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Электронный компонент: R2S15900SP

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Rev.1.3 May 30, 2005 page 1 of 8
R2S15900SP
2ch Electronic Volume with Surround
REJ03F0126-0130
Rev.1.3
May 30, 2005
Description
The R2S15900SP is an optimum audio signal processor IC for TV. It has a 5ch input selector, surround/pseudo stereo,
tone control(2band), output gain control and 2ch master volume. It can control all of these functions with I
2
C bus.
Features
Function Features
Volume
0 to 84dB,
/ 1dB step
Each channel is independence control.
Input selector
5 input selector + MUTE
Rec output
2 Rec output
Tone control
Bass: 15dB to +15dB/ 1dB step
Treble: 15dB to +15dB/ 1dB step
Surround/ Pseudo stereo
Surround <Low/ High>
Pseudo Stereo
Mode selector
Bypass/ Tone / Tone & Pseudo Stereo or Surround
Output gain control
0dB/ +4.5dB
MCU interface
I
2
C-BUS control.
Recommended Operating Condition
Supply voltage: V
CC
= 9.0V(typ)
Application
TV, Mini Stereo, etc.
System Configuration
ROUT
LOUT
-BUS I/F
IN R2
IN R3
REC R1
(IN R4)
SDA
Pseudo Stereo
and
Surround
Tone Control
(Bass / Treble)
Mode Selector
Mode Selector
SCL
Volume L
Volume R
IN R1
REC R2
(IN R5)
IN L2
IN L1
REC L1
(IN L4)
IN L3
REC L2
(IN L5)
Output Gain
Control
Output Gain
Control
VCC=9V
I C
2
R2S15900SP
Rev.1.3 May 30, 2005 page 2 of 8
Block Diagram and Pin Configuration
REFIN
INL1
INL2
INL3
TREL
BASSL1
BASSL2
VCC
INR1
INR2
INR3
TRER
BASSR1
BASSR2
ROUT
LOUT
GND
SCL
SDA
RECL1
(INL4)
RECL2
(INL5)
PSEUDO
28
27
26
25
24
23
22
21
20
19
1
2
3
4
5
6
7
8
9
10
18
17
11
12
RECR1
(INR4)
RECR2
(INR5)
I C-BUS I/F
Mode Selector
Mode Selector
Input
Selector
Pseudo
Stereo
and
Surround
REF
Rch Volume
Lch Volume
0
-84dB,
Input
Selector
Output
Gain
Control
Output
Gain
Control
2dB
Rext
Cext
13
14
NC
NC
16
15
De - pop
+
-
-
to
-
2dB
-
0
-84dB,
to
-
+
-
+
-
T
one Control
Bass/ T
reble
T
one Control
Bass/ T
reble
2
(Top view)
R2S15900SP
Rev.1.3 May 30, 2005 page 3 of 8
Application Example
INL1
LOUT
ROUT
MCU
SCL
SDA
INL2
INL3
RECL1
(INL4)
RECL2
(INL5)
8200 pF
8.2k
0.015F
4.7F
INR1
INR2
INR3
RECR1
(INR4)
RECR2
(INR5)
VCC=9V
8200 pF
0.068F
0.068F
4.7F
NC
NC
28
27
26
25
24
23
22
21
20
19
1
2
3
4
5
6
7
8
9
10
18
17
11
12
I C-BUS I/F
Mode Selector
Mode Selector
Input
Selector
Pseudo
Stereo
and
Surround
REF
Rch Volume
Lch Volume
Input
Selector
Output
Gain
Control
Output
Gain
Control
13
14
16
15
De -pop
2dB
-
2dB
-
0
-84dB,
to
-
0
-84dB,
to
-
1F
+
1F
+
1F
+
1F
+
4.7F
+
4.7F
+
F
0.068
F
0.068
47k
+
+
-
T
o
ne Control
Bass/ T
reble
+
-
+
-
10k
F
0.22
47k
+
8.2k
1F
+
1F
+
1F
+
1F
+
1F
+
T
o
ne Control
Bass/ T
reble
2
330
330
*
*
Note: *If the load C value is over 180pF, please attach 330
for series R (Load C value is under 180pF,
series R is no need. ) Load C value is usually input capacitor of speaker.
