Datasheet SC62446 Datasheet (SILAN)

Silan
Semiconductors

SC62446

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.31

1

6CH ELECTRIC VOLUME WITH
TONE CONTROL

DESCRIPTION

The SC62446 is 6 channels electric volume controlled 3-wire
serial data. The IC is suitable for use in home-use audio
systems and TV sets.

FEATURES

• Electric volume
Volume level⋅⋅⋅⋅⋅⋅⋅⋅0dB~-79dB, -∞dB (1dB/step)

• Tone control
Bass/treble, 0dB ~ ±10dB (2dB/step)

• 4 output ports

• Built-in microcomputer interface circuit controlled by 16-

bit serial data.

QFP-48

SDIP-42

QFP-44

APPLICATIONS

• DVD

• TV

• Home audio equipment

RECOMMENDED OPERATING CONDITIONS

Supply voltage range ±4.5~±7.3V (analog)

4.5~5.5V(digital)

Rated supply voltage ±7.0V (analog)

5.0V (digital)

Silan
Semiconductors

SC62446

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.31

2

PIN CONFIGURATIONS

33 32 31 30 29 28 27 26 25 24 23

34
35
36
37
38
39
40
41

43
44

42

22
21
20
19
18
17
16
15

13
12

14

1 2 3 4 5 6 7 8 9 10 11

CL1

NC

AV

SS

Lout

Rout

NC

Cout

SLout

SRout

SWout

AGND

GNDS

Cin

DGND

LATCH

DATA

CLK

DVDD

OUT4

OUT3

OUT2

OUT1

AVDD

Swin

SRin

SLin

GNDC

GNDR

Rin

GNDL

Lin

BypassR

BypassL

LTRE

LBASS3

LBASS2

LBASS1

RBASS1

RBASS2

RBASS3

RTRE

CRL2

CRL1

CL2

SC62446

QFP-44

1 2 3 4 5 6 7 8 9 10 11 12

13

14

15

16

17

18

19

20

21

22

23

24

36 35 34 33 32 31 30 29 28 27 26 25

48

47

46

45

44

43

42

41

40

39

38

37

SC62446

LATCH

DATA

CLK

DVDDOUT4

OUT3

OUT2

OUT1

AVDDSWIN

GNDS

NC

SRIN

SLIN

GNDC

C

IN

NC

NC

NC

GND

R

RIN

GND

L

NC

LIN

BY PASSR

BY PASSL

LTRE

LBASS3

LBASS2

LBASS1

RBASS3

RBASS1

RBASS2

RTRE

CR2

CR1

CL2
CL1

AV

SS

L

OUT

R

OUT

C

OUT

NC

SL

OUT

SR

OUT

SW

OUT

AGND
DGND

QFP-48

Silan
Semiconductors

SC62446

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.31

3

PIN CONFIGURATIONS

(Continued)

SC62446

SDIP-42

DVDD

CLK

DATA

LATCH

DGND

AGND

SWout

SRout

SLout

Cout

Rout

Lout

AVSS

CL1

CL2

CR1

CR2

RTRE

RBASS3

RBASS2

RBASS1

2223242526272829303132333435363738394042 41

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

OUT3

OUT4

OUT2

OUT1

AVDD

SWin

GNDS

SRin

SLin

GNDC

Cin

GNDR

Rin

GNDL

Lin

BYPASSRBYPASS

L

LTRE

LBASS3

LBASS2

LBASS1

BLOCK DIAGRAM

MCU I/F

tone

volume

volume

volume

volume

volume

volume

1

3

2

4

5

6

7

8

10

9

11

12

13

14

15

17

16

18

19

20

21

42

40

41

39

38

37

36

35

33

34

32

31

30

29

28

26

27

25

24

23

22

tone

OUT3

OUT4

OUT2
OUT1
AVDD

SWin

GNDS

SRin

SLin

GNDC

Cin

GNDR

Rin

GNDL

Lin

BYPASSR

BYPASSL

LTRE
LBASS3
LBASS2
LBASS1

DVDD
CLK
DATA
LATCH
DGND
AGND
SWout
SRout
SLout
Cout
Rout
Lout
AVSS
CL1
CL2
CR1
CR2
RTRE
RBASS3
RBASS2
RBASS1

