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Schematic and Bill of Materials
7 Schematic and Bill of Materials
7.1 ADCx120Q1EVM-PDK Schematic and Bill of Materials
This section provides the schematics and bill of materials (BOM) for the ADCx120Q1EVM-PDK.
7.1.1 ADCx120Q1EVM-PDK Schematic
Figure 7-1
shows the schematics for the ADCx120Q1EVM-PDK.
AVDD
J1
1
2
GPI2
3
4
GPO1
3
GND
2
1
J4
IN1P_J
J8
MICBIAS
MICBIAS
TP1
IN1P
R2
DNP
0
C2
J2
C26
1
1uF
16V
TP2
2
16V
3
1uF
C6
IN1M
4
1uF
DNP
C3
16V
R3
GND
GND
DNP
0
16V
1uF
GND
GND
IN1M_J
J5
GPI1
J6
IN2P
MICBIAS
TP3
IN2P
R7
C4
DNP
J3
0
1
16V
2
TP4
1uF
3
IN2M
4
C5
R4
GND
DNP
0
16V
1uF
GPO1
GND
IN2M
J7
+5V
U2
+3.3V
2
6
+1.8V
IN
OUT1
C1
1
5
EN1
OUT2
1µF
16V
3
4
C7
C8
EN2
GND
1µF
1µF
16V
16V
TLV7103318QDSERQ1
GND
GND
GND
GND
5V to 3.3V/1.8V LDO
20
ADCx120Q1EVM-PDK, PCMD3140Q1EVM-PDK Evaluation Module
IOVDD
AVDD
C9
C10
C11
C13
10uF
0.1uF
0.1uF
1uF
VREF
10V
16V
16V
16V
J9
C14
GND
GND
GND
GND
16V
1uF
U1
16
18
AVDD
VREF
GND
9
17
IOVDD
AREG
14
DREG
19
MICBIAS_GPI2
MICBIAS_GPI2
R6
0
8
FSYNC
R8
7
BCLK
1
6
IN1P
IN1P
SDOUT
R5
33
2
IN1M
IN1M
3
11
IN2P_GPI1
IN2P_GPI1
GPIO1
4
IN2M_GPO1
IN2M_GPO1
12
SDA
13
SCL
5
VSS
10
VSS
15
VSS
20
VSS
21
Thermal_Pad(VSS)
PCM3120QRTERQ1
GND
GND
GPIO1 is optional for MCLK or INTz
R11
MCLK
DNP
0
GPIO1
J10
2
1
GPIO1
ED555/2DS
GND
AVDD
AVDD
D3
IOVDD
D1
Green
AVDD
Green
R19
442
R18
442
IOVDD
1
Q2
BSS138W
R1
10.0k
GND
GND
Power LED
Figure 7-1. ADCx120Q1EVM-PDK Schematics
Copyright © 2022 Texas Instruments Incorporated
DC133
Main
AREG
DREG
C15
C16
C17
C18
0.1uF
10uF
0.1uF
10uF
16V
10V
16V
10V
GND
GND
GND
GND
FSYNC
0
BCLK
Designator
SDOUT
GPIO1
J14
SDA
SCL
J15
J16
TLV320ADCx120 CIRCUIT
TP5
IOVDD-MB
TP6
AREG
IOVDD
+3.3V
TP7
DREG
R12
R14
5.1k
10k
R10
1
6
5
Q1B
SI1035X-T1-GE3
AVDD
0
Q1A
+1.8V
INTz
SI1035X-T1-GE3
R9
D2
33
LTST-C150CKT
Red
J11
R15
442
TP8
DNP
AVDD
GND
TP9
GND
GND
GPIO1 Selection
IOVDD-MB
IOVDD-MB
IOVDD-MB
U5
C19
R13
R16
1
8
A0
VCC
2.2k
2.2k
2
7
16V
A1
WP
0.1uF
3
6
A2
SCL
4
5
VSS
SDA
24LC512-I/ST
GND
GND
GND
EEPROM for Firmware ID
J12
AVDD
MK2
5
1
VDD
DATA
C20
IN2M_GPO1
4
CLK
0.1uF
2
3
SELECT
GND
16V
MMICT5818-00-012
J15
GND
GND
GND
On-Board Microphone
J13
MK1
J16
MICBIAS
1
VDD
2
AMIC1P
IN1P_J
C21
IN1M_J
0.1uF
3
AMIC1M
16V
4
GND
GND
ICS-40740
J17
GND
On-Board Microphone
Function
Designator
Function
Capacitor Bypass for direct connection from
MICBIAS Connection to On-Board Mic
J5-J12
DUT input pins to input terminals
IN1P Connection to On-Board Mic
J13
Connection to DUT GPO
Jumper Description
IN1M Connection to On-Board Mic
TP15
TP19
IOVDD-MB
+5V
FSYNC
SCL
TP10
FSYNC
SCL
+5V
From Motherboard
TP16
TP20
AREG
VREF
BCLK
SDA
TP11
BCLK
SDA
VREF
DREG
MICBIAS
TP17
TP12
MICBIAS
SDOUT
SDOUT
From DUT
IOVDD-MB
IOVDD
TP18
TP22
+3.3V
MCLK
GPIO1
MCLK
GPIO1
Power
J14
AVDD
IOVDD
Digital Signal Test Points
TP13
DNP
IOVDD
To DUT
TP14
GND
GND
J18
1
RSTz
3
Power Test Points
5
GPO2
7
9
11
GPI2
13
15
17
SCLK
19
MISO
21
MOSI
23
SS0
25
27
SDOUT
29
DOUT2
31
33
MCLK
35
R17
37
BCLK
2.2k
39
FSYNC
SCL
SDA
GND
GND
Connector to AC-MB
SBAU398 – MARCH 2022
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J19
GPI1
+5V
2
4
IOVDD-MB
6
8
10
12
14
16
18
SCL
20
SDA
22
24
SS1
26
28
DOUT3
30
DOUT4
32
DIN1
34
DIN2
36
38
DIN3
40
DIN4
GND
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