SM7346A

三合微科股份有限公司
SAMHOP Microelectronics Corp.
SM7346A
6 CHANNELS VOLUME CONTROLLER
REV. 3.10
DECEMBER 22, 2004
The information in this document is subject to change without notice.
c SAMHOP Microelectronics Corp. All Rights Reserved.
台北縣新店市民權路100號7樓
7F,No.100,Min-Chyuan Road, Hsintien, Taipei Hsien, Taiwan, R.O.C.
TEL: 886-2-2218-3978/2820 FAX: 886-2-2218-3320
E-mail : [email protected]
Page 1
SM7346A
SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
GENERAL DESCRIPTION
FEATURES
The SM7346A is 6 channels electronic volume
controlled by 3-wire serial data. The IC is suitable
for use in DVD systems and AV.
* 4 Output ports
* Built-in microcomputer interface circuit controlled by 16-bit serial data.
* Electronic volume
Volume level: 0dB~-95dB, - ∞dB(1dB/step)
* Tone control
Bass/Treble, 0dB~+14dB(2dB/step)
APPLICATIONS
* DVD Receivers
* Home Audio Equipment
* AV
PIN ASSIGNMENTS
OUT4
OUT3
OUT2
OUT1
AVDD
SWin
GNDS
SRin
SLin
GNDC
Cin
GNDR
Rin
GNDL
Lin
BYPASSR
BYPASSL
LTRE
LBASS3
LBASS2
LBASS1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
DVDD
CLK
DATA
LATCH
DGND
AGND
SWout
SRout
SLout
Cout
Rout
Lout
AVSS
CL1
CL2
CR1
CR2
RTRE
RBASS3
RBASS2
RBASS1
OUT4
OUT3
OUT2
OUT1
AVDD
SWin
GNDS
SRin
SLin
GNDC
Cin
GNDR
Rin
GNDL
Lin
BYPASSR
BYPASSL
LTRE
LBASS3
LBASS2
LBASS1
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
DVDD
CLK
DATA
LATCH
DGND
AGND
SWout
SRout
SLout
Cout
Rout
Lout
AVSS
CL1
CL2
CR1
CR2
RTRE
RBASS3
RBASS2
RBASS1
NC
SDIP 42PIN
TSSOP
44PIN
Page 2
V.3.10
SAMHOP Microelectronics Corp.
SM7346A
6 CHANNELS VOLUME CONTROLLER
BLOCK DIAGRAM
volume
C input
C output
SW input
SW output
SL input
SL output
SR input
SR output
BypassL
BypassR
tone
L input
volume
L output
R output
R input
μ-com
interface
Latch Data CLK
Page 3
V.3.10
SM7346A
SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
PIN DESCRIPTION (Pin count base on 42pin SDIP)
Pin No.
1
2
3
4
5
7
10
12
14
6
8
9
11
36
35
34
33
Symbol
OUT4
OUT3
OUT2
OUT1
AVDD
GNDS
GNDC
GNDR
GNDL
SW in
SR in
SL in
C in
SW out
SR out
SL out
C out
13
R in
15
L in
16
BYPASSR
BYPASSL
17
31
32
L out
R out
18
LTRE
25
RTRE
19
24
20
23
21
22
LBASS3
RBASS3
LBASS2
RBASS2
LBASS1
RBASS1
26
CR2
28
CL2
27
29
31
32
30
37
38
39
40
41
42
CR1
CL1
L out
R out
AVSS
AGND
DGND
LATCH
DATA
CLK
DVDD
Function
Circuit
DVDD(=5V)
OUTPUT: PMOS
Transistor
open drain
Port OUTPUT
1 to 4
Analog positive Power supply
+7V
GND
Connect to analog GND
Volume INPUT
6,8,9,11
33,34,35,36
18 to 22 KΩ
(TYP)
Volume OUTPUT
13,15
Tone INPUT
70 KΩ
(TYP)
L.R Volume INPUT
in BYPASS mode
L OUTPUT
R OUTPUT
16,17
70 KΩ
(TYP)
31,32
18 to 22 KΩ
(TYP)
Tone Treble cycle control
18,25
Tone Bass cycle control
2.3 KΩ
(TYP)
20,23
19,24
26,28
Tone OUTPUT
L.R Volume INPUT
L OUTPUT
R OUTPUT
Analog negative Power supply
