.7

µF

TANTALUM

≅ 40µA

150pF

AMS385-2.5

1.5M

500k

22M

500k

7

4

6

3

2

-

+

V

I

Q

10V

LM4250C

8

≅ 20µA standby current