
xE922-3GR Hardware User Guide
1VV0301272
Rev.0.8 2017-01-05
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights
Reserved.
Page 89 of 112
Parameters loudspeaker:
Parameter
Min
Typ
Max
Unit
condition
BW
20
Hz
Lower limit
4
20
kHz
Upper limit
Freq response
-0.5
0.5
dB
20 dB FS ref ampl @997Hz
DR
73
80
dB FS
CCIR
RL=8 ohm, gain 0dB
THD+N
-45
-56
dB
RL=8 ohm, gain 0dB, ref signal -10 dB FS
Pout
fundamental
wave
700
mW
V_BAT=3.8V,RL= 8 ohm, 10% THD
1200
mW
V_BAT=5.0V,RL= 8 ohm, 10% THD
R_load
8
ohm
Efficiency
80
%
V_BAT=3.8V, load 8 ohm, 125pF, 100uH,
Pout=100mW
PSSR
80
90
dB
Gain
0
24
dB
F_switch
classD
0.6
1.2
2.4
MHz