Analog GND
Digital GND
Latch INPUT
Data INPUT
Clock INPUT Forward data
Digital Power supply
Page 4
21,22
27,29
70 KΩ
(TYP)
18 to 22 KΩ
(TYP)
31,32
-7V
39,40,41
S
INPUT:schmitt trigger type
+5V
V.3.10
SM7346A
SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
PIN CONFIGURATION AND IC INTERNAL BLOCK DIAGRAM ( Pin count base on 42pin )
OUT4
OUT3
OUT2
OUT1
SWin
1
2
3
OUTPUT
PORT
MCU
volume
4
I/F
6
42
DVDD
41
CLK
40
DATA
39
38
volume
36
SRin
SLin
8
volume
11
34
SLout
32
31
Rin
volume
Lin
15
BYPASSR
16
BYPASSL
AVDD
30
13
29
28
27
volume
17
SW out
SRout
33
Cin
DGND
35
volume
9
LATCH
26
Cout
Rout
Lout
AVSS
CL1
CL2
CR1
CR2
5
tone
tone
Page 5
V.3.10
SM7346A
SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
ABSOLUTE MAXIMUM RATINGS
Symbol
Parameter
Conditions
Ratings
Unit
Vsupply
Supply Voltage
AVDD-AVSS
16.0
V
Pd
Power dissipation
Ta<25oC
1000
mW
Kθ
Thermal derating
Ta>25oC
*standard board
10
mW / oC
Topr
Operating temperature
-20~+75
oC
Tstg
Storage temperature
-40~+125
oC
THERMAL DERATING (MAXIMUM RATING)
Standard board
POWER DISSIPATION pd[W]
1.5
1.0
* Standard board
•board size
:70mm X 70mm
•board thickness :1.6mm
•board material :glass epoxy
•copper pattern :
•copper thickness:18um
•copper size
:0.25mm(wide)
30mm(length/lead)
0.5
0
25
50
75
100
125
150
AMBIENT TEMPERATURE Ta [℃]
Page 6
V.3.10
SM7346A
SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
RECOMMENDED OPERATING CONDITION
Parameter
Symbol
Condition
Min.
Typ.
Max.
Unit
Analog positive
Supply Voltage
AVDD
6.0
7.0
8.0
V
Analog negative
Supply Voltage
AVSS
- 8.0
- 7.0
- 6.0
V
Digital
Supply Voltage
DVDD
4.5
5.0
5.5
V
High-level Input
Voltage
VIH
DVDDX0.7
-
DVDD
V
Low-level Input
Voltage
VIL
DGND
-
DVDDX0.3
V
Note1 : AVSS<DGND<DVDD<AVDD or AVSS<DGND<AVDD<DVDD
Note2 : AGND=(AVSS+AVDD ) / 2
DATA TIMING(Recommended conditions)
DATA
H
D0
D1
DE
DF
D0
L
H
CLOCK
L
H
LATCH
L
Note: CLOCK and LATCH function at raising edges of pulse.
Page 7
V.3.10
SM7346A
SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
CLOCK, DATA, LATCH TIMING
tcr
75%
CLOCK
25%
tr
tf
tWLC
tWHC
75%
25%
DATA
tSC
tf
tr
tSD
tHD
tWHL
tSL
LATCH
tf
tr
75%
25%
25%
DIGITAL BLOCK TIMING REGULATION
Symbol
Limits
Parameter
Min
Typ
Max
tcr
CLOCK cycle time
8
─
─
tWHC
CLOCK pulse width("H"level)
3.2
─
─
tWLC
CLOCK pulse width("L"level)
3.2
─
─
tr
CLOCK,DATA,LATCH rise time
─
─
0.8
tf
CLOCK,DATA,LATCH fall time
─
─
0.8
tSD
DATA setup time
1.6
─
─
tHD
DATA hold time
1.6
─
─
tSL
LATCH setup time
2
─
─
tWHL
LATCH pulse width
3.2
─
─
tsc
CLOCK start time after LATCH
3.2
─
─
Page 8
Unit
µ sec
V.3.10
SM7346A
SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
DIGITAL CONTROL SPECIFICATION
Four kinds of input format options are available by changing slot settings of DE and DF.
