BU7858KN_07 Datasheet, PDF (7/25 Pages) Rohm – Mixer & Selector With 16bit D/A Converters

●BLOCK CHART
【BU7858KN】
MCLKO
RXI
RING
MCLKI
BCLK
LRCLK
SDTI
MEL_R
MEL_L
EXTI
PLLC
PLL
DVDD DVSS
AVDD AVSS
Digital
Audio
I/F
ATT1
SW1
+
SW2
16bit
DAC
Digit
-al
ATT
16bit
DAC
LPF
ATT
LPF
ATT
MIX-
SEL1
ATT2
MIX-
SEL2
ATT3
MIX-
SEL3
ATT4
MIX-
SEL4
ATT5
-
+
SPO
SP Amp
-
+
600Ω
16Ω
+
-
16Ω
+
-
EXTO
HP_R
CA_R
HP_L
CA_L
BIAS
CVCOM
Serial Control
NRST SCLK SDATA SCS
CSTEP CSTART
Fig.24 BU7858KN Block Diagram
21
20
19
18
17 16
15
MEL_L 22
MEL_R 23
RING 24
RXI 25
PLLC 26
MCLKO 27
MCLKI 28
1
14 CA_R
13 HP_R
BU7858KN
12 CVCOM
11 CSTART
10 CSTEP
9 NRST
8 NCS
2
3
4
5
6
7
Fig.25 BU7858KN Pin Assignment (TOP VIEW)
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