TAS5631B_15 Datasheet, PDF (16/35 Pages) Texas Instruments – 300-W STEREO / 400-W MONO PurePath™ HD DIGITAL-INPUT POWER STAGE

TAS5631B
SLES263C – NOVEMBER 2010 – REVISED SEPTEMBER 2012
SYSTEM DESIGN RECOMMENDATIONS
The following schematics and PCB layouts illustrate best practices in the use of the TAS5631B.
www.ti.com
/RESET
IN_LEFT_P
IN_LEFT_N
IN_RIGHT_P
R_RIGHT_N
2 ^R18 1
100R C18
100pF
2 ^R10 1
100R
GND
2 ^R11 1
100R
2 ^R12 1
100R
2 ^R13 1
100R
/SD
/OTW1
/OTW2
/CLIP
READY
VREG
R19
47k
GND
C23
2
1
4.7uF
C25
10uF
1 ^R30 2
3.3R
1 ^R31 2
C26
100nF
3.3R
C30
100nF
C31
100nF
GND GND
GND
C40
33nF
1
2
GND
GND
2 ^R20 1
22.0k
C20
2
1
4.7nF
GND
C21
2
1
4.7uF
GND
C22 VREG GND
1
2
100nF
VREG
1 _{OC_ADJ}
2
/RESET
3
C_STARTUP
4
INPUT_A
5 _{INPUT_B}
6 _{VI_CM}
7
GND
8
AGND
9 _VREG
10 _{INPUT_C}
11 _{INPUT_D}
12
TEST
13
NC
14 _NC
15 _/SD
16
/OTW1
U10
TAS5631BPHD
C60
2.2uF
GND
GND_A ⁴⁸
47
GND_B
46
GND_B
45
OUT_B
OUT_B ⁴⁴
PVDD_B ⁴³
42
PVDD_B
41
BST_B
BST_C ⁴⁰
PVDD_C ³⁹
PVDD_C ³⁸
37
OUT_C
36
OUT_C
GND_C ³⁵
GND_C ³⁴
33
GND_D
GND
C61
2.2uF
C62
2.2uF
GND
L10
10uH
1
2
C50
C70
680nF
1nF
GND
C51
C71
680nF
1nF
L11
10uH
1
2
C41
33nF
1000uF
C65
1000uF
C66
C42
33nF
1
2
10uH
L12
GND
C52
680nF
GND
C72
1nF
GND
GND
VREG
GND
C33
100nF
1
2
C43
33nF
R32
1
2
3.3R
R33
2
1
3.3R
C32
100nF
C63
2.2uF
C53
C73
680nF
1nF
L13
10uH
1
2
GNDGND
Figure 14. Typical Differential (2N) BTL Application With BD Modulation Filters
C64
1000uF
GND
R70
3.3R
GVDD/VDD (+12V)
PVDD
OUT_LEFT_P
C74
10nF
+
-
C75
GND
10nF
R71
3.3R
OUT_LEFT_M
C68
47uF
63V
C69
2.2uF
R74
3.3R
GND
GND
C78
10nF
GND
GND
OUT_RIGHT_P
R72
3.3R
PVDD
GND
C76
10nF
+
C77
GND
-
10nF
R73
3.3R
C67
1000uF
OUT_RIGHT_R
PVDD
GND
GVDD/VDD (+12V)
16
Submit Documentation Feedback
Product Folder Links: TAS5631B
Copyright © 2010–2012, Texas Instruments Incorporated