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BD3818KS

Description
Audio Amplifiers 3-Phase Brushless Fan Motor Controller
CategoryAnalog mixed-signal IC    Consumption circuit   
File Size620KB,21 Pages
ManufacturerROHM Semiconductor
Websitehttps://www.rohm.com/
Environmental Compliance
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BD3818KS Overview

Audio Amplifiers 3-Phase Brushless Fan Motor Controller

BD3818KS Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerROHM Semiconductor
Parts packaging codeQFP
package instructionQFP, QFP80,.64SQ
Contacts80
Reach Compliance Codecompliant
ECCN codeEAR99
channel separation100 dB
Commercial integrated circuit typesTONE CONTROL CIRCUIT
harmonic distortion0.003%
JESD-30 codeS-PQFP-G80
JESD-609 codee2
length14 mm
Number of frequency bands2
Number of channels6
Number of functions1
Number of terminals80
Maximum operating temperature75 °C
Minimum operating temperature-20 °C
Package body materialPLASTIC/EPOXY
encapsulated codeQFP
Encapsulate equivalent codeQFP80,.64SQ
Package shapeSQUARE
Package formFLATPACK
Peak Reflow Temperature (Celsius)260
power supply+-7 V
Certification statusNot Qualified
Maximum seat height2.8 mm
Maximum slew rate40 mA
Maximum supply voltage (Vsup)7.4 V
Minimum supply voltage (Vsup)5 V
surface mountYES
technologyBICMOS
Temperature levelCOMMERCIAL EXTENDED
Terminal surfaceTIN COPPER
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationQUAD
Maximum time at peak reflow temperature10
width14 mm
Sound Processors for Home Theater Systems
5.1ch
Sound Processor
BD3811K1,BD3818KS
No.10081EAT02
●Description
BD3811K1 and BD3818KS are 5.1ch sound processors, with built-in Mode Selector/Input Selector. Functions, including
6-ch Volume, Gain Amp, Bass, Treble, Mixing (BD3818KS), Dynamic Bass Boost (BD3818KS) and Bass Boost (BD3811K1)
are integrated into a single chip.
●Features
1) Independent 6 channels for Master Volume (0 to -103dB, 1dB/Step, MUTE, BD3811K1)
(0 to -95dB 1dB/Step, MUTE, BD3818KS)
Implementation of a resistance ladder type circuit reduces residual noise and a shock sound at switching.
2) Low current consumption design achieved by adopting the BiCMOS process
3) Maximum output voltage (BD3818KS): 4.3Vrms (Vcc=7V, VEE=-7V, RL=10kΩ)
Maximum output voltage (BD3811K1): 4.2Vrms (Vcc=7V, VEE=-7V, RL=10kΩ)
4) Built-in Input Gain Amp useful for adjusting the output signal voltages
5) Built-in Operational Amplifier useful for filter construction (BD3818KS)
6) Built-in Dynamic Bass Boost circuit (BD3818KS)
7) 2-wire serial control (BD3818KS for 5V, BD3811K1 for both 3.3V and 5V)
8) Built-in Output Gain Amp useful for adjusting the output signal voltages (BD3811K1)
9) REC output terminal with a REC input/output switch useful for monitoring Equalizer Amp (BD3811K1)
10) Output mute controlled by either serial data or an external control terminal
●Applications
AV receivers, home theater systems and mini-audio systems.
●Line
up matrix
Parameter
Input Selector
Input Gain
Volume
Bass, Treble
Output Gain
Mixing
Bass Boost
Package
8 inputs
2Step
0 to -103dB 1dB/Step
14dB
2dB/Step
0, 6 to 18dB 2dB/Step
No
0 to 12dB, 4dB/Step
QFP80
BD3811K1
5 inputs
4 Step or 2 Step
0 to -95dB 1dB/Step
14dB
2dB/Step
Variable depending on the external resistance
Yes
0 to 12dB, 4dB/Step
Dynamic type
SQFP80
BD3818KS
www.rohm.com
© 2010 ROHM Co., Ltd. All rights reserved.
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