CS5467-IS datasheet(7/46 Pages) CIRRUS

部件名	CS5467-IS

功能描述	Four-channel Power / Energy IC

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制造商	CIRRUS [Cirrus Logic]

网页	http://www.cirrus.com

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CS5467

DS714F1

7

3. CHARACTERISTICS & SPECIFICATIONS

RECOMMENDED OPERATING CONDITIONS

ANALOG CHARACTERISTICS

• Min / Max characteristics and specifications are guaranteed over all Recommended Operating Conditions.

• Typical characteristics and specifications are measured at nominal supply voltages and TA = 25 °C.

• VA+ = VD+ = 5 V ±5%; AGND = DGND = 0 V; VREFIN = +2.5 V. All voltages with respect to 0 V.

• DCLK = 4.096 MHz.

Notes: 1. Applies when the HPF option is enabled.

2. Applies when the line frequency is equal to the product of the output word rate (OWR) and the value of

Epsilon.

Parameter

Symbol

Min

Typ

Max

Unit

Positive Digital Power Supply

VD+

3.135

5.0

5.25

V

Positive Analog Power Supply

VA+

4.75

5.0

5.25

V

Voltage Reference

VREFIN

-

2.5

-

V

Specified Temperature Range

TA

-40

-

+85

°C

Parameter

Symbol

Min

Typ

Max

Unit

Accuracy

Active Power

All Gain Ranges

(Note 1)

Input Range 0.1% - 100%

PACTIVE

-±0.1

-

%

Reactive Power

All Gain Ranges

(Note 1 and 2)

Input Range 0.1% - 100%

QAVG

-±0.2

-

%

Power Factor

All Gain Ranges

(Note 1 and 2)

Input Range 1.0% - 100%

Input Range 0.1% - 1.0%

PF

-

±0.2

±0.27

-

%

Current RMS

All Gain Ranges

(Note 1)

Input Range 1.0% - 100%

Input Range 0.1% - 1.0%

IRMS

-

±0.1

±0.17

-

%

Voltage RMS

All Gain Ranges

(Note 1)

Input Range 5% - 100%

VRMS

-±0.1

-

%

Analog Inputs (All Inputs)

Common Mode Rejection

(DC, 50, 60 Hz)

CMRR

80

-

dB

Common Mode + Signal

-0.25

-

VA+

V

Analog Inputs (Current Inputs)

Differential Input Range

(Gain = 10)

[(IIN+) – (IIN-)]

(Gain = 50)

IIN

-

500

100

-

mVP-P

Total Harmonic Distortion

(Gain = 50)

THD

80

94

-

dB

Crosstalk from Voltage input at Full Scale

(50, 60 Hz)

--115

-

dB

Input Capacitance

IC

-

27

-

pF

Effective Input Impedance

EII

30

-

k

Ω

Noise (Referred to Input)

(Gain = 10)

(Gain = 50)

NI

-

22.5

4.5

µVrms

Offset Drift (Without the High-pass Filter)

OD

-

4.0

-

µV/°C

Gain Error

(Note 3)

GE

-

±0.4

%

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