Schematic And Bill Of Materials; Adcx140Evm-Pdk Schematic And Bill Of Materials; Adcx140Evm-Pdk Schematics - Texas Instruments ADCx140EVM-PDK Series User Manual

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6

Schematic and Bill of Materials

6.1

ADCx140EVM-PDK Schematic and Bill of Materials

This section provides the schematics and bill of materials (BOM) for the ADCx140EVM-PDK.
6.1.1 ADCx140EVM-PDK Schematic
Figure 25 shows the schematics for the ADCx140EVM-PDK.
J5
TP1
IN1P
IN1P
C14
J1
16V TP2
1
2 4.7uF
IN1M
3 MICBIAS
C15
GND
16V
4.7uF
IN1M
C5
1uF
16V
J6
GND
J7
TP3
IN2P
IN2P
C16
J2
1 16V TP4
2 4.7uF
IN2M
3
C17
GND 16V
4.7uF
IN2M
J8
J9
TP5
IN3P
IN3P
C18
J3
1 16V TP6
2 4.7uF IN3M
3
C19
GND 16V
4.7uF
IN3M
J10
J11
TP7
IN4P
IN4P
C20
J4
1 16V TP8
2 4.7uF IN4M
3
C21
GND 16V
4.7uF
IN4M
J12
+5V U2
8 1
IN OUT
5 3
EN NR
C12 C13 2 C22 C23
NC
10uF 0.1uF 6 4 0.01uF 16V
NC GND
16V 16V 7 9 16V 0.1uF
NC PAD
TPS735xxDRB-Q1
GND GND GND GND GND GND
On-Board +3.3V Power Supply
SBAU335 – May 2019
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TLV320ADC5140DC087A
IOVDD AVDD
C4 C3 C1 C2
VREF
10uF 0.1uF 0.1uF 1uF
10V 16V 16V 16V
GND GND GND GND
U1
1 3
AVDD VREF
GND
19 2
IOVDD AREG
24
DREG
5
MICBIAS MICBIAS
23
FSYNC
22
BCLK
6 21
IN1P_GPI1
IN1P_GPI1 SDOUT
7
IN1M_GPO1
IN1M_GPO1
14
SHDNZ
8 20
IN2P_GPI2 IN2P_GPI2 GPIO1
9
IN2M_GPO2 IN2M_GPO2
18
SDA_SSZ
10 17
IN3P_GPI3
IN3P_GPI3 SCL_MOSI
11 16
IN3M_GPO3
IN3M_GPO3 ADDR0_SCLK
15
ADDR1_MISO
12
IN4P_GPI4
IN4P_GPI4
13 4
IN4M_GPO4
IN4M_GPO4 AVSS
25
VSS
TLV320A DC5140IRTWR
GND GND
SPI I²C
R4 R8
0
SS0 SDA
R5 R9
0
MOSI SCL
R6
SCLK
R7 IOVDD-MB IOVDD-MB
MISO
R10 R12
Populate resistors according to
the desired control interface
R11 R13
2.2k 2.2k
GND GND
From DUT
I²C Address
SDA/SSZ
SCL/MOSI
ADD0/SCLK
ADD1/MISO
Control Interface Selection
+3.3V
From Motherboard
+3.3V
RSTz
D1
Power
Green
R14
C24 0
10uF
16V
R15
442
GND
GND
External RST Option
Power LED
Figure 25. ADCx140EVM-PDK Schematics
Copyright © 2019, Texas Instruments Incorporated
Main
AREG DREG
C6 C7 C8 C9 C10
16V 0.1uF 10uF 0.1uF 10uF
1uF 16V 10V 16V 10V
GND GND GND GND
Designator
FSYNC
BCLK
DOUT
SHDNz
GPIO1
SDA/SSZ
SCL/MOSI
ADD0/SCLK
ADD1/MISO
TP17
TLV320AICx140 CIRCUIT
IOVDD-MB
TP13
AREG
GPIO1 is optional for MCLK or INTz
R2
GPIO1 INTz
TP14
DREG
R3
MCLK
+3.3V
GPIO1
J13
TP11
AVDD
R1
0
GND
GPIO1 Selection
IOVDD-MB IOVDD-MB IOVDD-MB
U3 C25
R16 1 8
A0 VCC
2.2k
16V
2 7
A1 WP
0.1uF
3 6
A2 SCL
4 5
VSS SDA
SHDNz
24LC512-I/ST
To DUT
GND
GND GND
EEPROM for Firmw are ID
Schematic and Bill of Materials
J14 J15
MICBIAS
MK1
1
VDD
3
AMIC1P
OUT+
C11 2
OUT- AMIC1M
0.1uF 4
GND
16V
GND GND J16
Function Designator
Capacitor Bypass for direct connection from
J14 MICBIAS Connection to On-Board Mic J5-J12
DUT input pins to input terminals
J15 IN1P Connection to On-Board Mic J13 Connection to DUT GPO
J16 IN1M Connection to On-Board Mic
TP19
IOVDD-MB +5V
FSYNC
TP18
FSYNC SCL
+5V
From Motherboard
TP20
BCLK
AREG VREF
BCLK SDA
TP15
VREF
TP21
DREG MICBIAS
DOUT
TP16
DOUT SHDNz
MICBIAS
From DUT
TP22
MCLK
AVDD IOVDD-MB IOVDD
MCLK INTz
JMP1 JMP2
AVDD IOVDD
Digital Signal Test Points
TP12
IOVDD
To DUT
TP9 TP10
GND GND
GND GND J17
1
RSTz
3
GPO1
5
Power Test Points
GPO2
7
9
INTz
11
GPI2
13
15
17
SCLK
19
MISO
21
MOSI
23
SS0
25
27
DOUT
29
DOUT2
31
33
MCLK
35
R17 R18 37
BCLK
2.2k 2.2k 39
FSYNC
SCL
SDA
GND
GND
ADCx140EVM-PDK
IN1P
IN1M
On-Board Microphone
Function
Jumper Description
TP23 TP27
SCL MISO
MISO
TP24 TP28
SDA MOSI
MOSI
TP25 TP29
SHDNz SCLK
SCLK
TP26 TP30
INTz SS0
SS0
+5V
2
IOVDD-MB
4
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
Connector to A C-MB
21