ml7041 Oki Semiconductor, ml7041 Datasheet - Page 6

• Manufacturer Part Number: ml7041
• Description: Audio Codec
• Manufacturer: Oki Semiconductor

OKI Semiconductor
Vi
Vi
Vi
V
SPO
C
C
C
R5
R1
R3
V
EXTO
C
C
C
C
R2
R6
R4
R7
R8
Figure 1 Analog Interface
MIC3+
EAR1O
EAR2O
SPO+
SPO–
MIC1I
MIC1O
MIC3–
MIC3O
SG
EXTO
EXTI
MIC2I
MIC2O
20 k
20 k
20 k
VREF
A/D
D/A
Transmit Gain
: V
: V
: V
Input select
:CR1-B7, B6 “00” -> MIC1
:CR1-B7, B6 “01” -> MIC2
:CR1-B7, B6 “10” -> MIC3
:CR1-B7, B6 “11” -> no-input
Receive Gain
:V
Output select
:CR1-B5, B4 “00” -> EXTO
:CR1-B5, B4 “01” -> EAR1O
:CR1-B5, B4 “10” -> EAR2O
:CR1-B5, B4 “11” -> no-output
spo
MIC1O
MIC2O
MIC3O
/V
EXTO
/Vi = (R2/R1)
/Vi = (R4/R3)
/Vi = (R6/R5)
= (R8/R7) 2
FEDL7041-04
ML7041
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