Datasheet

MAX9880A
Low-Power, High-Performance
Dual I
2
S Stereo Audio Codec
66 ______________________________________________________________________________________
MIX
VCM PREG
REF
VOICE/AUDIO
FILTER
DIGITAL AUDIO PATH 1
(8kHz TO 48kHz)
PLL1, NI1, REGS 08-OA
LINEAR
REG
XTAL
OSC
XTEN,
XTOSC
CLOCK
GEN
I
2
C/SPI
AUDIO SOURCE SELECTION SEL1, SEL2
ADCL
SPDML
MODEADLEN
AVFLT
VOICE/AUDIO
FILTER
FM
RECEIVER
MODE
AVFLTADREN
VOICE/AUDIO
FILTER
MODE, DVFLT
AUDIO
FILTER
DCB
MIXSPDML
SPDMDATA
VOICE/AUDIO
FILTER
MODE, DVFLT
MXINL
PGAML:
+20dB TO 0dB
PALEN:
0/20/30dB
19 (D7) 18 (C7)
LOUTP
HPMODE
LOUTN
MIX/MUX
MIX
ADCR
DGND
47
(A1)
PGND
27
(E6, F6)
AGND
15
(A8)
MIXINR
PGAMR:
+20dB TO 0dB
PAREN:
0/20/30dB
LIGL:
+30dB TO 0dB
AVL:
+4dB TO -11dB
AVLG:
0/6/12/18dB
AVRG:
0/6/12/18dB
AVR:
+4dB TO -11dB
1µF
1µF
MICLP/
DIGMICDATA
1µF
13 (C6)
2.2µF
10 (B6)
MICBIAS
MICBIAS
REF
REG
17 (B8)
MICLN/
DIGMICCLK
MICRP/
SPDMDATA
SPDMDATA
LNREN
LINL
MICRN/
SPDMCLK
20 (C8) 23 (E8)
LNLEN
LIGR:
+30dB TO 0dB
LINR
24 (F8) 21 (D8)
MIX/MUX
VDACG:
0/6/12/18dB
DSTS
39
(E1)
40
(E2)
DVST:
-9dB TO -69dB
_DACA:
0dB TO -15dB
VDACG:
0/6/12/18dB
_DACA:
0dB TO -15dB
VOLL:
+6dB TO -84dB
LOGL:
0dB TO -30dB
VOLR:
+6dB TO -84dB
MIX/MUX
_DACA:
0dB TO -15dB
VOLL:
+6dB TO -84dB
_DACA:
0dB TO -15dB
VOLR:
+6dB TO -84dB
AUDIO
FILTER
DCB
HPMODE
32
(E4)
31
(F4)
X1 X2
3
(A2)
4
(A3)
ROUTP ROUTN
HEADPHONE
SENSE
AUXEN
29
(E5)
JACKSNS
/
AUX
22
(D5)
30
(F5)
LOLEN
LOUTL
LOGR:
0dB TO -30dB
26
(E7)
LOREN
LOUTR
25
(F7)
MIX
SPDMR
DAC DAC
DALEN
DAREN
MIXSPDMR
MIX
1b
I/F
MIXDAL
MIX
MIXDAR
MIX
41
(D1)
MCLK
BCLKS1
LRCLKS1
SDINS1
SDOUTS1
2
(B3)
SCL/SCLK
7
(A5)
MODE
8
(A4)
36
(F2)
DVDDS1
1.8V
37
(F1)
38
(D3)
DIGITAL AUDIO PATH 2
(8kHz TO 96kHz)
PLL2, NI2, REGS 0D-0F
44
(C2)
45
(C3)
BCLKS2
LRCLKS2
SDINS2
SDOUTS2
42
(D2)
43
(C1)
IRQ
6
(B5)
DOUT
1
(B2)
SDA/DIN
5
(B4)
CS
SPDMCLK
PSCLK
FREQ1
1µF
16
(B7)
MICVDD
1.8V
DVDD
1µF
46
(B1)
1.8V
AVDD
1µF
34
(E3, F3)
1.8V
1µF
9
(A6)
1.8V
PVDD
PREG
1µF
12
(A7)
SPDMCLK
MAX9880A
Functional Diagram/Typical Operating Circuit