Earphone Interface Configuration; Referenced Electronic Characteristic - SimCom SIM548C HD V1.01 Hardware Design

SIM548C Hardware Design

3.10.3 Earphone interface configuration

3.10.4 Referenced electronic characteristic

Table 16: MIC Input Characteristics
Parameter Min
Working 1.2
Voltage
Working 200
Current
External 1.2
Microphone
Load
Resistance
Table 17: SPK Output Characteristics
Parameter
SIM548C_HD_V1.01
Figure 24: Earphone interface configuration
Typ
1.5
2.2
52
Max
2.0
500
Min Typ
Unit
V
uA
k Ohms
Max Unit
09.05.2008