User's Manual

ManualsBrandsAMOD Technology ManualsElectronicsGSM/GPRS MODULE

Date:2008/09/10

Version: 1.401

Status: Released

VIL Input low voltage -0.3 0.8 V

IIH Leak current when high input - 2 µA

IIL Leak current at low input level -2 - µA

VOH Voltage output at high voltage 2.39 3.00 V

VOL Voltage output at low voltage 0 0.40 V

CIN Input capacitor - 15 pF

1.8.2. Audio Interface

ACM8060 audio interface reference testing value is as table 0-8, 0-9, 0-10 and 0-11.

Table 0-4 MIC 1 audio input

Parameter Typical Value

Maximum input level (MIC+–MIC-) 32.5mVrms

Differential input resistance

220 KΩ

1.9~2.1V MIC Skew voltage

2.0~2.2V

Table 0-5 MIC1 audio output

Parameter Testing MIN TYP MAX

4VPP Output

16Ω

- - Resistance (MIC+–MIC-)

3V 1KHz

<1Ω

- -

Table 0-6 EAR 1 audio output

Parameter Testing MIN TYP MAX

EAR+ or EAR- maximum Differentiate - - 1%

16Ω 5%

3.1VPP - 43.92VPEAR+ or EAR- maximum output

4Ω 5%

1.2VPP - 1.5VPP

Table 0-7 EAR2 audio output

Parameter Testing MIN TYP MAX

EAR+ or EAR- capacitance Differential - - 1%

16Ω 5%

3.1VPP - 43.92VPEAR+ or EAR- maximum output

4Ω 5%

1.2VPP - 1.5VPP

1.9. Power characteristics

1.9.1. Input power

The input power of ACM8060 is described as below table:

Table 0-8 Input power requirement

Parameter Min Typ Max Unit

VBatt+ 3.4 4.0 4.5 V

1.9.2. Operation Current

The operation current requirement is described as below: