CS5490 datasheet(46/56 Pages) APEX

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CS5490

DS982F2

6.6.37 Instantaneous Quadrature Power (Q) – Page 16, Address 15

Default = 0x00 0000

Instantaneous quadrature power, Q, the product of V shifted 90° and I.

This is a two's complement value in the range of -1.0

 value  1.0, with the binary point to the right of the

MSB.

6.6.38 Peak Current (IPEAK) – Page 0, Address 37

Default = 0x00 0000

Peak current (IPEAK) contains the value of the instantaneous current 1 sample with the greatest magnitude

detected during the last low-rate interval.

This is a two's complement value in the range of -1.0

 value  1.0, with the binary point to the right of the

MSB.

6.6.39 Peak Voltage (VPEAK) – Page 0, Address 36

Default = 0x00 0000

Peak voltage (VPEAK) contains the value of the instantaneous voltage sample with the greatest magnitude

detected during the last low-rate interval.

This is a two's complement value in the range of -1.0

 value  1.0, with the binary point to the right of the

MSB.

6.6.40 Apparent Power (S) – Page 16, Address 20

Default = 0x00 0000

Apparent power 1 (S) is the product of VRMS and IRMS or SQRT(PAVG2 + QAVG2).

This is an unsigned value in the range of 0

 value  1.0, with the binary point to the right of the MSB.

MSB

LSB

-(20)2-1

2-2

2-3

2-4

2-5

2-6

2-7

.....

2-17

2-18

2-19

2-20

2-21

2-22

2-23

MSB

LSB

-(20)2-1

2-2

2-3

2-4

2-5

2-6

2-7

.....

2-17

2-18

2-19

2-20

2-21

2-22

2-23

MSB

LSB

-(20)2-1

2-2

2-3

2-4

2-5

2-6

2-7

.....

2-17

2-18

2-19

2-20

2-21

2-22

2-23

MSB

LSB

2-1

2-2

2-3

2-4

2-5

2-6

2-7

.....

2-17

2-18

2-19

2-20

2-21

2-22

2-23

CS5490 Datasheet(PDF) 46 Page - Cirrus Logic

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