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Sound Processors for Home Theater Systems
5.1ch Sound Processors
BD3813KS,BD3815KS
No.10081EAT04
Description The BD3813KS and BD3815KS sound processors integrate a gain amp and volume/bass/treble controls on a single chip, making them optimally suited for use in audio applications, such as AV receivers, home theater systems and mini-component systems. Used in combination with the BD3812F, a 2ch volume IC, the units enable 6.1ch and 7.1ch operation. In addition, utilization of a BiCMOS process ensures a wide dynamic range (129dB). Features 1) Wide dynamic range: 129dB (Tone Bypass, VOL=MUTE, IHF-A) 2) Independent 6 channels for Master Volume (0 to -95 dB, MUTE 1dB/Step) Implementation of a resistance ladder type circuit reduces residual noise and shock sounds during switching. 3) Low current consumption achieved through utilization of BiCMOS processes 4) Maximum output voltage: 4.2Vrms (Vcc=7V, VEE=-7V, RL=10k) 5) Built-in 5ch independent input gain amplifier - useful for amplifying input signals 6) Built-in 2ch output port 7) 2-wire serial control (for both 3.3V and 5V) Applications AV receivers, home theater systems and mini-component systems Line up matrix Parameter Mode Selector Input Gain Volume Bass, Treble Number of Ports Package BD3813KS Yes 0 6 12dB 0 to -95dB 1dB/Step 14dB 2dB/Step 2 SQFP56 BD3815KS Yes 0 6 18dB 0 to -95dB 1dB/Step 14dB 2dB/Step 2 SQFP56
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1/17
2010.06 - Rev.A
BD3813KS,BD3815KS
Absolute maximum ratings (Ta=25) Parameter Power Supply Voltage Input Signal Voltage Power Dissipation Operating Temperature Range Storage Temperature Range
*1
Technical Note
Symbol VCC VEE VIN Pd Topr Tastg
Ratings 7.5*1 -7.5 VCC+0.3 to VEE-0.3 1000 *2 20 to 75 55 to 125
Unit V V mW C C
*2
Applying voltage only to the VCC side, even if within the specified power supply voltage range, may cause excessive current to flow, resulting in permanent damage to the IC. Therefore, when starting up the power supplies, VEE and VCC should either be powered ON simultaneously, or VEE first, followed by VCC. Please note the derating characteristics above Ta=25: 10mW/ (Mounted on a 70mmx70mmx1.6mm sized board).
Operating conditions (Normal function at Ta=25) Parameter Operating Supply Voltage Symbol VCC VEE Ratings Min. 5 -7.3 Typ. 7 -7 Max. 7.3 -5 Unit V
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2/17
2010.06 - Rev.A
BD3813KS,BD3815KS
Electrical Characteristics Ta=25, VCC=7V, VEE=-7V, f=1kHz, VIN=1Vrms, RL=10k, Rg=600 Input Gain=0dB, Master Volume=0dB, Bass bnd Treble=0dB, Unless otherwise noted. Limits Parameter Symbol Unit Min. Typ. Max. Circuit Current VCC VEE IQ -20 -2 10 -10 0 20 2 mA No signal
Technical Note
Conditions
Output Voltage Gain 1
Gv1
dB
Measure : Pin31, 29, 27, 25, 23, 21
Output Voltage Gain 2 Total Harmonic Distortion ratio 1 Total Harmonic Distortion ratio 2 Maximum Output Voltage 1
Gv2
-2
0
2
dB
