参数资料
型号: CS5467-ISZR
厂商: Cirrus Logic Inc
文件页数: 30/46页
文件大小: 0K
描述: IC ENERGY METERING 1PHASE 28SSOP
标准包装: 1,000
输入阻抗: 30 千欧
测量误差: 0.1%
电压 - 高输入/输出: 0.8V
电压 - 低输入/输出: 0.2V
电流 - 电源: 3.5mA
电源电压: 4.75 V ~ 5.25 V
测量仪表类型: 单相
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
供应商设备封装: 28-SSOP
包装: 带卷 (TR)
配用: 598-1555-ND - BOARD EVAL FOR CS5467 ADC
CS5467
8.2.2 Instantaneous Current (I1, I2), Voltage (V1, V2), and Power (P1, P2)
Address: 1 ( I1 ), 2 ( V1 ), 3 ( P2 ), 7 ( I2 ), 8 ( V2 ), 9 ( P2 )
MSB
LSB
-(2 )
2
2
2
2
2
0
2
-1
2
-2
-3
-4
-5
-6
-7
.....
2 -17
2
-18
2
-19
2
-20
2
-21
2
-22
2 -23
I1 ( I2 ) and V1 ( V2 ) contain instantaneous current and voltage, respectively, which are multiplied to yield instan-
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.
8.2.3 Active Power (P1 AVG , P2 AVG )
Address: 4 ( P1 AVG ), 10 ( P2 AVG )
MSB
LSB
-(2 0 )
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
Instantaneous power is averaged over each low-rate interval ( N samples) to compute active power, P1 AVG
( P2 AVG ). 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.
8.2.4 RMS Current (I1 RMS , I2 RMS ) and Voltage (V1 RMS , V2 RMS )
Address: 5 ( I1 RMS ), 6 ( V1 RMS ), 11 ( I2 RMS ), 12 ( V2 RMS )
MSB
LSB
2 -1
2 -2
2 -3
2 -4
2 -5
2 -6
2 -7
2 -8
.....
2 -18
2 -19
2 -20
2 -21
2 -22
2 -23
2 -24
I1 RMS ( I2 RMS ) and V1 RMS ( V2 RMS ) contain the root mean square (RMS) values of I1 ( I2 ) and V1 ( V2 ), calcu-
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.
8.2.5 Instantaneous Quadrature Power (Q1, Q2)
Address: 14 ( Q1 ), 17 ( Q2 )
MSB
LSB
-(2
0 )
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
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.
8.2.6 Reactive Power (Q1 Avg , Q2 AVG )
Address: 13 ( Q1 AVG ), 16 ( Q2 AVG )
MSB
LSB
-(2 0 )
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
Reactive power Q1 AVG ( Q2 AVG ) is Q1 ( Q2 ) averaged over every N samples. 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.
30
DS714F3
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