(1)
D01 D11 D21 D31 D41 D51 D61 D71 D81 D91 DA1 DB1 DC1 DD1 DE
TONE
CONTROL
TREBLE
(2)
1
2
3
4
OUTPUT PORT
1:High 0:Low
VOLUME Rch
BY
PASS
1:ON
0:OFF
0
0
D03 D32 D23 D33 D43 D53 D63 D73 D83 D93 DA3 DB3 DC3 DD3 DE
VOLUME Cch
(4)
0
D02 D12 D22 D32 D42 D52 D62 D72 D82 D92 DA2 DB2 DC2 DD2 DE
VOLUME Lch
(3)
TONE
CONTROL
BASS
VOLUME SWch
1
D04 D14 D24 D34 D44 D54 D64 D74 D84 D94 DA4 DB4 DC4 DD4 DE
VOLUME SLch
VOLUME SRch
1
DF
0
DF
1
DF
0
DF
1
NOTE : When the IC is powered up, the internal setting of channel output are fixed to -∞.
Page 9
V.3.10
SM7346A
SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
SETTING CODE
(1) Tone Control ( bass / treble )
treble
D01
D11
D21
D31
bass
D81
D91
DA1
DB1
-14dB
1
1
1
1
-12dB
1
1
0
1
-10dB
1
1
1
0
-8dB
1
1
0
0
-6dB
1
0
1
1
-4dB
1
0
1
0
-2dB
1
0
0
1
+0dB
0
0
0
0
+2dB
0
0
0
1
+4dB
0
0
1
0
+6dB
0
0
1
1
ATT
+8dB
0
1
0
0
+10dB
0
1
1
0
+12dB
0
1
0
1
+14dB
0
1
1
1
(2) Port output
(3) BYPASS control
D41, D51, D61, D71
DD1
Out: L
0
TONE
0
Out: H
1
BYPASS
1
Note: Do not input other data than the above.
Page 10
V.3.10
SM7346A
SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
(4)-1 Volume ( 0~-39dB )
A
T
T
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Volume
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Note: Do not input other data than the above.
D0X
D1X
D2X
D7X
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
D8X
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
D9X
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
Page 11
D3X
DAX
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
D4X
DBX
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
D5X
DCX
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
D6X
DDX
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
V.3.10
SM7346A
SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
(4)-2 VOLUME ( -40 ~ - dB )
A
T
T
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Volume
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Note: Do not input other data than the above.
D0X
D1X
D2X
D3X
D4X
D7X
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
D8X
D9X
DAX
DBX
D5X
DCX
DDX
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Page 12
D6X
V.3.10
SM7346A
SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
(4)-3 VOLUME ( -80 ~ -∞dB )
A
T
T
-
-
-
∞
∞
∞
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Note: Do not input other data than the above.
D0X
D1X
D2X
dB
dB
dB
D7X
1
1
1
D8X
0
0
0
D9X
1
1
1
D3X
DAX
0
0
0
∞
∞
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
∞
∞
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
∞
∞
dB
dB
1
1
1
1
1
1
Volume
Page 13
D4X
DBX
0
0
0
D5X
DCX
0
1
1
D6X
DDX
1
0
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
1
1
1
1
1
0
1
V.3.10
SM7346A
SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
ELECTRICAL CHARACTERISTICS
( Ta=25℃,AVDD=7.0V, AVSS=-7.0V, DVDD=5.0V, f=1kHz, unless otherwise noted. Rg=1KΩ, Rl=10KΩ,
TONE CONTROL, VOLUME are set to 0dB/FLAT )
(1)Power Supply Characteristics ( Pin count base on 42pin version )
Parameter
Symbol
Analog positive circuit
current
Analog negative circuit
current
Aldd
Alss
Dldd
Digital circuit current
Test condition
Current at pin 5
