User's Manual

B426-AB1510
Stereo Speaker Module For Intensive Audio Applications
B426-AB1510 Stereo Speaker Module for Intensive
Audio Applications Page 14 of 17 CONFIDENTIAL
Specification
Version 0.40 Sep-2015
F = F
0
-2MHz
π/4 DQPSK -20 dB
8DPSK -13 dB
F = F
0
+3MHz
π/4 DQPSK -40 dB
8DPSK -33 dB
F = F
image
π/4 DQPSK -7 dB
8DPSK 0 dB
Table 4-8 Receiver Enhanced Data Rate
4.5 Audio ADC
Item Condition Min. Typ. Max. Unit
SNR
Microphone amplifier
(A-Weighted 1kHz@ full scale,
microphone input BW=20~20kHz)
84 dB
Codec bypass mode
(A-Weighted 1kHz@ full scale,
line-input BW=20~20kHz,
VCCSPK=3V EAR_AMP=0dB)
95 dB
THD+N
Microphone amplifier gain=42dB
(A-Weighted 1kHz@-10dBFS,
microphone input BW=20~4kHz)
-55 dB
Microphone amplifier gain=21dB
(A-Weighted 1kHz@-10dBFS,
microphone input BW=20~20kHz)
-66.7 DB
Microphone amplifier gain=0dB
(A-Weighted 1kHz@ -10dBFS,
line-input BW=20~20kHz)
0.05 %
Digital Gain -21 24 dB
Analog Gain 0 42 dB
Input Full-Scale at MAX gain 2.24 MVrms
Input Full-Scale at Min gain 282 MVrms
Microphone in level (Microphone input, full scale) 0.8 Vpp
Input in level (Line-input, full scale) 1.7 Vpp
Mic_bias_voltage 2.7 V
Table 4-9 Audio ADC