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WM8960CGEFL/V Datasheet(PDF) 27 Page - Cirrus Logic

Part # WM8960CGEFL/V
Description  Speaker and Headphone Drivers for Portable Audio Applications
PDF  94 Pages
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Manufacturer  CIRRUS [Cirrus Logic]
Direct Link  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

WM8960CGEFL/V Datasheet(HTML) 27 Page - Cirrus Logic

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WM8960
Rev 4.4
27
EXAMPLE INPUT CONFIGURATIONS
Some example input configurations are shown in Figure 10.
LINPUT2
LINPUT1
VMID
LINPUT3
Left Input
PGA
AINL=1
LMIC=1
LINMUTE=0
LMN1=1
LMP2=0
LMP3=0
LIN2BOOST=000
LIN3BOOST=000
LI2LO=0
MICBIAS
MIC
GND
to input
boost
Single-ended MIC configuration on left channel.
LINPUT2 and LINPUT3 unused
LINPUT2
LINPUT1
LINPUT3
VMID
Left Input
PGA
AINL=1
LMIC=1
LINMUTE=0
LMN1=1
LMP2=1
LMP3=0
LIN2BOOST=000
LIN3BOOST=000
LI2LO=0
MICBIAS
MIC
GND
to input
boost
Pseudo-differential MIC configuration on left channel
using LINPUT1 as ground connection and LINPUT2 as signal
input.
LINPUT3 unused.
LINPUT2
LINPUT1
VMID
LINPUT3
VMID
Left Input
PGA
AINL=1
LMIC=1
LINMUTE=0
LMN1=1
LMP2=0
LMP3=0
LIN2BOOST=101
LIN3BOOST=000
LI2LO=0
MICBIAS
Input resistance
changes with
boost gain setting
to input
boost
to input
boost
MIC
GND
Single-ended MIC configuration on left channel.
LINPUT2 used as additional input to boost stage.
LINPUT3 unused.
LINPUT2
LINPUT1
VMID
LINPUT3
VMID
Left Input
PGA
AINL=1
LMIC=1
LINMUTE=0
LMN1=1
LMP2=0
LMP3=0
LIN2BOOST=000
LIN3BOOST=000
LI2LO=1
MICBIAS
Input resistance
changes with
bypass gain setting
to output
mixer
to input
boost
MIC
GND
Single-ended MIC configuration on left channel.
LINPUT3 used as input to bypass path.
LINPUT2 unused.
Figure 10 Example Microphone Input Configurations (See also "Recommended External Components")



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