No signal
Current at pin 30
No signal
Current at pin 42
No signal
Limits
typ
Max
-
-
24
35
mA
24
35
mA
-
1.0
2.0
mA
Min
Unit
(2)Input Output Characteristics ( Pin count base on 42pin version )
Parameter
Symbol
Test condition
Input resistance
Rin
13,15,16,17,27,29pin
Maximum output
voltage
VOM
Pass gain
Distortion
Limits
Unit
Min
typ
Max
35
70
150
KΩ
6,8,9,11,13,15,16,17pin INPUT
31~36pin OUTPUT, THD=1%
3.0
4.2
-
Vrms
Gv
Vi=0.2Vrms,FLAT
6,8,9,11,13,15,16,17pin INPUT
31~36pin OUTPUT
-2.0
0
2.0
dB
THD
BW=400~30kHz
Vi=0.2Vrms,RL=10KΩ
-
0.004 0.09
%
Vn(VOL)
31~36pin
JIS-A,VOL=0dB
-
4
6
µVrms
Vn(tone)
31,32pin
JIS-A,VOL=0dB
-
8
20
µVrms
Signal to noise ratio
S/N
all gains=0dB; Vo=1Vrms
-
98
105
dB
Maximum
attenuation
ATTmax
31~36 pin
JIS-A,VOL=-∞dB
-
-100
-95
dB
Volume gain
between channels
Dvol
-1.5
0
1.5
dB
Crosstalk between
channels
CT
Vo=0.5Vrms,RL=10KΩ,
JIS-A, Rg=1KΩ
-
-100
-80
dB
Port output current
IL
RL=22KΩ
0.2
-
-
mA
Output noise
voltage
Page 14
V.3.10
SM7346A
SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
(3) Tone Control Characteristics ( Pin count base on 42pin version )
Parameter
Tone control voltage
gain
Symbol
Unit
Min
typ
Max
T -14dB
-16
-14
-12
dB
T -12dB
-14
-12
-10
dB
T -10dB
-12
-10
-8
dB
T -8dB
-10
-8
-6
dB
T -6dB
-7.5
-6
-4.5
dB
-5.5
-4
-2.5
dB
-3
-2
-1
dB
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
T +10dB
8
10
12
dB
T +12dB
10
12
14
dB
T +14dB
12
14
16
dB
-1.5
0
+1.5
dB
T -4dB
Vo=0.2Vrms,f=1kHz
TREBLE(f=10kHz)
BASS(f=100Hz)
T -2dB
INPUT 13,15pin
OUTPUT 31,32pin
T +2dB
Balance between
channel
Limits
Test condition
BALT
Input pin13,15 Vo=0.2
Vrms,Output pin31,32
RECOMMENDED OPERATING CONDITIONS
Analog
Digital
Supply voltage range
+6.0 ~ +8.0V
4.5 ~ 5.5V
Rated supply voltage
+7.0V
5.0V
Page 15
V.3.10
SM7346A
SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
SIGNAL PROCESSING DIAGRAM
BYPASS
3.3 µF
70KΩ
TONE CONTROL
(+14dB to -14dB)
BASS
TONE in
+
_
3.3 µF
70KΩ
VOLUME Lch, Rch
(0dB to -∞dB)
TREBLE
+
_
+
_
3.3 µF
70KΩ
+
_
3.3 µF
8200 pF
0.015 µF
0.33 µF
VOLUME in
3.3 µ F
VOLUME Cch,SWch,SLch,SRch(0dB to -∞dB)
Note:
+
_
3.3 µ F
(1) The resistance value of Volume change about 18 to 22KΩ by attenuated condition.
(2) No built in a zero cross circuit.
(3) When the mode changed (BYPASS/TONE), it is necessary the muting function.
DVDD(=5V)
CLK, DATA, LATCH
S
OUTPUT PORT
OUTPUT port:
PMOS transistor open drain
INPUT: Schmitt trigger type
Page 16
V.3.10
SM7346A
SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
APPLICATION EXAMPLE ( Pin count base on 44pin )
1
OUT4
44
22KΩ
OUT3
22KΩ
2
3
OUT2
22KΩ
OUT1
22KΩ
OUTPUT
PORT
3.3 µ F
SWin
3.3 µ F
SRin
3.3 µ F
SLin
3.3 µ F
3.3 µ F
Rin
volume
4
42
41
6
39
7
38
volume
8
4.7KΩ
DVDD
4.7KΩ
DVDD
37
MCU
4.7KΩ
40
volume
DGND
AGND
3.3 µ F
SWout
3.3 µ F
SRout
36
3.3 µ F
35
3.3 µ F
Cout
11
34
3.3 µ F
Rout
12
33
3.3 µ F
Lout
9
10
Cin
MCU
I/F
5
AVDD=7V
43
DVDD=5V
DVDD
volume
volume
13
SLout
32
14
31
15
30
AVSS= -7V
3.3 µ F
3.3 µ F
Lin
3.3 µ F
BYPASSR
3.3 µ F
BYPASSL
volume
16
29
17
28
18
27
19
26
20
25
3.3 µ F
8200pF
8200pF
0.015 µ F
0.33 µ F
tone
tone
0.015 µF
0.33 µF
21
24
NC 22
23
NC
Units Resistance:Ω / Capacitance: F
Page 17
V.3.10
SAMHOP Microelectronics Corp.
