ml7041 Oki Semiconductor, ml7041 Datasheet - Page 25

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

OUT
APPLICATION CIRCUIT
Earphone
OKI Semiconductor
C
IN
Mic
Speaker
Phone
Hands Free
R
C
R
C
C
V
C
Kit
DD
R
C
GND
R
MIC3O
EAR1O
EAR2O
MIC3–
MIC1I
MIC2I
MIC2O
MIC3+
C=0.1 F
MIC1O
R
R
SG
SG
C
32
32
20 k
20 k
20 k
VREF
C
R
A/D
8
20 k
C
D/A
R
Slope
Filter
C = 1 µF
8
LPF
10 F
C =
BPF
V
DD
(3.0 V)
Sign bit
Speaker
MCU I/F
(I
2
C)
detect
Voice
TONE/DTMF
3 V
R = 1k to 10 k
Regulator1
Regulator2
Com-
PCM
pand
(150 mA)
(150 mA)
Gen
PCM
Expand
PCMOUT
SYNC
PCMIN
RG1IN(3.6 V)
GP1(150 mA)
BCLK
RG1O(3.0 V)
RG1PDN
RG2IN(3.6 V)
RG2O(3.0 V)
RG2PDN
GP2(150 mA)
GP3(150 mA)
GP4(150 mA)
AGGP
FEDL7041-04
V
DD
(3.6 V)
Key Pad
ML7041
Vibrator
+
C=10µF
+
C=10µF
Buzzer
C = 1 F
LCD
Other
Other
25/28
IC
IC