BU7843AGU_10 ROHM [Rohm], BU7843AGU_10 Datasheet - Page 3

• Manufacturer Part Number: BU7843AGU_10
• Description: Silicon Monolithic Integrated Circuit
• Manufacturer: ROHM [Rohm]

○External measure and View
○Block diagram
43AGU
VBGA063T050 （Unit: mm）
BU78
DACR_IN
AUX1_IN
AUX2_IN
DACL_IN
MIC1_IN
MIC2_IN
MIC3_IN
LOT No
RX_IN
KBR0
KBR1
SDA
N.C.
SCL
N.C.
N.C.
10
11
12
13
14
15
16
1
3
C3
4
C2
5
D2
6
C1
7
D3
8
D1
9
G1
G2
A1
E2
E3
E1
E4
F1
F2
DVDD
DVDD
-11~ +3dB/1dB
-11~ +3dB/1dB
-11~ +3dB/1dB
-11~ +3dB/1dB
-11~ +3dB/1dB
30k
30k
MIC AMP
DACR_V
-
+
AUX1_V
AUX2_V
DACL_V
RX_V
6
SW
SW
SW
DVDD
30k
MIC_BIAS
DVDD
-20~ +30dB/2dB
30k
MIC_V
DVDD
+
+
+
+
+
30k
MIX1
MIX2
MIX3
MIX5
MIX4
DVDD
AVDD / AVSS
30k
REV. B
DVDD / DVSS
VREF
and they are connected analog portion.
AVDD/PVDD is connected at internal,
○Pin layout diagram
NO.
Pin
A1
C3
C2
D2
C1
D3
D1
E2
E3
E1
E4
F1
F2
G1
G2
H1
H2
F3
G3
G4
H3
N.C.
MIC1_IN
MIC2_IN
MIC3_IN
AUX1_IN
DACR_IN
AUX2_IN
DACL_IN
RX_IN
SDA
SDL
KBR0
KBR1
N.C.
N.C.
N.C.
N.C.
KBR2
KBR3
KBR4
KBR5
Pin name
-26~ +4dB/2dB
-26~ +4dB/2dB
-26~ +4dB/2dB
RCV_V
HPL_V
HPR_V
NO.
Pin
F4
H4
G5
F5
H5
E5
H6
G6
H7
G7
H8
G8
F6
F7
F8
E6
E8
D7
D6
D8
D5
6
6
BU7843AGU
KB0
DVDD
DVSS
KB1
KB2
KB3
KB4
KB5
N.C.
N.C.
N.C.
N.C.
IRQ
RSTB
HPR_OUT
HPL_OUT
CHPL
PVSS
PVDD
RCVN_OUT
CSTEP
Pin name
32OBTL
16OSingle
16OSingle
B7
B8
C7
C8
D5
D8
D6
D7
E8
E6
F8
E7
F7
F6
G8
H8
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
N.C.
N.C.
CPOP
RCVP_OUT
CSTEP
RCVN_OUT
PVDD
PVSS
CHPL
HPL_OUT
HPR_OUT
CHPR
RSTB
IRQ
N.C.
N.C.
NO.
Pin
C8
C7
B8
B7
A8
A7
C6
B6
B5
A6
C5
A5
B4
C4
A4
D4
A3
B3
A2
B3
RCVP_OUT
CPOP
N.C.
N.C.
N.C.
N.C.
SPL_OUT
SPR_OUT
HF_OUT
BT_OUT
TX_OUT
COMOUT
COMIN
AVDD
AVSS
CBIAS
MIC1_OUT
MICB
N.C.
N.C.
Pin name
3/4