Measure : Pin19 Measure : Pin31, 29, 27, 25, 23, 21 BW=40030kHz Measure : Pin19 BW=40030kHz Measure : Pin31, 29, 27, 25, 23, 21 THD=1% Measure : Pin19 THD=1% Measure : Pin 31,29 Rg=0, Tone: ON, BW=IHF-A Measure : Pin 31,29 Rg=0, Tone: By-pass, BW=IHF-A Measure : Pin 27,25,23,21 Rg=0, BW=IHF-A Measure : Pin 19 Rg=0, BW=IHF-A Measure : Pin29(OUTFL) Rg=0, BW=IHF-A Reference : Pin31(OUTFR)=1Vrms Measure : Pin31(OUTFR) Rg=0, BW=IHF-A Reference : Pin29(OUTFL)=1Vrms Measure : Pin 31,29,27,25, 23,21,19 Rg=0, BW=IHF-A Measure : Pin 31,29,27,25, 23,21,19 Rg=0, BW=IHF-A
THD1
0.004
0.05
%
THD2
0.004
0.05
%
Vomax1
3.4
4.2
Vrms
Total Output
Maximum Output Voltage 2
Vomax2
3.4
4.2 2.0 1.5 1.5
12 8.0 8.0
Vrms Vrms Vrms Vrms
Output Noise Voltage 1
Vno1
Output Noise Voltage 2
Vno2
Output Noise Voltage 3 Crosstalk between Channels RchLch Crosstalk between Channels LchRch Crosstalk between Selectors DVD Crosstalk between Selectors D/A
Vno3
1.0
5.0
Vrms
CTCRL
-95
-80
dB
CTCLR
-95
-80
dB
CTSA
-95
-80
dB
CTSB
-95
-80
dB
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3/17
2010.06 - Rev.A
BD3813KS,BD3815KS
Technical Note
Parameter Volume Control Range
Symbol GVR
Limits Min. -98 Typ. -95 Max. -92
Unit dB
Conditions Measure : Pin31, 29, 27, 25, 23, 21 Vin=3Vrms 0 to -53dB Measure : Pin31, 29, 27, 25, 23, 21 Vin=3Vrms -54 to -95dB Measure : Pin31, 29, 27, 25, 23, 21 Vin=3Vrms Measure : Pin31, 29, 27, 25, 23, 21 Vin=3Vrms, Volume=0dB BW=IHF-A Measure : Pin31, 29, 27, 25, 23, 21 Vin=3Vrms Measure : Pin31, 29, 27, 25, 23, 21, 19 Vin=0.4Vrms Measure : Pin31, 29, 27, 25, 23, 21, 19 Vin=0.4Vrms Measure : Pin31, 29, 27, 25, 23, 21, 19 Vin=0.4Vrms Measure : Pin31, 29, 27, 25, 23, 21, 19 Vin=0.4Vrms Measure : Pin 31, 29 f=15kHz, VIN=0.4Vrms Measure : Pin 31, 29 f=15kHz, VIN=0.4Vrms Measure : Pin 31, 29 f=15kHz, VIN=0.4Vrms Measure : Pin 31, 29 f=15kHz, VIN=0.4Vrms Measure : Pin 31, 29 f=100Hz, Vi=0.4Vrms Measure : Pin 31, 29 f=100Hz, VIN=0.4Vrms Measure : Pin 31, 29 f=100Hz, VIN=0.4Vrms Measure : Pin 31, 29 f=100Hz, VIN=0.4Vrms Measure : Pin11,12 VDD=5V, RL=47k
Volume Output
Volume Setting Error 1
VE1
-2
0
2
dB
Volume Setting Error 2
VE2
-3
0
3
dB
Channel Balance
VCB
-0.5
0
0.5
dB
Maximum Attenuation Input Gain Control Range (BD3813KS) Input Gain Input Gain Control Range (BD3815KS) Input Gain Setting Error (BD3813KS) Input Gain Setting Error (BD3815KS) Treble Maximum Boost Gain
Vmin
-115
-105
dB
GIG
10
12
14
dB
16
18
20
dB
GIE
-2
0
2
dB
-2
0
2
dB
GTB
12
14
16
dB
Treble
Treble Maximum Cut Gain
GTC
-16
-14
-12
dB
Treble Step Resolution
TR
2
dB
Treble Gain Setting Error
TE
-2
0
2
dB
Bass Maximum Boost Gain
GBB
12
14
16
dB
Bass Maximum Cut Gain Bass
GBC
-16
-14
-12
dB
Bass Step Resolution
BR
2
dB
Bass Gain Setting Error Port
BE
-2
0
2
dB
Port H Output
PH
4.5
4.9
V
* This product is not designed to be resistant against radiation
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4/17
2010.06 - Rev.A
BD3813KS,BD3815KS
Timing Chart 1) Signal Timing Conditions Data is read on the rising edge of the clock. Latch is read on the falling edge of the clock. The latch signal must terminate with the Low state. *To avoid malfunction, the clock and data signals must terminate with the Low state.
