P20/29

Rev. M, May 2010

ML5012

Setting of PGA input channel A and B

Case 1 : Differential Analog Input

CHAB_SEL[2:0]

CHB_SEL[2:0]

Bit 2

Bit 1

Bit 0

Channel AB

Bit 2

Bit 1

Bit 0

Channel B

0

0

0

CHA1

0

0

0

CHB1

0

0

1

CHA2

0

0

1

CHB2

0

1

0

CHA3

0

1

0

CHB3

0

1

1

CHA4

0

1

1

CHB4

Case 2 : Single End Analog Input

CHAB_SEL[2:0]

CHB_SEL[2:0]

Bit 2

Bit 1

Bit 0

Channel AB

Bit 2

Bit 1

Bit 0

Channel B

0

0

0

CHA1

0

0

1

CHA2

0

1

0

CHA3

0

1

1

CHA4

1

0

0

CHB1

1

0

1

CHB2

1

1

0

CHB3

1

1

1

CHB4

1

0

0

AGND

Setting of PGA Gain

Executing PGA_AC command to set PGA Gain from 0dB to 40.25dB. Please refer to section 1-2 for

more details.