AMS3100-1.2BM データシートの表示（PDF） - Advanced Monolithic Systems Inc

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AMS3100-1.2BM

MICROPOWER VOLTAGE REFERENCE

Advanced Monolithic Systems Inc 

TYPICAL APPLICATIONS (Continued)

0°C - 100°C Thermometer

Lower Power Thermometer

AMS3100-1.2

0°C - 100°C Thermometer

150

0-100µA M

IOUT

V+

LM334

R

V-

R1

4k

R2

1k

1.5V

(1.3-1.6V)†

AMS3100-1.2

R3

100

M

LM334

*

8k TO

12k†

1.3 TO

1.6V‡

AMS3100-1.2

R4

220

* 2N3638 or 2N2907 select for inverse HFE ≅ 5

† Select for operation at 1.3V

‡ IQ ≅ 600µA to 900 µA

Calibration

1. Short AMS3100-1.2, adjust R3 for IOUT = temp at

1µA/°K

2. Remove short, adjust R2 for correct reading in °C

† IQ at 1.3V ≅ 500 µA

IQ at 1.6V ≅ 2.4mA

150

0-50µA M

IOUT

V+

LM334

R

V-

R1

2k

R2

1k

1.3-1.6V

AMS3100-1.2

R3

50

R4

100

Calibration

1. Short AMS3100-1.2, adjust R3 for IOUT = temp at

1.8µA/°K

2. Remove short, adjust R2 for correct reading in °F

Centigrade Thermometer

1.5V†

V+

R

LM334

V-

V1 V2

OUTPUT

1mV/° C

2.3k

2.2k

90k 25k

1.2k

27k AMS3100-1.2

R1

1k

Calibration

1. Adjust R1 so that V1 = temp at 1mV/°K.

2. Adjust V2 to 273.2mV.

† IQ for 1.3V to 1.6V battery voltage = 50µA to 150µA

Micropower* 10V Reference

IQ

VIN = 15V

1M

2+

7

LM4250C 6

3-

4

8

22M

10V

150pF 3.5M

AMS3100-1.2

500k

*IQ ≅ 20µA standby current

Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723

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