Technical Note
CL Clock
90%
90%
90%
90%
twc
10%
twc
10% 10%
thd
ts
th
tsd
thd
tsl
thl
DA Data Latch
90%
twd
90%
twh
10% 10%
90%
90%
twl
90%
Data
Data
10%
Latch
Terminate with Low
Fig.1
Parameter Minimum Clock Width Minimum Data Width Minimum Latch Width Low Hold Width Data Set-up Time (DataClock) Data Hold Time ( Clock Data ) Latch Set-up Time ( Clock Latch) Latch Hold Time ( Data Latch ) Latch Low Set-up Time Latch Low Hold Time
Symbol twc twd twl twh tsd thd tsl thl ts th
Limits Min. 2.0 2.0 2.0 2.0 1.0 1.0 1.0 1.0 1.0 1.0 Typ. Max.
Unit s s s s s s s s s s
2) Control Signal Voltage Conditions Parameter "H" Input Voltage "L" Input Voltage Condition Vcc=57.3V VEE=-5-7.3V Limits Min. 2.2 0 Typ. Max.(Vcc) 5.5 1.0 Unit V V
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5/17
2010.06 - Rev.A
BD3813KS,BD3815KS
3) Control Data Format - Basic Configuration Input direction MSB D16 Data D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3
Technical Note
LSB D2 D1 D0
Data
Select Address
Control Data Formats Input direction D16 Data 1 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 0 D3 1 D3 SW1 SW2 SW3 0:A 0:A 0:A 1:B 1:B 1:B D6 D5 * D5 D4 * D4
Select Address D2 0 D2 0 D2 0 D4 D3 D2 0 D4 D3 D2 0 D1 0 D1 0 D1 0 D1 1 D1 1 D0 0 D0 0 D0 1 D0 0 D0 1
Input Gain FR/FL D16 D15
Input Gain SR/SL D14 D13
Input Gain C D12 D11
Input Gain SW D10 D9
Input Gain SB D8 D7
Data 2 D16 Data 3 D16 Data 4 D16 Data 5
Treble D15 D14 D13 D12
Bass D11 D10 D9
Port A Port B TON 0:L 0:L E 1:H 1:H D8 D7 D6
Master Volume FRch D15 D14 D13 D12 D11 D10 D9 D8
Master Volume FLch D7 D6 D5
Master Volume SRch D15 D14 D13 D12 D11 D10 D9 D8
Master Volume SLch D7 D6 D5
Master Volume Cch
Master Volume SWch
Changing the Select Address settings allows selection of four different control formats. For Select Address, values except those shown above must not be specified. The address data must be initialized after every power ON. * Indicates 0 or 1. (Example) Input direction MSB LSB MSB Data1 L
LSB L
MSB Data 3
LSB MSB L Data 4
LSB L
MSB Data 5
LSB L
Data 2
"L" means latch.
After power ON, only the desired data can be set for the second and subsequent times,. (Example) When changing the bass, Input direction MSB LSB Data 2
"L" means latch.
L
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6/17
2010.06 - Rev.A
BD3813KS,BD3815KS
Application Circuit 1) BD3813KS / BD3815KS
Technical Note
10
10
4700p
4700p
0.1
4.7K 0.1
0.1
4.7K 0.1
OUTFR
OUTFL
42
41
40
39
38
37
36
35
34
33
32
31
30
29
INFRA 47K INFLA 47K INSWA
43
TONE
28
44
SW1 A B
27
OUTSW
DVD 6.1ch
47K INSRA 47K INSLA 47K INCA 47KK INSBA 47K
45
26
46 A 47 B
25
OUTSR
24
48
A B
23
OUTSL
49 SW2
22
INFRB 47K INFLB 47K INSWB
50 A 51 B
A B
21
OUTC
20 A 19 B 18 47 17 47 VCC
52 47K
A B
OUTSB
D/A 6.1ch
INSRB
47K
53 A A 54 B B
SW3
INSLB 47K INCB 47K INSBB 47K
55
A B LOGIC
16
VEE
56
15
VDD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
10
10
10
10 47K A
47K DA B CL
Units Resistor: Capacitor: F Fig. 2
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7/17
2010.06 - Rev.A
BD3813KS,BD3815KS
Pin Description Pin Pin No. Name 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 GND1 Ground pin
Technical Note
Description
Pin No. 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
Pin Name OUTFL GND9 Lch Output pin Ground pin
Description
GOUTSW Input Gain output for subwoofer pin VINSW Volume Input for subwoofer pin
