Quectel MC60 Series

GSM/GPRS/GNSS Module Series
MC60 Series Hardware Design
MC60_Series_Hardware_Design Confidential / Released 66 / 114
3.10.6. Audio Characteristics
Table 19: Typical Electret Microphone Characteristics
Table 20: Typical Speaker Characteristics
Parameter
Min.
Typ.
Max.
Unit
Working Voltage
1.2
1.5
2.0
V
Working Current
200
500
uA
External Microphone Load Resistance
2.2
Kohm
Parameter
Min.
Typ.
Max.
Unit
AOUT1
Output
Single-ended
Load resistance
32
Ohm
Reference level
0
2.4
Vpp
Differential
Load resistance
32
Ohm
Reference level
0
4.8
Vpp
AOUT2
Output
Differential
Load resistance
8
Ohm
Reference level
0
2 × VBAT
Vpp
Single-ended
Load resistance
8
Ohm
Reference level
0
VBAT
Vpp
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