SC9153 SL, SC9153 Datasheet
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SC9153 Summary of contents
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... ELECTRONIC VOLUME CONTROLLER DESCRIPTION The SC9153 is CMOS IC which has been designed for electronization volume control of audio equipment,etc. FEATURES * Wide operating voltage range(V www.DataSheet4U.com * Low current comsumption. * Attenuation can be controlled from 0dB to –66dB by 2dB/step * Both of dual power suppliers of (+) and (-) and a single power supply can be used ...
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... =4V,INH=” L” RATT-1 R-IN1(L-IN1) ~ A-GND RATT-2 R-IN2(L-IN2) ~ A-GND V Biase V /2= ATT=-10dB, f =1kHz, in THD Vin=1.0Vp step DCO f OSC SC9153 Unit V +0. Min. Typ. Max. Unit +0 -0.3 ...
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... Inhibit terminal. When this terminal is at “ L” level, all input/output cut off and the SC9153 is placed in the inhibit state. When at “ H” level, the SC9153 operates normally. DC current output for displaying attenuation. Attenuation 0dB~ is divided into 13 steps and approx 100 A/step is transmitted ...
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... DESCRIPTION OF OPERATION 1. SETTING OF ATTENUATION On the SC9153, attenuation can be increased/decreased according to the stae of U/D terminal ” H” or “ L” level ) by actuating the build-in oscillator. The attenuation is automatically set at the -40dB positions when power is applied. www.DataSheet4U.com When the UP key is pressed after power ON, the U/D terminal is place in the UP state at “ H” level, and the oscillator is actuated. When the DOWN key is pressed, the U/D terminal is kept at “ ...
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... R1 -20 R1 -30 R1 -40 R1 -50 R1 -60 R1 Attenuator-1 A-GND R1=50k (typical) R2=20k (typical) If there is possibility for excessive voltage being to the attenuator recommended to insert a protected diode as illustrated below. SC9153 0 IN2 OUT2 -¡Þ Attenuator-2 Rev:2.2 2007.05.10 Page ...
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... SINGLE POWER SUPPLY www.DataSheet4U.com 5. BACKUP WHEN POWER OFF On the SC9153, when the INH terminal is set at “ L” level, all input/output terminal are shut off and current consumption is reduced to the minimum. The backup by means of a capacitor become possible in this condition. An example of application, when a backup capacitor is used, is shown right ...
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... APPLICATION CIRCUIT (L-CH ONLY) www.DataSheet4U.com HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn SC9153 Rev:2.2 2007.05.10 Page ...
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... Persons at a work bench should be earthed via a wrist strap. Equipment cases should be earthed. All tools used during assembly, including soldering tools and solder baths, must be earthed. MOS devices should be packed for dispatch in antistatic/conductive containers. HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn SC9153 UNIT: mm Rev:2.2 2007.05.10 Page ...
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... HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV Description 1.0 Original 2.0 “ SC9153A” change to “ SC9153” 2.1 Modify the “ ELECTRICAL CHARACTERISTICS” Modify the “ PIN DESCRIPTION” and “ FUNCTION 2.2 DESCRIPTION” SC9153 Page Rev:2.2 2007.05.10 Page ...