CDB5467U Cirrus Logic Inc, CDB5467U Datasheet - Page 30
![BOARD EVAL FOR CS5467 ADC](/photos/9/8/90840/cdb5467u_sml.jpg)
CDB5467U
Manufacturer Part Number
CDB5467U
Description
BOARD EVAL FOR CS5467 ADC
Manufacturer
Cirrus Logic Inc
Type
A/Dr
Specifications of CDB5467U
Main Purpose
Power Management, Energy/Power Meter
Embedded
Yes, MCU, 8-Bit
Utilized Ic / Part
CS5467
Primary Attributes
Watt-Hour Meter
Secondary Attributes
Graphical User Interface, SPI™ & USB Interfaces
Product
Data Conversion Development Tools
Maximum Clock Frequency
4 MHz
Interface Type
USB
Supply Voltage (max)
5 V
Supply Voltage (min)
3.3 V
For Use With/related Products
CS5467
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
Other names
598-1555
CDB-5467U
CDB-5467U
8.2.2 Instantaneous Current (I1, I2), Voltage (V1, V2), and Power (P1, P2)
8.2.3 Active Power (P1
8.2.4 RMS Current (I1
8.2.5 Instantaneous Quadrature Power (Q1, Q2)
8.2.6 Reactive Power (Q1
30
MSB
MSB
MSB
MSB
MSB
-(2
-(2
-(2
-(2
2
-1
taneous power, P1 ( P2 ). These are two's complement values in the range of -1.0 ≤ value < 1.0, with the binary
point to the right of the MSB.
0
0
0
0
I1 ( I2 ) and V1 ( V2 ) contain instantaneous current and voltage, respectively, which are multiplied to yield instan-
)
)
)
)
Address: 1 ( I1 ), 2 ( V1 ), 3 ( P2 ), 7 ( I2 ), 8 ( V2 ), 9 ( P2 )
Address: 4 ( P1
Instantaneous power is averaged over each low-rate interval ( N samples) to compute active power, P1
( P2
right of the MSB.
Address: 5 ( I1
I1
lated each low-rate interval. These are unsigned values in the range of 0 ≤ value < 1.0, with the binary point
to the left of the MSB.
Address: 14 ( Q1 ), 17 ( Q2 )
Instantaneous quadrature power, Q1 ( Q2 ), the product of voltage1 (voltage2) shifted 90 degrees and current1
(current2). These are two's complement values in the range of -1.0 ≤ value < 1.0, with the binary point to the
right of the MSB.
Address: 13 ( Q1
Reactive power Q1
values in the range of -1.0 ≤ value < 1.0, with the binary point to the right of the MSB.
RMS
2
2
2
2
2
AVG
-1
-1
-2
-1
-1
( I2
). These are two's complement values in the range of -1.0 ≤ value < 1.0, with the binary point to the
RMS
2
2
2
2
2
-2
-2
-3
-2
-2
) and V1
RMS
AVG
AVG
2
2
2
2
2
), 6 ( V1
-3
-3
-4
-3
-3
RMS
AVG
), 10 ( P2
AVG
), 16 ( Q2
RMS
Avg
, I2
( Q2
, P2
2
2
2
2
2
-4
-4
RMS
-5
-4
-4
( V2
, Q2
RMS
AVG
AVG
AVG
AVG
), 11 ( I2
RMS
) is Q1 ( Q2 ) averaged over every N samples. These are two's complement
AVG
2
2
2
2
2
) and Voltage (V1
)
-5
-5
-6
-5
-5
)
)
) contain the root mean square (RMS) values of I1 ( I2 ) and V1 ( V2 ), calcu-
)
RMS
2
2
2
2
2
-6
-6
-7
-6
-6
), 12 ( V2
2
2
2
2
2
-7
-7
-8
-7
-7
RMS
RMS
.....
.....
.....
.....
.....
)
, V2
2
2
2
2
2
-17
-17
RMS
-18
-17
-17
)
2
2
2
2
2
-18
-18
-19
-18
-18
2
2
2
2
2
-19
-19
-20
-19
-19
2
2
2
2
2
-20
-20
-21
-20
-20
2
2
2
2
2
-21
-21
-22
-21
-21
CS5467
2
2
2
2
2
-22
-22
-23
-22
-22
DS714F1
LSB
LSB
LSB
LSB
LSB
2
2
AVG
2
2
2
-23
-23
-24
-23
-23