SM7346A
6 CHANNELS VOLUME CONTROLLER
Figure1 : Tone Response of Treble
Figure2 : Tone Response of Bass
Figure3 : Crosstalk vs. R/L ch
Figure4 : Distortion and Noise vs. Frequency
(Vin=250mV,AV=0dB,ALL CONTROLS
FLAT, VOLUME=0dB,-20dB)
Page 18
V.3.10
SM7346A
SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
PACKAGE OUTLINE ( TSSOP44)
0.010
12 (4X)
BOTTOM E-PIN INDENT 0.069
(0.001"~0.004" OP)
E
1
PIN I INCCATOR 0.047
SURFACE POLISHED
GAGE
PLANE
E
L
DETAIL B
D
ZD
e
b
SYMBOLS
A
A1
A2
b
C
D
E
E1
e
L
ZD
y
r
C
A
A1
A2
12 (4X)
DIMENSIONS IN
MILLIMETERS
NOM
MIN
MAX
1.00
-
1.20
0.05
-
0.15
0.95
1.00
1.05
0.30
0.35
0.45
0.12
-
0.21
18.313
18.415
18.517
11.836
11.684
11.938
10.058
10.160
10.262
-
-
0.800
0.40
0.60
0.50
-o
0.805
-
o
-
0
8
-
0.00
0.076
DETAIL B
DIMENSIONS IN INCHES
MIN
0.039
0.002
0.037
0.012
0.0047
0.721
0.460
0.396
-
0.0157
-o
0
0.000
NOM
-
-
0.039
0.014
-
0.725
0.466
0.400
0.315
0.020
0.0317
-
-
MAX
0.047
0.006
0.041
0.018
0.0083
0.729
0.47
0.404
-
0.0236
-
o
8
0.003
NOTE:
1. CONTROLLING DIMENSION 1 INCH.
2. LEAD FRAME MATERIAL ALLOY 42.
3. DIMENSION "D" DOES NOT INCLUDE MOLD FLASH, THE BAR BURRS AND GATE BURRS.
MOLD FLASH,THE BAR BURRS AND GATE BURRS SHALL NOT EXCEED 0.066"(0.15mm) PER END DIMENSION "E1" DOES NOT
INCLUDE INTERLEAD FLASH. INTERLEAD FLASH NOT EXCEED 0.010" (0.25mm) PER SIDE.
4. DIMENSION "b" DOES NOT INCLUDE DAMBAR PROTRUSION.
ALLOWABLE DAMBAR PROTRUSION SHALL BE 0.003"(0.08mm) TOTAL IN EXCESS OF THE "b" DIMENSION AT MAXIMUM
MATERIAL CONDITION DAMBAR CANNOT BE LOCATED ON THE LOWER RADIUS OR THE FOOT. MINMUM SPACE BETWEEN
PROTRUSION AND AN ADJACENT LEAD TO BE 0.0028"(0.07mm).
5. TOLERANCE +0.010"(0.25mm) UNLESS OTHERWISE SPECIFIED.
6. OTHERWISE DIMENSION FOLLOW ACCEPTABLE SPEC.
7. REFERENCE DOCUMENT:JEDEC SPEC MS-024.
Page 19
V.3.10
SM7346A
SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
PACKAGE OUTLINE ( SDIP42 )
F
E
1
10REF
15"(4X)
eB
A1
A
15"(2X)
5"(2X)
1BREF
B1
70 (TYP)
SYMBOL
A
A1
B1
D
E1
F
eB
MIN
155
70
36
1448
549
592
600
o
0
Dimonation in mil
MAX
NOM
160
165
72.5
74
40
44
1450
1452
550
551
800
608
650
700
o
o
7.5
15
Dimenation in mm
MIN
NOM
MAX
3.937
4.064
4.2
1.78
1.842
1.88
0.914
1.270
1.118
36.78
36.83
36.88
13.945
13.970
13.998
15.037
15.240
15.443
15.24
16.510
17.78
o
o
o
0
7.5
15
PACKAGE OUTLINE DIMENSION FOR P-SDIP 42 PIN
Page 20
V.3.10