D
1
2
3 R64 R65 R66 R67 DATA-OUT LRCK-OUT BCK-OUT SCK-OUT 0R 0R 0R 0R USB-SCLK USB-LRCK USB-BCK USB-DATA USB-SCLK USB-LRCK USB-BCK USB-DATA
4
U10 DGND USB5VV A USB5VV 5 6 7 8 5 6 7 8 93C46 4 3 2 1 4 3 2 1
A DAC3.3V 5V
GND
ADC_B0 SVCC
A
12V GND
-12V
USB decoding USB decoding.SchDoc MCLK_BT LRCK_BT BCLK_BT DOUT_BT DAC-DATA DAC-SCLK DAC-LRCK DAC-MCLK
DAC DAC.SchDoc DAC-DATA DAC-SCLK DAC-LRCK DAC-MCLK 5V
B
B
GND
GND
Conversion circuit.SchDoc Conversion circuit.
C
GND 12V -12V
USB5V USB-SCLK USB-LRCK USB-BCK USB-DATA
USB5V USB-SCLK USB-LRCK USB-BCK USB-DATA
C
D
Title Size A4 Date: File: 1 2 3 2018/9/17 C:\Users\..\ATS2825-DAC.SchDoc Sheet of Drawn By: 4 Number Revision
2 1
2 1
2 1
KK1
KK2
KK3
KK4
KK5
2 1
C
1
KK6
C
2
2
2
2
2
NEXT
PREV
MODE
GND
EQ
VOL+
VOL-
2
GND
D Title Size A4 Date: File: 1 2 3 4 2018/9/17 C:\Users\..\ATS2825-KEY.SchDoc 5 Sheet of Drawn By: 6 Number Revision
B
SK CS
X1 1 XO 8 NC VDD 14 7 XO GND GND LM1117-3.3V GND REGV
MUTE REC 6 7 8 9 10 11
MUTER PWRSEL XI XO MODE GPIO2 DVSS1 GPIO3 GPIO4 SDIN LEDO
OUT GND 12MHz
C
LED3
MUTEP
LED0 12
R57 330
13
14
15
Hale Waihona Puke 161718
19
20
21
22
23
RED LED4 R58 330 RED LM1117 2 Vin Vout GND 1 IC3 LM1117-3.3V C52 4.7uF LM1117-3.3V C49 C669 10uF 104 Title GND GND Size A4 Date: File: 1 2 3 2018/9/17 C:\Users\..\USB decoding.SchDoc Sheet of Drawn By: 4 Number Revision
LED-SR LED2
LED-SR
B RTCVDD VDD_BAT J1 2 1 XH3.96 ADC_B0 SVCC
B
C1 100nF
C2 100nF
BT-3.3V C MFB IC4 5V 3 C701 4.7uF LM1117 2 C700 4.7uF R10 10k BT-DATA BT-BCK BT-LRCK BT-MCLK O1 O2 O3 O4 2.2R DOUT_BT 2.2RBCLK_BT 2.2RLRCK_BT 2.2RMCLK_BT DOUT_BT BCLK_BT LRCK_BT MCLK_BT C
D
1
2
3
4
Bluetooth_Module
BT-3.3V BT-3.3V A LED1 R8 1K R0603 R9 1K R0603 BLUETOOTH_LED RED_LED 1 RED_LED 2 3 4 BLUETOOTH_LED 5 BLUETOOTH_LED 6 7 8 9 10 AGND 11 12 5V 13 5V 14 15 16 SVCC 17 SVCC 18 AGND RTCVDD 19 VDD_BAT 20 VDD_BAT MFB 21 22 23 24 25 AGND RED_LED B11 RF A8 GND A9 GND A10 GND A7 NFC_WK_VDD A0 VCC_OUT A1 ADC_B0 VROS/ROUTA11 VRO/LOUTA15 AGND A7 SPKR/ROUT+ GND SPKL/LOUT+ TXD/SPDIF_TX 5V A2/RXD AUX_0R B7/I2S_DOUT AUX_0L B8/I2S_BCLK MIC_IN A6/I2S_LRCK SVCC/MIC_BIAS B9/I2S_MCLK GND A21 RTC_VDD A5 VDD_BAT USB_DM MFB USB_DP GND SD_CMD A13 SD_CLK A12 SD_DATA A14 GND 50 RF 49 R12 48 2.2R 47 AGND R0603 46 45 LDO3.3V 44 ADC_B0 ADC_B0 43 C4 42 100nF 41 40 39 38 AGND 37 BT-DATA 36 BT-BCK 35 BT-LRCK 34 BT-MCLK 33 32 31 USB_DM 30 USB_DP 29 28 27 26 AGND AGND AGND AGND A
REGV
R56 0R-NC
MSEL R60
0R-NC
SPDIFO DW DR SK CS
DW DR
2 3 4 5
AVDD2 AVSS2 LOR U11 CM108 LOBS LOL AVDD1 VSEL MICIN ADMCLK VREF ADSEL AVSS1 LEDR TEST VBIAS ADLRCK ADSCLK
D
1
2
3
4
5
6
A
A
B
B
ADC Key
SVCC SVCC R1 30K 1% R2 470R 1% NEXT R3 3K6 1% PREV R4 7K5 1% MODE R5 12K 1% EQ R6 20K 1% VOL+ R7 30K 1% VOLADC_B0
7 bit ADC
1
1
1
1
1
2 1
2 1
D
1
2
3
4
A
A
COM1 1 COM1 1 AC-1
112
DC-4 D1 D2 DC-5 D3
1N4007 1N4007 C8 470UF R19 10K
12V
DC-6 COM2 1 COM1 1 AC00 DC-7 120V/TEF
B
D4 1N4007 D5 1N4007 D6 1N4007 D7 1N4007 D8 1N4007 1N4007
D
Title Size A4 Date: File: 1 2 3 2018/9/17 C:\Users\..\Conversion circuit.SchDoc Sheet of Drawn By: 4 Number Revision
D
1
2
3
4
R33AOUTB+ R27 A U4 1 2 DAC-DATA DAC-SCLK DAC-LRCK DAC-MCLK DAC-DATA DAC-SCLK DAC-LRCK DAC-MCLK VDD5V B 1 3 4 5 6 7 8 C15 47UF C17 104 9 10 11 12 R21 2.7M 1 Inductor L1 10mH C16 47UF 1 RST 13 14 C18 47UF DSD_B DSB_SCLK DATA SCLK LRCK MCLK VDD5V DGND M3(AD1/CDIN) M2(SCL/CCLK) M1(SDA/CDOUT) M0(AD0/CS) RST VLC CS4398 C19 104 DSD_A VLS VQ AMUTEC AOUTAAOUTB+ VA AGND AOUTA+ AOUTBBMUTEC VREF REF_GND FILT+ 28 27 26 25 24 23 22 21 20 19 1 18 17 16 15 C24 104 1 C27 47UF R-ADJ -12V C23 104 C22 104 1 DAC3.3V VQ 1 47UF AOUTAUU AOUTB+ 5V C25 47UF AOUTA+ AOUTB5V C26 47UF R29 4.7K R35 4.7K R36 560 C30 560P +IN R28 4.7K R31 560 560P R37 4.7K
A
USB5V
B
KT3 DAC-LRCK DAC-MCLK DAC-LRCK DAC-MCLK 6
7 8 4
LRCK_BT USB-LRCK MCLK_BT USB-BCK
LRCK_BT USB-LRCK MCLK_BT USB-BCK
3 5
USB5V C
USB5V
1
2 Relay-DPDT1 D10 1N4007 GND C
C3 100nF
Vin Vout GND 1