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BU26154MUV_15 Datasheet, PDF (2/90 Pages) Rohm – Monaural Audio CODEC with Touch Panel Interface
BU26154MUV
Pin Configuration(s)
Top view
Datasheet
30 29 28 27 26 25 24 23 22 21
YP 31
20 RESETB
XP 32
19 PLLC
XN 33
YN 34
TGND 35
TVDD 36
18 REGOUT
17 HVDD
16 NC
15 HGND1
HPCOM 37
14 HGND2
CPVDD 38
13 MIN2
CPP 39
12 MIN1
HPR 40
11 MBIASCAP
1 2 3 4 5 6 7 8 9 10
Figure 2. Pin Configuration(s)
Pin Description(s)
No
Name
I/O Power Function
Reset No use
(Note1) (Note3)
17
HVDD
P
-
High voltage power supply pin
A capacitor is connected between HVDD and HGND1.
-
-
6
SPVDD
P
-
Speaker power supply pin
A capacitor is connected between SPVDD and SPGND.
-
-
38
CPVDD
P
-
Voltage power supply pin for charge pump
A capacitor is connected between CPVDD and CPGND.
-
-
16
N.C
-
-
A no connect pin.
-
-
36
TVDD
P
-
Voltage power supply for the touch panel
Please connect a capacitor between TVDD and TGND.
-
-
High voltage ground 1
15
HGND1
P
-
It is used on the same voltage as HGND2, SPGND,
-
-
CPGND, and TGND.
High voltage ground 2
14
HGND2
P
-
It is used on the same voltage as HGND1, SPGND,
-
-
CPGND, and TGND.
Ground pin for Speaker
9
SPGND
P
-
It is used on the same voltage as HGND1, HGND2,
-
-
CPGND, and TGND.
Ground pin for charge pump
3
CPGND
P
-
It is used on the same voltage as HGND1, HGND2,
-
-
SPGND, and TGND.
Ground pin for touch panel interface
35
TGND
P
-
It is used on the same voltage as HGND1, HGND2,
-
-
CPGND, and SPGND.
Regulator output
18
REGOUT O HVDD A capacitor is connected between REGOUT and HGND1. HGND2
-
Please connect as close as possible to the chip.
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TSZ02201-0V2V0E500110-1-2
26.Oct.2015 Rev.002