OUTFR Rch Output pin GND10 Ground pin BNF2L BNF1L BNF2R BNF1R TNFL TNFR VINFR Lch Bass filter pin 2 Lch Bass filter pin 1 Rch Bass filter pin 2 Lch Bass filter pin 1 Lch Treble filter pin Rch Treble filter pin Rch Volume input pin
GOUTSR Input Gain output for surround Rch pin VINSR Volume Input for surround Rch pin
GOUTSL Input Gain output for surround Lch pin VINSL Volume Input for surround Lch pin
GOUTC Input Gain output for center speaker pin VINC GND2 Volume Input for center speaker pin Ground pin
PORTA Output for port pin PORTB Output for port pin DA CL VDD VEE GND3 VCC Serial data, latch input pin Serial clock input pin Power supply for port pin (-) Power supply pin Ground pin (+) Power supply pin
GOUTFR Rch Input gain output pin VINFL Lch Volume input pin
GOUTFL Lch Input gain output pin INFRA INFLA INSWA INSRA INSLA INCA INSBA INFRB INFLB INSWB INSRB INSLB INCB INSBB Input for Rch DVD pin Input for Lch DVD pin Input for SWch DVD pin Input for SRch DVD pin Input for SLch DVD pin Input for Cch DVD pin Input for SBch DVD pin Input for Rch DSP pin Input for Lch DSP pin Input for SWch DSP pin Input for SRch DSP pin Input for SLch DSP pin Input for Cch DSP pin Input for SBch DSP pin
OUTSB Surround back output pin GND4 OUTC GND5 Ground pin Center speaker output pin Ground pin
OUTSL Output for surround Lch pin GND6 Ground pin
OUTSR Output for surround Rch pin GND7 Ground pin
OUTSW Subwoofer output pin GND8 Ground pin
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8/17
2010.06 - Rev.A
BD3813KS,BD3815KS
Equivalent Circuits Pin No. Pin Name Pin Voltage
VCC
Technical Note
Equivalent Circuit
Description
2 4 6 8 40 42
GOUTSW GOUTSR GOUTSL GOUTC GOUTFR GOUTFL
0
Sound signal output pins from input gain
VEE
VCC
3 5 7 9 39 41
VINSW VINSR VINSL VINC VINFR VINFL
0
Sound signal input pins to master volume, Input Impedance: 20k (typ.)
VEE
VCC VDD
11 12
PORTA PORTB
Open drain output pins
VEE
VCC
13
DA
Serial data input pin
VEE
VCC
14
CL
Serial clock input pin
VEE
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9/17
2010.06 - Rev.A
BD3813KS,BD3815KS
Technical Note
Pin No.
Pin Name
Pin Voltage
VCC
Equivalent Circuit
Description
19 21 23 25 27 29 31
OUTSB OUTC OUTSL OUTSR OUTSW OUTFL OUTFR
0
Sound signal output pins
VEE
VCC
33 35
BNF2L BNF2R
0
Bass frequency characteristic/gain setting pins
VEE
VCC
34 36
BNF1L BNF1R
0
Bass frequency characteristic/gain setting pins
VEE
VCC
37 38
TNFL TNFR
0
Treble frequency characteristic/gain setting pins
VEE
43 44 45 46 47 48 49 50 51 52 53 54 55 56
INFRA INFLA INSWA INSRA INSLA INCA INSBA INFRB INFLB INSWB INSRB INSLB INCB INSBB
VCC
0
Sound signal input pins; Input impedances determined by external resistances
VEE
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10/17
2010.06 - Rev.A
BD3813KS,BD3815KS
Technical Note
Switch Description Output Input (SW1A SW2A SW3B FR FL SW FR FL C SB
SW2,3B (Default FR FL SW SR SL C SB
SW2B SW3A FR FL SW SR SL C C
FR FL SW SR SL C SB
SW1 SW2
A: Select input line A B: Select input line B A: Output the signals of the FR and FL inputs onto the Surround Outputs (SR, SL) Used when the source is stereo. B: Output the signals of the SR and SL inputs onto the Surround Outputs (SR, SL) Used when the source is 5.1ch or 6.1ch. A: Output the C input signal onto SB output Used when the source is 5.1ch with the 6.1ch speaker system installed. B: Output the SB input signal onto the SB output Used when the source is 6.1ch with the 6.1ch speaker system installed.
