BU26156RFS Datasheet, PDF (3/95 Pages) Rohm – Monoraul MIC Input with ALC

BU26156RFS
Datasheet
24
CSB
/SCL
30 LRCLK
31 BCLK
29 SDIN
28 SDOUT
32 MCLKI
26 IRQB
38 LIN1L
39 LIN1R
40 LIN2L
41 LIN2R
42 LIN3L
43 LIN3R
35 MINP
34 MINM
15 BEEPIN
16 MICBIASREF
1 MICBIAS
37 VMID
20 REGOUT
8 SPLP
7 SPLM
11 SPRP
12 SPRM
14 SPMUTE
1 HPOUTL
2 HPOUTR
32 LOUTCAP
33 PLLC
27 IOVDD
6 SPLVDD
9 SPLGND
13 SPRVDD
10 SPRGND
18 HVDD1
19, 36 AGND
21 DGND
SAD Pin=IOVDD : ”0011011”
3 wire interface : chip select input pin
It is indicated as CSB on the description of
I
IOVDD
AC characteristics.
2 wire interface : Serial clock input pin ^(Note1)
It is indicated as SCL on the description of
AC characteristics.
IO IOVDD SAI LR clock input/output pin
IO IOVDD SAI bit clock input/output pin
I IOVDD SAI serial data input pin
O IOVDD SAI serial data output pin
I IOVDD Master Clock pin
O IOVDD Interrupt output Pin
I REGOUT Line analog input Lch pin 1
I REGOUT Line analog input Rch pin 1
I REGOUT Line analog input Lch pin 2
I REGOUT Line analog input Rch pin 2
I REGOUT Line analog input Lch pin 3
I REGOUT Line analog input Rch pin 3
I REGOUT Analog microphone + input
I REGOUT Analog microphone - input
Line input pin.
I
REGOUT
The input signal for this pin can output
Headphone output pins or Speaker output
pins.
External filter pin for microphone bias.
O HVDD1 A capacitor is connected between
MICBIASREF and AGND.
Microphone bias voltage output pin
O HVDD1 A capacitor is connected between
MICBIASCAP and AGND.
Analog reference voltage pin
O REGOUT A capacitor is connected between VMID
and AGND.
Regulator output pin
A capacitor is connected between
O HVDD1 REGOUT and HGND1.
Please put in the chip close as much as
possible.
O SPLVDD speaker Lch output + pin
O SPLVDD speaker Lch output - pin
O SPRVDD speaker Rch output + pin
O SPRVDD speaker Rch output - pin
I
IOVDD
Test control pin “L” level : Release MUTE
“H” level : MUTE
O HPVDD Headphone Lch output pin
O HPVDD Headphone Rch output pin
O HVDD1 Headphone Output capacitance pin
PLL filter pin
O REGOUT The width of the clock frequency to input
can be expanded.
Interface Power Supply pin
P
-
A capacitor is connected between IOVDD
and HGND1.
Speaker Lch Power Supply pin
P
-
It is used on the same voltage as SPRVDD.
A capacitor is connected between SPLVDD
and SPLGND.
P
-
Speaker Lch ground pin
Speaker Rch Power Supply pin
P
-
It is used on the same voltage as SPLVDD.
A capacitor is connected between SPRVDD
and SPRGND.
P
-
Speaker Rch ground pin
High voltage power supply 1 pin
P
-
A capacitor is connected between HVDD1
and HGND1.
P
-
Analog ground pin
P
Digital ground pin
(input)
(input)
(input)
(input)
DGND
(input)
IOVDD
(input)
(input)
(input)
(input)
(input)
(input)
(input)
(input)
(input)
ANGD
AGND
AGND
AGND
SPLGND
SPLGND
SPRGND
SPRGND
DGND
HPGND
HPGND
AGND
AGND
-
-
-
-
-
-
-
-
DGND
DGND
DGND
Open
DGND
Open
Open,
or coupling
capacitor
connected to
AGND near by
BU26156
Open
Open
-
-
Open
Open
Open
Open
Open
Open
Open
Open
Open
-
-
-
-
-
-
-
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TSZ22111・15・001
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TSZ02201-0V1V0E502570-1-2
Jul.1.2014 Rev.001