max9860 Maxim Integrated Products, Inc., max9860 Datasheet - Page 37
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max9860
Manufacturer Part Number
max9860
Description
16-bit Mono Audio Voice Codec
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.MAX9860.pdf
(39 pages)
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1.5kΩ
10kΩ
DVDDIO
1.5kΩ
DVDDIO
SDOUT
P
LRCLK
MCLK
BCLK
SDIN
SDA
INDICATES USER PROGRAMMABLE I
SCL
IRQ
15
16
17
18
19
14
10
9
______________________________________________________________________________________
DIGITAL AUDIO
INTERFACE
CONTROL LOGIC
TIMING AND
I
P
2
C SERIAL
PORT
P
2
MONO
C CONTROL BITS.
P
STATUS
P
P
USER-
PROGRAMMABLE
MODE CONTROL
+12dB, +24dB
P
0, +6dB,
DVST
DVG
-60dB TO 0dB
(2dB STEPS)
16-Bit Mono Audio Voice Codec
LOW-LEVEL
QUIETING
CONTROL
1.7V TO 3.6V
AUDIO
DVDDIO
-12dB TO +3dB
11
Functional Diagram/Typical Operating Circuit
Σ
P
ADCLL/
ADCRL
P
-90dB TO 0
DVA
P
1μF
INTERPOLATION
P
FILTER
MAX9860
P
DECIMATION
FILTER
P
1.7V TO 1.9V
12
DGND
AUTOMATIC
13
P
CONTROL
DVDD
GAIN
P
DIGITAL ANALOG
RIGHT
LEFT
ADC
ADC
DAC
AGND
5
1μF
1.7V TO 1.9V
MICGND
6
AVDD
24
0 TO +20dB
(1dB STEPS)
0 TO +20dB
(1dB STEPS)
1μF
PGAM
PGAM
0.1μF
INTERNAL REGULATORS
2
REG
1μF
P
P
10μF
3
PREG
20dB,
30dB
PAM
20dB,
PAM
30dB
2.2μF
0,
0,
P
P
REF
4
MICBIAS
MICBIAS
23
22
21
20
7
8
1
MICRP
MICRN
OUTP
OUTN
MICLP
MICLN
1μF
1μF
1μF
1μF
2.2μF
37