User's Manual

XR-50B WIFI module
Copyright © 2019 ShenzhenJiXinInteligence Co., Ltd All Rights Reserved
Page 13 of 17
3.3 Audio codec
VCC=3.3V, VDD_ANA=1.8V,temperature=25℃ ,ADC performance
Item
Conditon
Performance
Min.
Typ.
Max.
Unit
Full-Scale Input Level
PGAGain=0dB@THD<-40dB
-
1.75
-
Vrms
SNR (A-weighted)
PGA Gain=0dB
-
100
-
dB
THD+N (-3dBFS 1KHz
input)
-
-90
-
dB
SNR (A-weighted)
PGA Gain=24dB
-
94
-
dB
THD+N (-3dBFS 1KHz
input)
-
-91
-
dB
SNR (A-weighted)
PGA Gain=36dB
-
84
-
dB
THD+N (-3dBFS 1KHz
input)
-
-81
-
dB
VCC=3.3V, VDD_ANA=1.8V, temperature=25℃ ,Line-in performance
Item
Condition
Performance
Min.
Typ.
Max.
Unit
Full-Scale Input Level
PGAGain=0dB@THD<-40dB
-
1.8
-
Vrms
SNR (A-weighted)
PGA Gain=0dB
-
99
-
dB