R2S15900SP
Rev.1.3 May 30, 2005 page 4 of 8
Absolute Maximum Ratings
Parameter
Symbol
Ratings
Unit
Condition
Power supply
V
CC
10
V
Power dissipation
Pd
W
Ta
25C
Thermal derating
K
mW/C
Ta>25C
(Circuit board installation)
Operating temperature
Topr
20 to +75
C
Storage temperature
Tstg
40 to +125
C
R2S15900SP
Rev.1.3 May 30, 2005 page 5 of 8
Electrical Characteristics
(V
CC
=9V, Ta=25C, Vi=100mVrms, f=1kHz, Tone control=0dB, Rg=0
, RL=47k, unless otherwise noted)
General Characteristics
Limits
Parameter
Symbol
Min Typ Max
Unit
Condition
Operational power supply
V
CC
5.0
9.0
9.7
V
Supply current
I
CC
--
15
25
mA
No
signal
Reference voltage
Vref
4.0
4.5
5.0
V
No signal
Input impedance
RIN
17
25
33
k
Maximum input voltage
VIM
2.8
3.0
--
Vrms
VOL=20dB, THD=3%
Maximum output voltage
VOM
--
2.5
--
Vrms
VOL=0dB, THD=1%
Rec output gain
Gvrec
--
2.0
--
dB
Rec out
Output
gain
Gvout -- 4.5 -- dB
Output
gain=4.5dB
Volume maximum
VOLmax
2
0
+2
dB
VOL=0dB
Volume minimum
VOLmin
--
85
70
dB
VOL=Mute, Vi=1Vrms, IHF-A
Channel balance
CBAL
1.5
0
1.5
dB
VOL=0dB
Total harmonic distortion
THD
--
--
0.5
%
400Hz to 30kHz BPF
Vo=0.5Vrms
Input selector cross talk
CT
--
--
70
dB
Vi=1Vrms, IHF-A
Channel separation
CS
--
--
70
dB
Vi=1Vrms, IHF-A,
Output noise 1
Vno1
--
90
(31.6)
85
(56.2)
dBV
(Vrms)
VOL=0dB,Output gain=0dB
Tone=0dB,Surround ON, IHF-A
Output noise 2
Vno2
--
103
(7)
97
(14)
dBV
(Vrms)
VOL=Mute, Output gain=0dB
Bypass, IHF-A
Tone Control
Limits
Parameter
Symbol
Min Typ Max
Unit
Condition
Tone control voltage gain
(Boost/Bass)
G (Bass) B
+12.5
+15
+17.5
dB
f = 100Hz
Bass= + 15dB
Tone control voltage gain
(Cut/Bass)
G (Bass) C
17.5
15
12.5
dB
f = 100Hz
Bass = 15dB
Tone control voltage gain
(Flat/Bass)
G (Bass) F
2
0
+2
dB
f = 100Hz
Bass = 0dB
Tone control voltage gain
(Boost/Treble)
G (Treble) B
+12.5
+15
+17.5
dB
f = 10kHz
Tre = +15dB
Tone control voltage gain
(Cut/Treble)
G (Treble) C
17.5
15
12.5
dB
f = 10kHz
Tre = 15dB
Tone control voltage gain
(Flat/Treble)
G (Treble) F
2
0
+2
dB
f = 100Hz
Tre = 0dB
I
2
C BUS Interface
Limits
Parameter
Symbol
Min Typ Max
Unit
Condition
Low level input voltage
V
IL
0
--
1.5
V
V
CC
=9V
High level input voltage
V
IH
3
--
5
V
V
CC
=9V
Maximum clock frequency
f
SCL
100
kHz
R2S15900SP
Rev.1.3 May 30, 2005 page 6 of 8
Function Description
1. Tone Control Circuit
<1> Bass Circuit
OUT
IN
R2
R3
C2
C1
R1
fo =
2
R1(R2+R3 C1C2
1
( Hz)
Q ~
=
C1+C2
R1
1
(R3=0)
C1C2R2
Gv = 20 log
(dB)
R1
R3
+2
R1
R2+R3
+2
(C1=C2)
OUT
IN
R3
R2
C2
C1
R1
fo =
2
R1(R2+R3 C1C2
1
(Hz)
Q
C1+C2
R1
1
(R3=0)
C1C2R2
Gv = 20 log
(dB)
R1
+2
R3
R2+R3
R1
+2
(C1=C2)
OUT
IN
R2
R1
C
Gv = 20 log
(dB)
R1+R2
R1
OUT
IN
R1
R2
C
Gv = 20 log
(dB)
R1+R2
R1
~
=
Boost
Cut
<2> Treble Circuit
Boost
Cut
+
-
+
-
+
-
+
-
R2S15900SP
Rev.1.3 May 30, 2005 page 7 of 8
I
2
C Bus Format
MSB
LSB MSB
LSB
MSB
LSB
S Slave
Address A Sub
Address
A
Data
A P
1 bit
8bit
1 bit
8bit
1 bit
8bit
1 bit
1bit
S: Starting Term
A: Acknowledge Bit
P: Stop Term
If more than one Data Byte is transmitted, then the significant SUB ADDRESS bits are auto incremented.
