CS5490-ISZR データシートの表示（PDF） - Cirrus Logic
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CS5490-ISZR Datasheet PDF : 56 Pages
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CS5490
3. CHARACTERISTICS & SPECIFICATIONS
RECOMMENDED OPERATING CONDITIONS
Parameter
Positive Analog Power Supply
Specified Temperature Range
Symbol
VDDA
TA
POWER MEASUREMENT CHARACTERISTICS
Active Energy
(Note 1 & 2)
Reactive Energy
(Note 1 & 2)
Apparent Power
(Note 1 & 3)
Current RMS
(Note 1, 3, & 4)
Voltage RMS
(Note 1 & 3)
Power Factor
(Note 1 & 3)
Parameter
All Gain Ranges
Current Channel Input Signal Dynamic Range 4000:1
All Gain Ranges
Current Channel Input Signal Dynamic Range 4000:1
All Gain Ranges
Current Channel Input Signal Dynamic Range 1000:1
All Gain Ranges
Current Channel Input Signal Dynamic Range 1000:1
Voltage Channel Input Signal Dynamic Range 20:1
All Gain Ranges
Current Channel Input Signal Dynamic Range 1000:1
Symbol
PAvg
QAvg
S
IRMS
VRMS
PF
Min
Typ Max Unit
3.0
3.3 3.6
V
-40
-
+85 °C
Min
Typ
Max Unit
-
±0.1
-
%
-
±0.1
-
%
-
±0.1
-
%
-
±0.1
-
%
-
±0.1
-
%
-
±0.1
-
%
Notes: 1. Specifications guaranteed by design and characterization.
2. Active energy is tested with power factor PF = 1.0. Reactive energy is tested with Sin() = 1.0. Energy error measured at system
level using single energy pulse. Where: 1) One energy pulse = 0.5Wh or 0.5Varh; 2) VDDA = +3.3V, TA = 25°C, MCLK = 4.096MHz;
3) System is calibrated.
3. Calculated using register values; N≥4000.
4. IRMS error calculated using register values. 1) VDDA = +3.3V; TA = 25°C; MCLK = 4.096MHz; 2) AC offset calibration applied.
TYPICAL LOAD PERFORMANCE
• Energy error measured at system level using single energy pulse; where 1 energy pulse = 0.5Wh or 0.5Varh.
• IRMS error calculated using register values
• VDDA = +3.3V; TA = 25°C; MCLK = 4.096MHz
1
0.5
0
Lagging PF = 0.5
Leading PF = 0.5
PF = 1
-0.5
-1
0
500 1000 1500 2000 2500 3000 3500 4000 4500
Current Dynamic Range (x : 1)
Figure 3. Active Energy Load Performance
8
DS982F2
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