adau1373 Analog Devices, Inc., adau1373 Datasheet - Page 292

• Manufacturer Part Number: adau1373
• Description: Low Power Codec With Speaker And Headphone Amplifier Adau1373
• Manufacturer: Analog Devices, Inc.

ADAU1373
APPLICATIONS CIRCUIT
MICROPHONE
INTERNAL
ANALOG
1
2
SELECT EITHER MCLK1 OR MCLK2 BY CONTROL.
REQUIRED FOR EMI SENSITIVE APPLICATIONS WHERE THE OUTPUT SPEAKER TRACE PLUS THE CABLE LENGTH
EXCEED 4 INCHES.
BB OR AP
FM
BT
AP
BB
2kΩ
2kΩ
22nF
22nF
22nF
22nF
1µF
1µF
1µF
BATTERY
R
0.1µF
+
–
+
–
L
CM
MICBIAS1
(1.8V TO 2.8V, 0.2V STEP)
AIN3P
AIN3N
AIN2N
AIN2P
AIN1L
AIN1R
IOVDD3 (1.8V TO 3.3V)
GPIO4
BCLKC
LRCLKC
SDATAOUTC
SDATAINC
IOVDD2 (1.8V TO 3.3V)
GPIO2
BCLKB
LRCLKB
SDATAOUTB
SDATAINB
MCLK2
IOVDD1 (1.8V TO 3.3V)
GPIO1
MCLK1
BCLKA
LRCLKA
SDATAOUTA
SDATAINA
IOVDD5 (1.8V TO 3.3V)
GPIO3
SCL
SDA
SD
10µF
Figure 123. Typical Stereo Class-D Applications Circuit
1
1
HPVDD
2.2µF
Rev. 0 | Page 292 of 296
ADAU1373
AVDD
2.2µF
(1.8V TO 2.8V, 0.2V STEP)
DVDD
2.2µF
DMIC1_2_DATA
DMIC3_4_DATA
DMIC_CLK
MICBIAS2
JACKDET
LOUT1R/
LOUT2R/
LOUT1L/
LOUT2L/
LOUTRN
LN1FBIN
LN2FBIN
LOUTRP
LOUTLP
LOUTLN
IOVDD4
CPVDD
SPKRP
SPKRN
CPVSS
SPKLP
SPKLN
AIN4N
AIN4P
SGND
HPR
EPN
HPL
EPP
CF1
CF2
2.2µF
2.2µF
2.2µF
2.2µF
2.2µF
2.2µF
1µF
1µF
1µF
1µF
2kΩ
BEAD
2.2µF
0.1µF
INTERNAL
DIGITAL
MICROPHONE
2
DOCKING
EXTERNAL
MICROPHONE
RECEIVER
LEFT
SPEAKER
RIGHT
SPEAKER
EARPHONE