Texas Instruments TVP5147M1PFP manual AFE Coarse Gain for CH 1 Register

Models: TVP5147M1PFP

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2.11.40 AFE Coarse Gain for CH 1 Register

Functional Description

2.11.40 AFE Coarse Gain for CH 1 Register

Subaddress

 

46h

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Default

 

20h

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

6

 

 

5

4

3

2

 

1

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CGAIN 1 [3:0]

 

 

 

Reserved

 

CGAIN 1 [3:0]: Coarse_Gain = 0.5 + (CGAIN 1)/10, where 0 CGAIN 1 15

This register works only in manual gain control mode. When AGC is active, writing to any value is ignored.

1111 = 2

1110 = 1.9

1101 = 1.8

1100 = 1.7

1011 = 1.6

1010 = 1.5

1001 = 1.4

1000 = 1.3

0111 = 1.2

0110 = 1.1

0101 = 1

0100 = 0.9

0011 = 0.8

0010 = 0.7 (default)

0001 = 0.6

0000 = 0.5

2.11.41 AFE Coarse Gain for CH 2 Register

Subaddress

 

47h

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Default

 

20h

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7

 

6

 

 

5

4

3

2

 

1

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CGAIN 2 [3:0]

 

 

 

Reserved

 

CGAIN 2 [3:0]: Coarse_Gain = 0.5 + (CGAIN 2)/10, where 0 CGAIN 2 15

This register works only in manual gain control mode. When AGC is active, writing to any value is ignored.

1111 = 2

1110 = 1.9

1101 = 1.8

1100 = 1.7

1011 = 1.6

1010 = 1.5

1001 = 1.4

1000 = 1.3

0111 = 1.2

0110 = 1.1

0101 = 1

0100 = 0.9

0011 = 0.8

0010 = 0.7 (default)

0001 = 0.6

0000 = 0.5

50

TVP5147M1PFP

SLES140A—March 2007

Page 58
Image 58
Texas Instruments TVP5147M1PFP manual AFE Coarse Gain for CH 1 Register, AFE Coarse Gain for CH 2 Register