SW3
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11/17
2010.06 - Rev.A
BD3813KS,BD3815KS
Setting constants for tone control filters 1) Treble filter fc=1/2(R2)C (Hz)
IN + OUT
Technical Note
G=20log(R1+R2+Zc)/(R2+Zc) (dB) Zc=1/jC ()
R1 R2
Pin 37, 38 C
Fig.3
Standard Values of R1, R2 (Reference) Treble Boost Amount Cut Amount 0dB 2dB 4dB 6dB 8dB 10dB 12dB 14dB Resistance (k) Typ. R1 R2 0 4.1 7.3 10.3 12.3 14.0 15.4 16.5 20 15.9 12.7 9.7 7.7
G c 3dB G
G
6.0 4.6 3.5
3dB Fig.4
The actual boost/cut amounts may deviate from the standard values to some degree.
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12/17
2010.06 - Rev.A
BD3813KS,BD3815KS
Technical Note
2) Bass Filter
1
IN + R3 R2
f0 =
2 R1 R2 + R3 C1C2
(Hz)
Q=
1 C1+C2
C1C2R2 R1
Pin34, 36 C1 R1 C2
Pin33, 35
when C1=C2 R2+R3 R1 R3 R1 +2 (dB) +2
G = 20log
Fig. 5
Standard values of R2, R3 (Reference) (R1=4.7k, C1=C2=0.1F Resistance (k) Boost Amount Typ. Cut Amount R2 R3 0dB 2dB 4dB 6dB 8dB 10dB 12dB 14dB 0 10.8 19.3 26.0 31.2 35.4 38.4 41.0 41.0
G
G
30.2 21.7 15.0 9.8 5.6 2.6 0 To set the f0 and Q values of the Bass characteristics, refer to the external components of the Bass Filter shown in the upper-left figure. Bass Filter Feature
o G
Fig.6
The actual boost/cut amounts may deviate from the standard values in some degree.
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13/17
2010.06 - Rev.A
BD3813KS,BD3815KS
Reference Data
10
Technical Note
10
10 8 6 4
CIRCUIT CURRENT (mA)
8 6 4 2 0 -2 -4 -6 -8 -10 0 2 4
OUTPUT VOLTAGE (Vrms)
VCC
1
GAIN (dB)
2 0 -2 -4
0.1
VEE
0.01
-6 -8 -10
0.001 10 100 1000 10000 100000 0.001 0.01 0.1 1 10
6
8
10
POWER SUPPLY (V)
FREQUENCY (Hz)
INPUT VOLTAGE (Vrms)
Fig.7 Circuit Current - Power Supply
Fig.8 Voltage Gain - Frequency
Fig.9 Output Voltage - Input Voltage
10
20 15
20
+14dB
15 10
+14dB
1
10
THD+N (%)
GAIN (dB)
GAIN (dB)
0.1
5 0 -5 -10 -15
5 0 -5 -10 -15
0.01
-14+14dB 2dB/step
0.001
-14+14dB 2dB/step -14dB
10 100 1000 10000 100000
-14dB
10 100 1000 10000 100000
0.0001 0.001 0.01 0.1 1 10
-20
-20
INPUT VOLTAGE (Vrms)
FREQUENCY (Hz)
FREQUENCY (Hz)
Fig.10 THD+N -Input Voltage
Fig.11 Bass Gain - Frequency
Fig.12 Treble Gain - Frequency
20 15 10
20
6
6dB
10
6dB 0dB
PORT VOLTAGE (V)
12dB
15
18dB
5 4 3 2 1 0
GAIN (dB)
GAIN (dB)
5 0 -5 -10 -15 -20 10 100 1000 10000 100000
5 0 -5 -10 -15 -20 10 100 1000 10000 100000
0dB
1
10
100
FREQUENCY (Hz)
FREQUENCY (Hz)
IMPEDANCE (k )
Fig.13 Input Gain - Frequency (BD3813KS)
Fig.14 Input Gain - Frequency (BD3815KS)
Fig.15 Port H Voltage - Load Resistance
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14/17
2010.06 - Rev.A
BD3813KS,BD3815KS
Notes for use (1) The numbers and data shown above are representative design values and are not guaranteed.
