NJU9214 データシートの表示（PDF） - Japan Radio Corporation

部品番号

コンポーネント説明

メーカー

NJU9214

4•3/4 DIGIT SINGLE CHIP DIGITAL MULTIMETER LSI

Japan Radio Corporation  

s PIN CONFIGURATION

NJU9214

BUF

75

CL2

CH2

VREF3

VREF2

80

VREF1

CH1

CL1

INT1

INT2

85

SGND2

SGND1

AGND

IVSH

IVSL

90

ADP

OVX

OVH

VR7

VR6

95

VR5

VR4

VR3

VR2

V1

100

1

70

65

60

55

50

45

40

NJU9214FG1

35

30

5

10

15

20

25

SEG16

SEG15

SEG14

SEG13

SEG12

SEG11

SEG10

SEG9

SEG8

SEG7

SEG6

SEG5

SEG4

SEG3

SEG2

SEG1

COM4

COM3

CMO2

COM1

T3

T2

T1

RST

PON

s TERMINAL DESCRIPTION

No.

1

2

3

4

5 to 8

9

10

11

12

13 to 16

17 to 20

21 to 25

SYMBOL

ACOUT

VDDA

RMSIN

VDDD

RD1 to RD4

TXS

TRX

KMS

RMS

RC0 to RC3

FC1 to FC4

KI1 to KI5

I/O

FUNCTION

Out Attenuator output terminal ( used at ACA, ACmA, FRQ, rpm )

– Analog VDD ( VDDA = 5.0 ± 0.25V )

In RMS-Voltage Input Terminal

–

Digital VDD ( VDDD = 5.0 ± 0.25V )

Out Relay Driving Terminal

In RS232C Output-Rate Select Terminal L ; 9600bps H ; 2400bps

In RS232C Function Select Terminal

In Key Mode Select Terminal

In Range Control Mode Select Terminal

In Range Select Terminal with Input Pull-up Resistance ( 300kΩ )

I/O Function Select Terminal with Input Pull-up Resistance ( 300kΩ )

In

Optional Function Control Terminal with Input Pull-up Resistance

( 300kΩ )

Share Link: