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BD3813KS-E2

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18
Technical Note
4/17
www.rohm.com
2010.06 - Rev.A
© 2010 ROHM Co., Ltd. All rights reserved.
BD3813KS,BD3815KS
Parameter Symbol
Limits
Unit Conditions
Min. Typ. Max.
Volume Output
Volume Control Range GVR -98 -95 -92 dB
Measure : Pin31, 29, 27, 25, 23, 21
Vin=3Vrms
Volume Setting Error 1 VE1 -2 0 2 dB
0 to –53dB
Measure : Pin31, 29, 27, 25, 23, 21
Vin=3Vrms
Volume Setting Error 2 VE2 -3 0 3 dB
-54 to –95dB
Measure : Pin31, 29, 27, 25, 23, 21
Vin=3Vrms
Channel Balance VCB -0.5 0 0.5 dB
Measure : Pin31, 29, 27, 25, 23, 21
Vin=3Vrms, Volume=0dB
Maximum Attenuation Vmin ― -115 -105 dB
BW=IHF-A
Measure : Pin31, 29, 27, 25, 23, 21
Vin=3Vrms
Input Gain
Input Gain Control Range
(BD3813KS)
GIG 10 12 14 dB
Measure : Pin31, 29, 27, 25, 23, 21, 19
Vin=0.4Vrms
Input Gain Control Range
(BD3815KS)
16 18 20 dB
Measure : Pin31, 29, 27, 25, 23, 21, 19
Vin=0.4Vrms
Input Gain Setting Error
(BD3813KS)
GIE -2 0 2 dB
Measure : Pin31, 29, 27, 25, 23, 21, 19
Vin=0.4Vrms
Input Gain Setting Error
(BD3815KS)
-2 0 2 dB
Measure : Pin31, 29, 27, 25, 23, 21, 19
Vin=0.4Vrms
Treble
Treble Maximum Boost Gain GTB 12 14 16 dB
Measure : Pin 31, 29
f=15kHz, VIN=0.4Vrms
Treble Maximum Cut Gain GTC -16 -14 -12 dB
Measure : Pin 31, 29
f=15kHz, VIN=0.4Vrms
Treble Step Resolution TR ― 2 ― dB
Measure : Pin 31, 29
f=15kHz, VIN=0.4Vrms
Treble Gain Setting Error TE -2 0 2 dB
Measure : Pin 31, 29
f=15kHz, VIN=0.4Vrms
Bass
Bass Maximum Boost Gain GBB 12 14 16 dB
Measure : Pin 31, 29
f=100Hz, Vi=0.4Vrms
Bass Maximum Cut Gain GBC -16 -14 -12 dB
Measure : Pin 31, 29
f=100Hz, VIN=0.4Vrms
Bass Step Resolution BR ― 2 ― dB
Measure : Pin 31, 29
f=100Hz, VIN=0.4Vrms
Bass Gain Setting Error BE -2 0 2 dB
Measure : Pin 31, 29
f=100Hz, VIN=0.4Vrms
Port
Port H Output PH 4.5 4.9 ― V
Measure : Pin11,12
VDD=5V, RL=47kΩ
* This product is not designed to be resistant against radiation
Technical Note
5/17
www.rohm.com
2010.06 - Rev.A
© 2010 ROHM Co., Ltd. All rights reserved.
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.
Fig.1
Parameter Symbol
Limits
Unit
Min. Typ. Max.
Minimum Clock Width twc 2.0 µs
Minimum Data Width twd 2.0 µs
Minimum Latch Width twl 2.0 µs
Low Hold Width twh 2.0 µs
Data Set-up Time (DataClock) tsd 1.0 µs
Data Hold Time ( Clock Data ) thd 1.0 µs
Latch Set-up Time ( Clock Latch) tsl 1.0 µs
Latch Hold Time ( Data Latch ) thl 1.0 µs
Latch Low Set-up Time ts 1.0 µs
Latch Low Hold Time th 1.0 µs
2) Control Signal Voltage Conditions
Parameter
Condition
Limits
Unit
Min. Typ. Max.(≤Vcc)
“H” Input Voltage
Vcc=57.3V
V
EE
=-5-7.3V
2.2 5.5 V
“L” Input Voltage 0 1.0 V
CL
（Clock）
DA
Data
Latch
thd thdth ts tsl thl tsd
twc
twh
twd
twl
Data Data
Latch
90% 90% 90% 90%
10% 10% 10%
90% 90% 90%
90% 90%
10%
10% 10%
twc
Terminate
with Low
Technical Note
6/17
www.rohm.com
2010.06 - Rev.A
© 2010 ROHM Co., Ltd. All rights reserved.
BD3813KS,BD3815KS
3) Control Data Format - Basic Configuration
Input direction
MSB LSB
Data
D16 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Data Select Address
・Control Data Formats
Input direction
Select Address
Data
1
D16 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Input Gain
FR/FL
Input Gain
SR/SL
Input Gain
C
Input Gain
SW
Input Gain
SB
SW1
0:A
1:B
SW2
0:A
1:B
SW3
0:A
1:B
0 0 0 0
Data
2
D16 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Treble Bass
TON
E
Port A
0:L
1:H
Port B
0:L
1:H
* * 1 0 0 0
Data
3
D16 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Master Volume FRch Master Volume FLch 0 0 1
Data
4
D16 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Master Volume SRch Master Volume SLch 0 1 0
Data
5
D16 D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Master Volume Cch Master Volume SWch 0 1 1
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 LSB MSB LSB MSB LSB MSB LSB
Data1 L Data 2 L Data 3 L Data 4 L Data 5 L
“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
“L” means latch.
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18

BD3813KS-E2

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Audio Amplifiers 10V-14.6V 2-wire BASS, Treble
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