FS9922-DMM4-DS-11 데이터 시트보기 (PDF) - Unspecified

부품명

상세내역

제조사

FS9922-DMM4-DS-11

Integrated Circuits of 6,000 Counts Auto-ranging Digital Multimeter with Bar Graph

Unspecified 

FS9922-DMM4

Contents

1. GENERAL DESCRIPTION................................................................................................................... 5

2. FEATURES.......................................................................................................................................... 5

3. MEASURING MODE............................................................................................................................ 6

4. APPLICATIONS FIELD........................................................................................................................ 6

5. BLOCK DIAGRAM .............................................................................................................................. 6

6. PIN ASSIGNMENT............................................................................................................................... 7

7. PIN DESCRIPTION.............................................................................................................................. 7

8. TECHNICAL SPECIFICATION ............................................................................................................. 9

8.1 Max. Rated Value..................................................................................................................... 9

8.2 Electrical Parameters.............................................................................................................10

9. MEASURING MODES SELECT ..........................................................................................................11

9.1 Coding Table ..........................................................................................................................11

9.2 ADP Input/User-Defined Symbols and Confirmation of Decimal Locations .........................12

10. KEYS DEFINITION .............................................................................................................................13

10.1 RANGE Key............................................................................................................................13

10.2 REL∆/RS232 Key....................................................................................................................13

10.3 HOLD/LIGHT Key ...................................................................................................................13

10.4 SELECT Key...........................................................................................................................14

10.5 HZ/DUTY Key..........................................................................................................................14

10.6 MAX/MIN DATA HOLD Key .....................................................................................................14

11. OTHER FUNCTIONS ..........................................................................................................................14

12. APPLICATION....................................................................................................................................15

12.1 FS9922_DMM4 Circuitry.........................................................................................................15

12.2 FS9922-DMM4 Circuitry Components List.............................................................................16

12.3 Power Supply System............................................................................................................16

12.4 Power Supply Circuit .............................................................................................................17

12.5 Base Power Source................................................................................................................18

12.6 Trigger Reset Circuit..............................................................................................................19

12.7 Oscillation Circuit ..................................................................................................................19

12.8 Buzzer Driver Circuit..............................................................................................................20

12.9 Mode Switch and Function Control Circuit ...........................................................................20

12.10 AC Rectification Circuit .........................................................................................................21

12.11 Voltage Measurement.............................................................................................................23

Rev. 1.1

3/39

Share Link: