User's Manual
15
Stereo CODEC Analogue to Digital Converter
Parameter
Conditions
Min
Typ
Max
Unit
Resolution
-
-
16
Bits
Input Sample Rate,
F
sample
8
-
44.1
kHz
Signal to Noise
Ratio, SNR
fin = 1kHz
B/W = 20Hz→20kHz
A-Weighted
THD+N < 1%
150mVpk-pk input
F
sample
8 kHz
-
82
-
dB
11.025 kHz
-
81
-
dB
16 kHz
-
80
-
dB
22.050 kHz
-
79
-
dB
32 kHz
-
79
-
dB
44.1 kHz
-
78
-
dB
Digital Gain
Digital Gain Resolution = 1/32dB
-24
-
21.5
dB
Analogue Gain
Analogue Gain Resolution = 3dB
-3
-
42
dB
Input full scale at maximum gain (differential)
-
4
-
mV rms
Input full scale at minimum gain (differential)
-
800
-
mV rms
3dB Bandwidth
-
20
-
kHz
Microphone mode input impedance
-
6.0
-
kΩ
THD+N (microphone input) @ 30mV rms input
-
0.04
-
%
Table 5: Stereo CODEC ADC characteristics
Stereo CODEC Digital to Analog Converter
Parameter
Conditions
Min
Typ
Max
Unit
Resolution
-
-
16
Bits
Input Sample
Rate, F
sample
8
-
48
kHz
Signal to Noise
Ratio, SNR
fin = 1kHz
B/W = 20Hz→20kHz
A-Weighted
THD+N < 1%
150mVpk-pk input
F
sample
8 kHz
-
95
-
dB
11.025 kHz
-
95
-
dB
16 kHz
-
95
-
dB
22.050 kHz
-
95
-
dB
32 kHz
-
95
-
dB
44.1 kHz
-
95
-
dB
Digital Gain
Digital Gain Resolution = 1/32dB
-24
-
21.5
dB
Analogue Gain
Analogue Gain Resolution = 3dB
0
-
-21
dB
Output voltage full scale swing (differential)
-
750
-
mV rms
Allowed Load
Resistive
16(8)
-
OC
Ω
Capacitive
-
-
500
pF
THD+N 100kΩ load
-
-
0.01
%
THD+N 16Ω load
-
-
0.1
%
SNR (Load = 16Ω, 0dBFS input relative to digital silence)
-
95
-
dB
Table 6: Stereo CODEC DAC characteristics