User's Manual

XR-50B WIFI module
Copyright © 2019 ShenzhenJiXinInteligence Co., Ltd All Rights Reserved
Page 14 of 17
THD+N (-3dBFS
1KHz input)
-
-89
-
dB
SNR (A-weighted)
PGA Gain=24dB
-
91
-
dB
THD+N (-3dBFS
1KHz input)
-
-69
-
dB
VCC=3.3V, VDD_ANA=1.8V, temperature=25℃ ,DAC performance
Item
Condition
Performance
Min.
Typ.
Max.
Unit
Full-Scale Output
Level
RLoad=100K
-
0.856
-
Vrms
SNR (A-weighted)
-
99
-
dB
THD+N (-3dBFS 1KHz
input)
-
-87
-
dB
3.4 Power dissipation
XR872, 25℃, VCC=3.3V,VDD_ANA=1.8V, MCU 384MHz
Mode
MCU
State
WLAN
State
TX/RX
Test condition
Min.
Typ.
Max.
Unit
ACTIVE
Active
Active
TX
1M DSSS
17dBm
-
217.0
-
mA
11M
CCK
17dBm
-
226.6
-
mA
6M
OFDM
16dBm
-
214.0
-
mA