CS5490-ISZR datasheet(8/56 Pages) APEX

No de pièce	CS5490-ISZR

Description	Two Channel Energy Measurement IC

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Fabricant	APEX [Cirrus Logic]

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CS5490

8

DS982F2

3. CHARACTERISTICS & SPECIFICATIONS

RECOMMENDED OPERATING CONDITIONS

POWER MEASUREMENT CHARACTERISTICS

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

Parameter

Symbol

Min

Typ

Max

Unit

Positive Analog Power Supply

VDDA

3.0

3.3

3.6

V

Specified Temperature Range

TA

-40

-

+85

°C

Parameter

Symbol

Min

Typ

Max

Unit

Active Energy

All Gain Ranges

(Note 1 & 2)

Current Channel Input Signal Dynamic Range 4000:1

PAvg

-±0.1

-

%

Reactive Energy

All Gain Ranges

(Note 1 & 2)

Current Channel Input Signal Dynamic Range 4000:1

QAvg

-±0.1

-

%

Apparent Power

All Gain Ranges

(Note 1 & 3)

Current Channel Input Signal Dynamic Range 1000:1

S-

±0.1

-

%

Current RMS

All Gain Ranges

(Note 1, 3, & 4)

Current Channel Input Signal Dynamic Range 1000:1

IRMS

-±0.1

-

%

Voltage RMS

(Note 1 & 3)

Voltage Channel Input Signal Dynamic Range 20:1

VRMS

-±0.1

-

%

Power Factor

All Gain Ranges

(Note 1 & 3)

Current Channel Input Signal Dynamic Range 1000:1

PF

-

±0.1

-

%

-1

-0.5

0

0.5

1

0

500

1000

1500

2000

2500

3000

3500

4000

4500

Current Dynamic Range (x : 1)

Lagging PF = 0.5

Leading PF = 0.5

PF = 1

Figure 3. Active Energy Load Performance

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