AK8999A Datasheet, PDF (58/68 Pages) Asahi Kasei Microsystems – Pressure Sensor Control IC

CONFIDENTIAL
[AK8999A/AW/AD]
i) Input gain adjustment (EEPROM name: ING)
This EEPROM is used for setting the total gain.
The input gain is adjusted according to the full-scale voltage of the pressure sensor.
Address : 0C hex D[4:0] = EIG[4:0]
EIG[3:0]
Dec Hex
Bin
G1 Gain
(times)
00
11
22
33
44
55
66
77
88
99
10 A
11 B
12 C
13 D
14 E
15 F
0000
0001
0010
0011
0100
0101
0110
0111
1000
1001
1010
1011
1100
1101
1110
1111
70.0
60.0
50.0
40.0
35.0
30.0
25.0
20.0
15.0
12.0
10.0
7.0
5.0
Setup
prohibited
G1*G2 Gain (times)
EIG[4]=0 EIG[4]=1
G2: 3x
G2: 1.5x
210.0
105.0
180.0
90.0
150.0
75.0
120.0
60.0
105.0
52.5
90.0
45.0
75.0
37.5
60.0
30.0
45.0
22.5
36.0
18.0
30.0
15.0
21.0
10.5
15.0
7.5
Setup
prohibited
Setup
prohibited
Description
Default
MS1600-E-00
- 58 -
2014/05