00H
01H
02H
03H
04H
00H
1. Slave Address
MSB
LSB
1 0 0 0 0 0 1
R/W
B
R/W
B
= 0: Write mode for register setting
R/W
B
= 1: Not available
2. Sub Address Table
BIT
Sub
Address
D7 D6 D5 D4 D3 D2 D1 D0
00H
Lch VOL<H>
Lch VOL<L>
01H
Rch VOL<H>
Rch VOL<L>
02H Input
selector
Rec
output
Output
gain
Lch mute
Rch mute
03H Bass
Surround
level
Mode selector
04H
Treble
0 0 0
Default values are all "0".
3. Data Table
<1> Master Volume Control (Sub Address: 00H, 01H)
VOL<H>
VOL<L>
VOL
ATT
(dB)
D7 D6 D5 D4
VOL
ATT
(dB)
D3 D2 D1 D0
0 0 0 0 0 0 0 0 0 0
10 0 0 0 1 1 0 0 0 1
20 0 0 1 0 2 0 0 1 0
30 0 0 1 1 3 0 0 1 1
40 0 1 0 0 4 0 1 0 0
50 0 1 0 1 5 0 1 0 1
60 0 1 1 0 6 0 1 1 0
70 0 1 1 1 7 0 1 1 1
80 1 0 0 0 8 1 0 0 0
9
1 0 0
1
Example: If the volume of the Lch is set to 28dB, the Data byte is transmitted as follows:
BIT
Sub
Address
D7 D6 D5 D4 D3 D2 D1 D0
00H
0 0 1 0 1 0 0 0
R2S15900SP
Rev.1.3 May 30, 2005 page 8 of 8
<2> Input Selector (Sub Address: 02H)
Input selector
REC1
REC2
Input
D7 D6 D5 D4 D3
All
OFF
0 0 0 A A
IN1 0 0 1 A A
IN2 0 1 0 A A
IN3 0 1 1 A A
IN4 1 0 0 1 A
IN5 1 0 1 A 1
If A=0 means REC1 or REC2 output ON, then A=1 means REC1 or REC2 output OFF.
<3> Output Gain (Sub Address: 02H)
Output gain
Gain
D2
0dB 0
+4.5dB 1
<4> Mute Function (Sub Address: 02H)
Lch Rch
Mute
D1 D0
Mute ON
0
0
Mute OFF
1
1
<5> Surround Mode (Sub Address: 03H)
Surround level
Surround level
D2
Low level
0
High level
1
<6> Mode Selector (Sub Address: 03H)
Mode selector
Mode
D1 D0
Bypass 0
0
Tone 0
1
Tone & Pseudo stereo
1
0
Tone & Surround
1
1
<7> Tone Control (Sub Address: 03H Bass, 04H Treble)
Bass/ Treble
Gain
(dB)
D7 D6 D5 D4 D3
0
0 0 0 0
1
0 0 0 1
2
0 0 1 0
3
0 0 1 1
4
0 1 0 0
5
0 1 0 1
6
0 1 1 0
7
0 1 1 1
8
1 0 0 0
9
1 0 0 1
10
1 0 1 0
11
1 0 1 1
12
1 1 0 0
13
1 1 0 1
14
1 1 1 0
15
A
1 1 1 1
If A=0 means Tone control gain CUT(), then A=1 means Tone control gain BOOST(+).
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