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CS5490 数据表(PDF) 10 Page - Cirrus Logic

部件名 CS5490
功能描述  Two Channel Energy Measurement IC
PDF  56 Pages
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制造商  APEX [Cirrus Logic]
网页  http://www.cirrus.com
标志 APEX - Cirrus Logic

CS5490 数据表(HTML) 10 Page - Cirrus Logic

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CS5490
10
DS982F2
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.
• VDDA = +3.3V ±10%; GNDA = 0V. All voltages with respect to 0V.
• MCLK = 4.096MHz.
Parameter
Symbol
Min
Typ
Max
Unit
Analog Inputs (Current Channels)
Common Mode Rejection
(DC, 50, 60Hz)
CMRR
80
-
-
dB
Common Mode+Signal
-0.25
-
VDDA
V
Differential Full-scale Input Range
(Gain = 10)
[(IIN+) – (IIN-)]
(Gain = 50)
IIN
-
-
250
50
-
-
mVP
mVP
Total Harmonic Distortion
(Gain = 50)
THD
90
100
-
dB
Signal-to-Noise Ratio (SNR)
(Gain = 10)
(Gain = 50)
SNR
-
-
80
80
-
-
dB
dB
Crosstalk from Voltage Inputs at Full Scale
(50, 60Hz)
--115
-
dB
Crosstalk from Current Input at Full Scale
(50, 60Hz)
--115
-
dB
Input Capacitance
IC
-
27
-
pF
Effective Input Impedance
EII
30
-
-
k
Offset Drift (Without the High-pass Filter)
OD
-
4.0
-
µV/°C
Noise (Referred to Input)
(Gain = 10)
(Gain = 50)
NI
-
-
9
2.2
-
-
µVRMS
µVRMS
Power Supply Rejection Ratio
(60Hz)
(Note 7)
(Gain = 10)
(Gain = 50)
PSRR
60
68
65
75
-
-
dB
dB
Analog Inputs (Voltage Channels)
Common Mode Rejection
(DC, 50, 60Hz)
CMRR
80
-
-
dB
Common Mode+Signal
-0.25
-
VDDA
V
Differential Full-scale Input Range
[(VIN+) – (VIN-)]
VIN
-
250
-
mVP
Total Harmonic Distortion
THD
80
88
-
dB
Signal-to-Noise Ratio (SNR)
SNR
-
73
-
dB
Crosstalk from Current Inputs at Full Scale
(50, 60Hz)
--115
-
dB
Input Capacitance
IC
-
2.0
-
pF
Effective Input Impedance
EII
2
-
-
M
Noise (Referred to Input)
NV
-40-
µVRMS
Offset Drift (Without the High-pass Filter)
OD
-
16.0
-
µV/°C
Power Supply Rejection Ratio
(60Hz)
(Note 7)
(Gain = 10)
PSRR
60
65
-
dB
Temperature
Temperature Accuracy
(Note 6)
T-
±5
-
°C



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