User's Manual

DATASHEET FC6000 Confidential Information 18/53
3.5.6 Audio
3.5.6.1 Analog out
Conditions unless noted, otherwise : Tamb.=25°C; Vc c=3V3
Parameter
Conditions
Min.
Typ.
Max.
Unit
Maximum output level - - 0.41 Vrms
Drive load capability
Lineout to agnd,
AC coupled
7 10 - kΩ
- 30 1000 pF
High Cut-off Frequency (-3dB)
19.99kHz
@Fs=44.1kHz
- =0.4535xFs
- Hz
Signal to Noise Ratio
@1kHz,
340mVrms
- 65 - dB
THD+N
@1kHz,
340mVrms
- 0.03 - %
Noise level - 104 - µV
Crosstalk between channels - -80 - dB
3.5.6.2 Microphone input
Conditions unless noted, otherwise : Tamb.=25°C; Vc c=3V3
Parameter
Conditions
Min.
Typ.
Max.
Unit
Maximum input level
+30dB gain on
module
- - 30 mVrms
Input impedance
+30dB gain on
module
7.1 - kΩ
Low Cut-off Frequency (-3dB)
1µF capacitor on
mother board
- 16 18 Hz
High Cut-off Frequency (-3dB)
19.99kHz
@Fs=44.1kHz
- =0.4535xFs
- Hz
Signal to Noise Ratio @1kHz, 30mVrms - 75 - dB
THD+N @1kHz, 30mVrms - 0.04 - %
3.5.6.3 Microphone bias
Conditions unless noted, otherwise : Tamb.=25°C; Vc c=3V3
Parameter
Conditions
Min.
Typ.
Max.
Unit
Bias voltage Vdd_codec = 3V 2.7 - 3 V
Max load current - - 3 mA
Microphone bias filter
low cut off frequency
470µF capacitor
on mother board
- - 4.5 Hz
3.5.7 Bluetooth radio link
Conditions unless noted, otherwise : Tamb.=25°C; Vc c=3V3
Parameter
Conditions
Min.
Typ.
Max.
Unit
Antenna AC impedance Module with connector only - 50 - Ω
Antenna DC impedance Module with connector only - - 28.5 kΩ