CS5451-BS Ver la hoja de datos (PDF) - Cirrus Logic
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CS5451-BS Datasheet PDF : 14 Pages
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CS5451
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
Symbol Min
Accuracy (All Channels)
Total Harmonic Distortion
THD
74
Common Mode Rejection
(DC, 50, 60 Hz) CMRR 80
Common Mode + Signal on Input
VA-
Input Sampling Rate
-
Analog Inputs (Current Channels)
Differential Input Voltage Range
[ For example: (vIIN1+) - (vIIN1-) ]
Gain=20 IIN
-
Gain=1
-
Bipolar Offset
Gain=20 VOS
-
Gain=1 VOS
-
Crosstalk (Channel-to-Channel)
(50, 60 Hz)
-
Input Capacitance
Gain = 20 IC
-
Gain = 1 IC
-
Effective Input Impedance
(Note 3)
Gain=20 EII
50
Gain=1 EII
-
Noise (Referred to Input)
0-60 Hz
0-1 kHz
0-2 kHz
Gain=20
-
Gain=1
-
Gain=20
-
Gain=1
-
Gain=20
-
Gain=1
-
Analog Inputs (Voltage Channels)
Differential Input Voltage Range
[ For example: (vVIN1+) - (vVIN1-) ]
VIN
-
Bipolar Offset
Gain=1 VOS
-
Crosstalk to any other channel at full-scale
(50, 60 Hz)
-
Input Capacitance
IC
-
Effective Input Impedance
(Note 3) EII
-
Noise (Referred to Input)
0-60 Hz
-
0-1 kHz
-
0-2 kHz
-
Dynamic Characteristics
High Rate Filter Output Word Rate
OWRS = “0” OWR
-
OWRS = “1” OWR
-
Typ
-
-
-
XIN/4
±40
±800
0.500
10
-
-
-
-
500
-
-
-
-
-
-
±800
20
-
-
3
-
-
-
XIN/2048
XIN/1024
Max
-
-
VA+
-
-
-
1
20
-120
20
1
-
600
1
20
2.5
50
3.75
75
-
25
-120
0.2
4
20
50
75
-
-
Unit
dB
dB
V
Hz
mV
mV
mV
mV
dB
pF
pF
kΩ
kΩ
µVrms
µVrms
µVrms
µVrms
µVrms
µVrms
mV
mV
dB
pF
MΩ
µVrms
µVrms
µVrms
Hz
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)
DS458PP4
3
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