Technical Note
(2) Although the sample application circuits are guaranteed, further verification of the electrical characteristics are recommended. When modifying external components before use, ensure that sufficient margins are in place by taking into account variations in the external components themselves as well as the LSI regarding both static and transient characteristics. (3) Absolute maximum ratings Operating or testing the IC over the maximum ratings may damage the part itself as well as peripheral components. Therefore, please ensure that the specifications are never exceeded. In addition, implementation of fuses or other physical safety measures is recommended. (4) VEE potential Ensure that the VEE pin voltage is at the lowest potential and that no other pin is at a lower voltage, including transient phenomena. (5) Thermal design Implement thermal designs that take into account the power dissipation under actual operating conditions. (6) Shorts between pins and erroneous installation Incorrect mounting may damage the IC. In addition, the presence of foreign particles between the pins, a pin and the power supply, or a pin and GND may result in destruction. (7) Operation in a strong magnetic field Operation in a strong magnetic field may cause malfunction. (8) Serial control The wiring pattern of the CL and DA terminals should be routed so as not to cause interference with the analog signal related lines. (9) Power ON/OFF (a) During power ON/OFF a shock sound will be generated. Therefore, use the MUTE function. (b) When turning ON the power supplies, VEE and VCC should either be powered on simultaneously, or VEE first, followed by VCC, since if VCC is started up first, an excessive current may pass VCC through to VEE. (10) Function switching For functions except the Master Volume, Treble and Bass controls, use of the MUTE function is recommended. (11) Port power supply The port power supply should be turned ON following VCC and VEE. If the port is not used, the port power supply must be connected to VEE.
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15/17
2010.06 - Rev.A
BD3813KS,BD3815KS
Thermal Derating Curve
1200 1000mW 1000 Power Dissipation Pd mW)
Technical Note
800
600
400
200
0 0 25 50 Ta( ) 75 100 125
Fig. 16 BD3813KS, BD3815KS Board size: 70mm x 70mm x 1.6mm Raw material: FR4 glass epoxy board (copper area less than 3%)
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16/17
2010.06 - Rev.A
BD3813KS,BD3815KS
Ordering part number
Technical Note
B
D
3
Part No. 3813 3815
8
1
3
K
S
Packaging and forming specification None :Tray
Part No.
Package KS: SQFP56
SQFP56
12.4 0.3 10.0 0.2
42 43 29 28

Container Quantity Tray 1000pcs
Direction of feed Direction of product is fixed in a tray
12.4 0.3
10.0 0.2
0.5
56 1 14
15
1pin
2.15 0.1
0.15 0.1
0.05
0.15 0.65 0.3 0.1
(Unit : mm)
Order quantity needs to be multiple of the minimum quantity.
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17/17
2010.06 - Rev.A
Notice
Notes
No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). If you wish to use any such Product, please be sure to refer to the specifications, which can be obtained from ROHM upon request. Examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production. Great care was taken in ensuring the accuracy of the information specified in this document. However, should you incur any damage arising from any inaccuracy or misprint of such information, ROHM shall bear no responsibility for such damage. The technical information specified herein is intended only to show the typical functions of and examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by ROHM and other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. The Products specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, communication devices, electronic appliances and amusement devices). The Products specified in this document are not designed to be radiation tolerant. While ROHM always makes efforts to enhance the quality and reliability of its Products, a Product may fail or malfunction for a variety of reasons. Please be sure to implement in your equipment using the Products safety measures to guard against the possibility of physical injury, fire or any other damage caused in the event of the failure of any Product, such as derating, redundancy, fire control and fail-safe designs. ROHM shall bear no responsibility whatsoever for your use of any Product outside of the prescribed scope or not in accordance with the instruction manual. The Products are not designed or manufactured to be used with any equipment, device or system which requires an extremely high level of reliability the failure or malfunction of which may result in a direct threat to human life or create a risk of human injury (such as a medical instrument, transportation equipment, aerospace machinery, nuclear-reactor controller, fuelcontroller or other safety device). ROHM shall bear no responsibility in any way for use of any of the Products for the above special purposes. If a Product is intended to be used for any such special purpose, please contact a ROHM sales representative before purchasing. If you intend to export or ship overseas any Product or technology specified herein that may be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to obtain a license or permit under the Law.
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R1010A

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Price & Availability of BD3813KS1

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