SDA
SCL
SDIN
SCLK
MCLK
FSYNC
3.3V
4.99k
R2
DNP
4.99k
R4
DNP
GND
ADDRESS SELECT
ADDR1 ADDR0 I2C ADDR
H
L
L
H
L
H
L
H
0xD4/0xD5
0xD6/0xD7
0xD8/0xD9
0xDA/0xDB
3.3V
4.99k
R7
4.99k
R9
GND
GND
4.99k
R3
4.99k
R5
1
2
H1
3.3V
I2S
I2C
MCLK
SCLK
FSYNC
SCL
SDA
STANDBY
MUTE
FAULT
WARN
I2C_ADDR0
I2C_ADDR1
AVSS
VBAT
GND
GND
GND
GND
GND
GND
3.3V
1.00k
R8
1.00k
R6
PVDD
J13
VBAT
2
1
3
4
5
S1
STANDBY
2
1
3
4
5
S2
MUTE
PVDD
GND
GND
PVDD
1uF
50V
C4
GND
3.3V
GND
GND
PVDD
GND
GND
I2C_ADDR0
I2C_ADDR1
STANDBY
MUTE
Yellow
D1
WARN
Red
D2
FAULT
AREF
OUT2P
OUT2M
OUT1P
OUT1M
OUT2P
OUT2M
OUT1M
OUT1P
OUT1-
OUT1+
OUT2+
OUT2-
I2S DATA
AVSS
GND
OUTPUT
GND
GND
0.01uF
50V
C8
GND
GND
0.01uF
50V
C14
GND
GND
0.01uF
50V
C100
GND
GND
0.01uF
50V
C102
GND
1
2
3
J14
I2C
GND
1uF
50V
C94
1
1µF
25V
C1
1µF
C96
1µF
C12
1µF
C10
2.2µF
C15
0.1uF
50V
C93
0.1uF
50V
C95
0.1uF
50V
C5
0.1uF
50V
C11
1uF
50V
C82
2.2µF
16V
C6
2.2µF
16V
C9
2.2µF
16V
C97
2.2µF
16V
C98
1µF
50V
C7
1µF
50V
C13
1µF
50V
C99
1µF
50V
C101
16V
0.1uF
C17
16V
0.1uF
C18
3.3uH
L1
3.3uH
L2
3.3uH
L7
3.3uH
L8
AVDD
8
GVDD
9
PVDD
2
PVDD
29
PVDD
30
PVDD
42
PVDD
43
VDD
19
I2C_ADDR0
22
I2C_ADDR1
23
BST_1M
31
BST_1P
35
BST_2M
37
BST_2P
41
OUT_1M
32
OUT_1P
34
OUT_2M
38
OUT_2P
40
FAULT
26
MUTE
25
STANDBY
24
WARN
27
AREF
4
FSYNC
14
MCLK
12
SCL
20
SCLK
13
SDA
21
SDIN1
15
TEST
16
VBAT
3
VCOM
6
VREG
5
NC
10
NC
44
NC
45
NC
47
NC
48
NC
49
NC
50
NC
51
NC
52
NC
53
NC
54
NC
55
NC
56
AVSS
7
GND
1
GND
11
GND
17
GND
18
GND
28
GND
33
GND
36
GND
39
GND
46
TAS6422EQDKQRQ1
U1
SDIN
1
2
3
4
J1
Figure 4-5. Schematic (Page 3)
Board Layouts, Bill of Materials, and Schematic
24
TAS6422E-Q1 EVM
SLOU541A – OCTOBER 2020 – REVISED FEBRUARY 2021
Copyright © 2021 Texas Instruments Incorporated