Bluetrum Technology AB53 Series - Audio Dac Parameters; Audio Adc Parameters; Bt Parameters

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32
9.3 Audio DAC Parameters
Table 9-6 Audio DAC Parameters
Sym
Characteristics
Min
Typ
Max
Unit
Conditions
SNR
-
96
-
dB
VCM cap=1uF
VDDDAC cap=1uF
with A-wt filter
Output -3dBV
Fin=1KHz
THD+N
-
-86
-
dB
VCM cap=1uF
VDDDAC cap=1uF
with A-wt filter
Output -3dBV with 10K loading
Fin=1KHz
Output Range
Maximum output voltage
-
2.6
V
peak-peak
32ohm Loading
9.4 Audio ADC Parameters
Table 9-7 Audio ADC Parameters
Sym
Characteristics
Min
Typ
Max
Unit
Conditions
SNR
-
90
-
dB
VCM cap=1uF
VDDDAC cap=1uF
with A-wt filter
Input sine amplitude, 850mV
RMS
Fin=1KHz
THD+N
-
-87
-
dB
VCM cap=1uF
VDDDAC cap=1uF
with A-wt filter
Input sine amplitude, 850mV
RMS
Fin=1KHz.
Input Range
Input sine wave peak amplitude
0
VCM
V
From aux input, aux 0db gain,
VCM represent VCM voltage.
9.5 BT Parameters
Table 9-8 BT Parameters
Characteristics
Min
Typical
Max
Unit
Conditions
Maximum Transmit Power
-
2
-
dBm
RMS DEVM
-
5.5
-
%
Maximum TX power
2-DH5 packet
Peak DEVM
-
12.5
%
EDR Relative Transmit Power
-0.2
dB
Sensitivity @ Basic Rate
-90.5
dBm
BER=0.1%, using DH5 packet
Sensitivity @ EDR
-89.5
dBm
BER=0.01%, using 2-DH5 packet