CS42448 Datasheet, PDF (13/70 Pages) Cirrus Logic – 108 dB, 192 kHz 6-in, 8-out CODEC

ANALOG INPUT CHARACTERISTICS (CS42448-DQZ)
(Test Conditions (unless otherwise specified):VLS = VLC = VD = 3.3 V, VA = 5 V; Full scale input sine wave: 1 kHz
through the active input filter on page 56; Measurement Bandwidth is 10 Hz to 20 kHz unless otherwise specified.)
Differential
Single-Ended
Parameter
Min
Typ
Max Min
Typ
Max Unit
Single Speed Mode
Fs=48 kHz
Dynamic Range
A-weighted 97
105
-
unweighted 94
102
-
94
102
-
dB
91
99
-
dB
Total Harmonic Distortion + Noise -1 dB -
-98
-90
-
-95
-87
dB
(Note 5)
-20 dB _-
-82
-
-
-79
-
dB
-60 dB _-
-42
-
-
-39
-
dB
Double Speed Mode
Fs=96 kHz
Dynamic Range
A-weighted 97
105
-
unweighted 94
102
-
40 kHz bandwidth unweighted -
99
-
94
102
-
dB
91
99
-
dB
-
96
-
dB
Total Harmonic Distortion + Noise -1 dB -
-98
-90
-
-95
-87
dB
(Note 5)
-20 dB _-
-82
-
-
-79
-
dB
-60 dB _-
-42
-
-
-39
-
dB
40 kHz bandwidth
-1 dB _-
-87
-
-
-87
-
dB
Quad Speed Mode
Fs=192 kHz
Dynamic Range
A-weighted 97
105
-
unweighted 94
102
-
40 kHz bandwidth unweighted -
99
-
94
102
-
dB
91
99
-
dB
-
96
-
dB
Total Harmonic Distortion + Noise -1 dB -
-98
-90
-
-95
-87
dB
(Note 5)
-20 dB _-
-82
-
-
-79
-
dB
-60 dB _-
-42
-
-
-39
-
dB
40 kHz bandwidth
-1 dB _-
-87
-
-
-87
-
dB
All Speed Modes
ADC1-3 Interchannel Isolation
-
90
-
-
90
-
dB
ADC3 MUX Interchannel Isolation
-
85
-
-
85
-
dB
DC Accuracy
Interchannel Gain Mismatch
-
0.1
-
-
0.1
-
dB
Gain Drift
-
±100
-
-
±100
- ppm/°C
Analog Input
Full-scale Input Voltage
Differential Input Impedance (Note 6)
Single-Ended Input Impedance (Note 7)
1.04*VA 1.12*VA 1.20*VA 0.52*VA 0.56*VA 0.60*VA Vpp
18
-
-
-
-
-
kΩ
-
-
-
18
-
-
kΩ
Common Mode Rejection Ratio (CMRR)
-
82
-
-
-
-
dB
Notes: 5. Referred to the typical full-scale voltage.
6. Measured between AINx+ and AINx-.
7. Measured between AINxx and AGND.
DS648PP2
13