CS4207-CNZ Datasheet, PDF (14/148 Pages) Cirrus Logic – Low-power, 4-in / 6-out HD Audio Codec with Headphone Amp

CS4207
ANALOG INPUT CHARACTERISTICS (COMMERCIAL - CNZ)
(Test Conditions (unless otherwise specified): Input sine wave (relative to digital full-scale): 1 kHz through passive
input filter; VA_HP = VA; VL_HD = VL_IF = 3.3; VD = 1.8 V; T_A = +25C; Measurement Bandwidth is 10 Hz to
20 kHz unless otherwise specified. Sample Frequency = 48 kHz)
VA, VA_REF = 5.0 V
VA, VA_REF = 3.3 V
(Differential/Single-ended) (Differential/Single-ended)
Parameter (Note 4)
Min
Typ
Max Min
Typ
Max Unit
Line In to PGA to ADC (ADC1 or ADC2; differential perf. characteristics only valid for ADC2)
Dynamic Range
PGA Setting: 0 dB
A-weighted 99/96 105/102
-
95/93 101/99
-
dB
unweighted 96/93 102/99
-
92/90 98/96
-
dB
PGA Setting: +12 dB
A-weighted 95/86 101/92
-
92/83 98/89
-
dB
unweighted 92/83 98/89
-
89/80 95/86
-
dB
Total Harmonic Distortion + Noise
PGA Setting: 0 dB
-1 dBFS -
-88/-88 -82/-82 -
-95/-92 -89/-86 dB
-60 dBFS -
-42/-39 -36/-33 -
-38/-36 -32/-30 dB
PGA Setting: +12 dB
-1 dBFS -
-88/-88 -82/-82 -
-92/-86 -86/-80 dB
Mic In to PGA to ADC (+20 dB) (ADC1 or ADC2; differential perf. characteristics only valid for ADC2)
Dynamic Range
A-weighted 86/78 92/84
-
83/75 89/81
-
dB
unweighted 83/75 89/81
-
80/72 86/78
-
dB
Total Harmonic Distortion + Noise
-1 dBFS -
-89/-82 -83/-76 -
-86/-78 -80/-72 dB
Other Analog Characteristics
DC Accuracy
Interchannel Gain Mismatch
-
0.2
-
-
0.2
-
dB
Gain Drift
-
±100
-
-
±100
-
ppm/°C
Offset Error
High Pass Filter On -
352
-
-
352
-
LSB
Interchannel Isolation
-
90
-
-
90
-
dB
HP Amp to Analog Input Isolation
R_L = 10 k -
100
-
R_L = 16  ^-
70
-
-
100
-
dB
-
70
-
dB
Full-scale Input Voltage - Line In/Mic In
(Differential Inputs)
PGA(0dB) 1.58•VA 1.66•VA 1.74•VA 1.58•VA 1.66•VA 1.74•VA Vpp
Full-scale Input Voltage - Line In PGA (0dB)
(Single-ended Inputs)
PGA (+12dB)
0.79•VA
0.83•VA
0.21•VA
0.87•VA 0.79•VA
0.83•VA
0.21•VA
0.87•VA
Vpp
Vpp
Full-scale Input Voltage - Mic In
PGA+Boost(0dB) 0.79•VA 0.83•VA 0.87•VA 0.79•VA 0.83•VA 0.87•VA Vpp
(Single-ended Inputs)
PGA+Boost(+20dB)
0.08•VA
0.08•VA
Vpp
Input Impedance (Note 5)
Mic In (Differential or Pseudo-Diff)
-
43.5
-
Line In (Pseudo-Diff, PGA = -12/0/+12 dB)
-
93/99/103
-
Mic/Line In (Single-Ended, PGA = -12/0/+12 dB)
-
27/33/37
-
-
43.5
-
k
- 93/99/103 -
k
- 27/33/37 -
k
Common Mode Rejection (Differential Inputs)
-
60
-
-
60
-
dB
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DS880F4