Vicom Systems FC-FC3 Manual de usuario descargar pdf (Pagina 12)

CONFIDENTIAL [AK8999A/AW/AD]

MS1600-E-00 2014/05

- 12 -

Level Diagram

VDD: 5V

G=10

G2(D2S) G3

G=1.8

S/H & SCF & Level Shift

G=2

LVS=0.02*VDD - 0.98*VDD

Buffer &

SMF

G=1.111

0.5*VDD

VP-VN=80mV

+/-400mV 1200mV

2160mV

1200mV

0.93*VDD

4320mV

1) Level Shift : 0.02*VDD, Pressure : Positive

4800mV

2160mV

Level

Shift

0.5*VDD

VP-VN=80mV

0.98*VDD

2) Level Shift : 0.98*VDD, Pressure : Negative

+/-400mV 1200mV 2160mV1200mV 2160mV

Level

Shift

4320mV

4800mV

0.5VDD

600mV

3) Level Shift : 0.5*VDD, Pressure : Positive & Negative

2400mV

+/-200mV 600mV 1080mV 1080mV

LPF

G=1

VOUT

G=1.5

ING1=5 - 70

2160mV

ING2=1.5, 3.0

VP-VN=40mV

0.02*VDD

0.068*VDD

ING3=1.8, 3.0

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 67 68

Pressure Sensor Control IC 1
3. Table of Contents 3
Adjustment Characterist 4
Block Diagram and Functi 7
Pin Configurations 10
Level Diagram 12
Description 14
[Serial I/F timing (Write)] 15
[Serial I/F timing (Read) ] 15
Unadjusted 17
Operation Sequence 24
Adjustment Sequence 26
CONFIDENTIAL [AK8999A/AW/AD] 27
MS1600-E-00 2014/05 27
Functional Description 29
Adjustments 33
VDD pin voltage 36
Sample timing 36
VO&VOUT pin voltage 36
Freq.(Hz) 37
Threshold EEPROM 38
：EPT2[3:0] 38
：EPT1[3:0] 38
0.222%FS 39
0.080%FS 39
Detection threshold 40
Fine Adjustment 42
[Register Write Mode2] 45
OSC Adjustment set 45
5) Register Map 46
5.1) EEPROM Map 46
Magnification 49
(ppm/C) 54
User-writable data 63
Recommended Ex 66
Circuits 66
[Detail A] 67

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Vicom Systems FC-FC3 Manual de usuario Pagina 12

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