OUTPUT

PORT

Silan
Semiconductors

SC62446

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.31

4

ABSOLUTE MAXIMUM RATING

Characteristic Symbol Value Unit

Supply Voltage V

DD

15 V

Powerdissipation P

D

1000 mW

Thermal derating

K∂

10

mW/°C

Storage temperature T

STG

-65 ~ +150

°C

Operating Temperature T

OPR

-40~+80

°C

ELECTRICAL CHARACTERISTICS

(Tamb=25°C, unless otherwise specified)

(1) Power supply characteristics

Parameter Symbol Test condition Min Typ Max Unit

Analog Positive Circuit Current AI

DD

Current at pin 5 No signal -- 25 35 mA

Analog Negative Circuit Current AI

SS

Current at pin 30 No signal -- 25 35 mA

Digital Circuit Current DI

DD

Current at pin 42 No signal -- 0.5 2.0 mA

(2) Input/output characteristics

Parameter Symbol Test condition Min Typ Max Unit

Input Resistance R

I

13, 15, 16, 17, 27, 29 pin 35 70 150 KΩ

Maximum Output Voltage

VOM

6,8,9,11,13,15,16,17pin INPUT
31~36 pin OUTPUT
RL=10KΩ, THD=1%

3.0 4.0 -- Vrms

Pass Gain

G

V

VI=0.2Vrms, FLAT
6,8,9,11,13,15,16,17pin INPUT
31~36 pin OUTPUT

-2.0 0 2.0 dB

Distortion

THD

BW=400~30KHz
V

I

=0.2Vrms, RL=10KΩ

-- 0.02 0.09 %

Vn(VOL)

31~36pin, Rg=1KΩ,
JIS-A, VOL=0dB

-- 2 6 µVrms

Output Noise Voltage

Vn

(tone)

31,32pin, Rg=1KΩ
JIS-A, VOL=0dB

-- 8 20 µVrms

Maximum Attenuation

ATT

MAX

31~36pin, Rg=1KΩ
JIS-A, VOL= -

∞

dB

-86 -- -- dB

Volume Gain Between Channel D

VOL

-1.5 0 1.5 dB

Cross Talk Between Channel

CT

VO=0.5Vrms, RL=10KΩ,
JIS-A Rg=1KΩ

-- -80 -65 dB

Port Output Current IL RL=22KΩ 0.2 -- -- mA

Silan
Semiconductors

SC62446

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.31

5

(3) Tone control characteristics

Parameter Symbol Test condition Min Typ Max Unit

T-10dB -12 -10 -8 dB

T-8dB -10 -8 -6 dB
T-6Db -7.5 -6 -4.5 dB
T-4dB -5.5 -4 -2.5 dB

T-2dB -3 -2 -1 dB
T+2dB 1 2 3 dB
T+4dB 2.5 4 5.5 dB
T+6dB 4.5 6 7.5 dB
T+8dB 6 8 10 dB

Tone control voltage gain

T+10dB

V

O

=0.2Vrms, f=1KHz TIEBLE

(f=10KHz) BASS(f=100Hz)

81012dB

Balance between channel

BALT

Input pin 13, 15 VO=0.2Vrms
Output pin 31, 32

-1.5 0 +1.5 dB

RECOMMENDED OPERATING CONDITION

Parameter Symbol Min Typ Max Unit

Analog positive supply voltage AVDD 4.5 7.0 7.3 V
Analog negative supply voltage AVSS -7.3 -7.0 -4.5 V
Digital supply voltage DVDD 4.5 5.0 5.5 V
High-level input voltage VIH DVDD/2+1 -- DVDD V
Low-level input voltage VIL DGND -- DVDD/2-1 V

DIGITAL BLOCK TIMING REGULATION

Parameter Symbol Min Typ Max Unit

CLOCK cycle time tor 8 -- -­CLOCK pulse width (“H” level) tWHC 3.2 -- -­CLOCK pulse width (“L” level) tWLC 3.2 -- -­CLOCK, DATA, LATCH rise time tr -- -- 0.8
CLOCK, DATA, LATCH fall time tf -- -- 0.8
DATA setup time tSD 1.6 -- -­DATA hold time tHD 1.6 -- -­LATCH setup time tSL 2 -- -­LATCH pulse width tWHL 3.2 -- --

µsec

Silan
Semiconductors

SC62446

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.31

6

DIGITAL CONTROL SPWECIFICATION

Fore kinds of input format options are available by changing slot settings of DE and DF. (When the IC is powered up,
the internal settings are not fixed)

D01 D11 D21 D31 D41 D51 D61 D71 D81 D91 DA1 DB1 DC1 DD1 DE DF

1234

TONE CONTROL TREBLE

OUTPUT PORT n
1:high, 0:low

TONE CONTROL BASS 0

BY PASS
1:on, 0:off

00

D02 D12 D22 D32 D42 D52 D62 D72 D82 D92 DA2 DB2 DC2 DD2 DE DF

VOLUME Lch VOLUME Rch 0 1

D03 D13 D23 D33 D43 D53 D63 D73 D83 D93 DA3 DB3 DC3 DD3 DE DF

VOLUME Cch VOLUME SWch 1 0

D04 D14 D24 D34 D44 D54 D64 D74 D84 D94 DA4 DB4 DC4 DD4 DE DF

VOLUME SLch VOLUMESRch 1 1

SETTING CODE

(1) Tone control (bass/treble)

Treble D01 D11 D21 D31

ATT

bass D81 D91 DA1 DB1

-10dB 1 1 1 0

-8dB1100

-6dB1011

-4dB1010

-2dB1001
+0dB0000
+2dB0001
+4dB0010
+6dB0011
+8dB0100

+10dB 0 1 1 0

Silan
Semiconductors

SC62446

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.31

7

Port output

D41 D51 D61 D71

0L

PORT1

1H

-- -- --

0L

PORT2

1

-­H

-- --

0L

PORT3

1

-- --

H

--

0 L

PORT4

1

-- -- --

H

BYPASS control

DD1

TONE 0

BYPASS 1

Note: Do not input other data than the above.

(2), (3), (4) VOLUME

D0X D1X D2X D3X D4X D5X D6X

ATT VOLUME

D7X D8X D9X DAX DBX DCX DDX

-0dB 0000000

-1dB 0000001

-2dB 0000010

-3dB 0000011

-4dB 0000100

-5dB 0000101

-6dB 0000110

-7dB 0000111

-8dB 0001000

-9dB 0001001

-10dB 0 0 01010

-11dB 0 0 01011

-12dB 0 0 01100

-13dB 0 0 01101

-14dB 0 0 01110

-15dB 0 0 01111

-16dB 0 0 10000

-17dB 0 0 10001
(To be continued)

Silan
Semiconductors

SC62446

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.31

8

(Continued)

D0X D1X D2X D3X D4X D5X D6X

ATT VOLUME

D7X D8X D9X DAX DBX DCX DDX

-18dB 0010010

-19dB 0010011

-20dB 0010100

-21dB 0010101

-22dB 0010110

-23dB 0010111

-24dB 0011000

-25dB 0011001

-26dB 0011010

-27dB 0011011

-28dB 0011100

-29dB 0011101

-30dB 0011110

-31dB 0011111

-32dB 0100000

-33dB 0100001

-34dB 0100010

-35dB 0100011

-36dB 0100100

-37dB 0100101

-38dB 0100110

-39dB 0100111

-40dB 0101000

-41dB 0101001

-42dB 0101010

-43dB 0101011

-44dB 0101100

-45dB 0101101

-46dB 0101110

-47dB 0101111

-48dB 0110000

-49dB 0110001

-50dB 0110010

-51dB 0110011
(To be continued)

Silan
Semiconductors

SC62446

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.31

9

(Continued)

