CS5471 Просмотр технического описания (PDF) - Cirrus Logic
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CS5471 Datasheet PDF : 14 Pages
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CS5471
1. CHARACTERISTICS AND SPECIFICATIONS
ANALOG CHARACTERISTICS (TA = -40 °C to +85 °C; +2.7V < VA+ < +3.5V; +2.7V < VD+ < +3.5V;
VA- = -2 V ±10%; External VREF+ = 1.2 V; XIN = 4.000 MHz; AGND, DGND = 0.0V.) (See Notes 1 and 2)
Parameter
Accuracy (All Channels)
Total Harmonic Distortion
Common Mode Rejection
Common Mode + Signal on Input
Input Sampling Rate
Analog Inputs (Current Channel)
Differential Input Voltage Range
[ (vIIN+) - (vIIN-) ]
Bipolar Offset
Crosstalk (Channel-to-Channel)
Input Capacitance
Effective Input Impedance
Noise (Referred to Input)
0-60 Hz
0-1 kHz
0-2 kHz
Analog Inputs (Voltage Channel)
Differential Input Voltage Range
[ (vVIN+) - (vVIN-) ]
Bipolar Offset
Crosstalk with Current Channel
Input Capacitance
Effective Input Impedance
Noise (Referred to Input)
0-60 Hz
0-1 kHz
0-2 kHz
Dynamic Characteristics
High Rate Filter Output Word Rate
Symbol Min
Typ
Max Unit
THD
74
(DC, 50, 60 Hz) CMRR 80
VA-
-
-
-
-
XIN/4
-
dB
-
dB
VA+
V
-
Hz
Gain=20 IIN
-
Gain=1
-
Gain=20 VOS
-
Gain=1 VOS
-
(50, 60 Hz)
-
Gain=20 IC
-
Gain=1 IC
-
(Note 3)
Gain=20 EII
50
Gain=1 EII
-
-
Gain=20
Gain=1
Gain=20
Gain=1
Gain=20
Gain=1
±40
±800
0.500
10
-
-
-
-
500
-
-
-
1
20
-120
20
1
-
600
1
20
2.5
50
3.75
75
mV
mV
mV
mV
dB
pF
pF
kΩ
kΩ
µVrms
µVrms
µVrms
µVrms
µVrms
µVrms
VIN
Gain=1
(50, 60 Hz)
(Note 3)
VOS
IC
EII
OWRS = “0” OWR
OWRS = “1” OWR
-
±800
-
mV0-pk
-
20
25
mV
-
-
-120
dB
-
-
0.2
pF
-
3
4
MΩ
-
-
20
µVrms
-
-
50
µVrms
-
-
75
µVrms
-
XIN/2048
-
Hz
-
XIN/1024
-
Hz
Notes: 1. Specifications guaranteed by design, characterization, and/or test.
2. Analog signals are relative to AGND and digital signals to DGND unless otherwise noted.
3. Effective Input Impedance (EII) varies with clock frequency (XIN) and Input Capacitance (IC)
EII = 1/(IC*XIN/4)
3
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