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)
Symbol
Min
Typ
Max
Unit
Total Harmonic Distortion
THD
74
80
VA-
-
-
-
dB
dB
V
Common Mode Rejection
Common Mode + Signal on Input
Input Sampling Rate
(DC, 50, 60 Hz) CMRR
-
-
-
VA+
-
XIN/4
Hz
Analog Inputs (Current Channel)
Differential Input Voltage Range
[ (vIIN+) - (vIIN-) ]
Gain=20
Gain=1
IIN
-
-
40
800
-
-
mV
mV
Bipolar Offset
Gain=20 VOS
Gain=1 VOS
-
-
0.500
10
1
20
mV
mV
Crosstalk (Channel-to-Channel)
Input Capacitance
(50, 60 Hz)
-
-
-120
dB
Gain=20
Gain=1
IC
IC
-
-
-
-
20
1
pF
pF
Effective Input Impedance
(Note 3)
Gain=20
Gain=1
EII
EII
50
-
-
-
kΩ
kΩ
500
600
Noise (Referred to Input)
0-60 Hz
-
-
-
µVrms
µVrms
µVrms
µVrms
µVrms
µVrms
Gain=20
Gain=1
Gain=20
Gain=1
Gain=20
Gain=1
1
20
2.5
50
3.75
75
0-1 kHz
0-2 kHz
Analog Inputs (Voltage Channel)
Differential Input Voltage Range
[ (vVIN+) - (vVIN-) ]
VIN
800
-
mV0-pk
Bipolar Offset
Gain=1 VOS
(50, 60 Hz)
-
-
-
-
20
-
25
-120
0.2
4
mV
dB
Crosstalk with Current Channel
Input Capacitance
IC
-
pF
Effective Input Impedance
(Note 3)
EII
3
MΩ
Noise (Referred to Input)
0-60 Hz
0-1 kHz
-
-
-
-
-
-
20
50
75
µVrms
µVrms
µVrms
0-2 kHz
Dynamic Characteristics
High Rate Filter Output Word Rate
OWRS = “0” OWR
OWRS = “1” OWR
-
-
XIN/2048
XIN/1024
-
-
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)
3
CIRRUS [ CIRRUS LOGIC ]