D0X D1X D2X D3X D4X D5X D6X

ATT VOLUME

D7X D8X D9X DAX DBX DCX DDX

-52dB 0110100

-53dB 0110101

-54dB 0110110

-55dB 0110111

-56dB 0111000

-57dB 0111001

-58dB 0111010

-59dB 0111011

-60dB 0111100

-61dB 0111101

-62dB 0111110

-63dB 0111111

-64dB 1000000

-65dB 1000001

-66dB 1000010

-67dB 1000011

-68dB 1000100

-69dB 1000101

-70dB 1000110

-71dB 1000111

-72dB 1001000

-73dB 1001001

-74dB 1001010

-75dB 1001011

-76dB 1001100

-77dB 1001101

-78dB 1001110

-79dB 1001111

-∞dB 1000000

Silan
Semiconductors

SC62446

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.31

10

THERMAL DERATING

0

25 50 75 100 125 150

0

0.5

1.0

1.5

POWER DISSIPATION pd(W)

AMBIENT TEMPERATURE Ta(k)

TIMING DIAGRAM

D0 D1 DE DF D0

H

H

H

L

L

L

DATA

CLOCK

LATCH

note: CLOCKand LATCHfunction at raising edges of pulse

DATA timing

25%

75%

25%

75%

25%

75%

tf

t

WHC

tr

t

SL

t

HD

t

SD

tr

t

WLC

tf

t

WHC

tr

tor

CLOCK

DATA

LATCH

CLOCK, DATA, LATCH timing

Silan
Semiconductors

SC62446

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.31

11

SYSTEM DIAGRAM

3.3µF

3.3F

3.3µF

3.3µF

3.3µF

3.3µF

100k

100k

100k

300k

0.015µF

0.33µF

8200pF

12k

12k

BYPASS

TONE in

VOLUME in VOLUME Cch, SWch, SRch (0dB ~dB)

If the mode change (BYPASS/TONE), it is

necrssary muting function.

VOLUME Lch, Rch (0dB ~ dB

OUTPUT PORT

The resistance value of VOLUME change about 17~24k by

attenuated condition

g

TREBLE

Bass

1.5k¡

Silan
Semiconductors

SC62446

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.31

12

TYPICAL APPLICATION CIRCUIT

MCU I/F

tone

volume

volume

volume

volume

volume

volume

1

3

2

4

5

6

7

8

10

9

11

12

13

14

15

17

16

18

19

20

21

42

40

41

39

38

37

36

35

33

34

32

31

30

29

28

26

27

25

24

23

22

tone

OUT3

OUT4

OUT2

OUT1

AVDD=7V

SWin

SRin

SLin

Cin

Rin

Lin

BYPASSR

BYPASSL

DVDD=5V

DGND

AGND

SWout

SRout

SLout

Cout

Rout

Lout

AVSS=-7V

OUTPUT

PORT

22K



1K



3.3F

1K



3.3F

1K



3.3F

1K



3.3F

1K



3.3F

1K



3.3F

1K



3.3F

1K



3.3F

MCU

10K



3.3F

10K



3.3F

10K



3.3F

10K



3.3F

10K



3.3F

10K



3.3F

3.3F

3.3F

0.015F

0.33



F

8200pF

0.015F

0.33



F

8200pF

22K



22K



22K



Silan
Semiconductors

SC62446

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.31

13

PACKAGE OUTLINE

QFP-44-10x10-0.8 UNIT: mm

0.35+-0.10 0.8

1.0

10.0+-0.2

13.6+-0.4

10.0+-0.2

13.6+-0.4

1

11

1244

34

33 23

22

2.7

1.8+-0.2

0.15+-0.05

0.8+-0.2

QFP-48-12x12-0.8 UNIT: mm

12.0±0.2

17.20±0.40

37

36 25

24

2.7

2.6±0.2

0.15±0.05

1.8±0.2

12.0±0.2

17.2±0.4

0.30±0.06 0.8

1.6

13

121

48

Silan
Semiconductors

SC62446

HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD

Rev: 1.0 2000.12.31

14

PACKAGE OUTLINE (Continued)

SDIP-42-600-1.778 UNIT: mm

1.00

1.778

15.24

0.25

15 degree

13.90

3.50

0.50

39.16

5.083.30