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参数资料
| 型号： | LC75397E |
| 元件分类： | 音频控制 |
| 英文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PQFP64 |
| 封装： | QFP-64 |
| 文件页数： | 1/26页 |
| 文件大小： | 578K |
| 代理商： | LC75397E |
Ordering number : EN6108
40799RM (OT) No. 6108-1/26
CCB is a trademark of SANYO ELECTRIC CO., LTD.
CCB is SANYO’s original bus format and all the bus addresses are controlled by SANYO.
Overview
The LC75397 is an electronic volume control system providing control over volume, balance, 4-band equalizer, bass, and
input switching based on serial inputs.
Functions
Volume control:
The chip provides 81 levels of volume attenuation: in 1-dB step between 0 dB and –79 dB and –
∞.
This circuit can control a total of 5 independent channels.
Equalizer:
The chip provides control in 2-dB steps over the range between +10 dB and –10 dB. Three of the four bands have
peaking equalization; the remaining one, shelving equalization.
Selector:
The left and right channels each offer a choice of six inputs. The L6 and R6 inputs can be turned on and off
independently. An external constant determines the amplification for the input signal.
Input gain:
The input signal can be amplified by 0 to +30 dB in 2-dB steps.
Bass control:
The bass can be controlled over a ±10 dB range in 2-dB steps.
Features
Built-in buffer amplifiers reduce the number of external parts required.
Silicon gate CMOS process reduces the noise of built-in switch.
Built-in analog ground reference voltage generator circuit
All functions are controlled by serial input data. This IC supports the CCB standard.
SANYO Semiconductors
DATA SHEET
Any and all SANYO Semiconductor products described or contained herein do not have specifications
that can handle applications that require extremely high levels of reliability, such as life-support systems,
aircraft's control systems, or other applications whose failure can be reasonably expected to result in
serious physical and/or material damage. Consult with your SANYO Semiconductor representative
nearest you before using any SANYO Semiconductor products described or contained herein in such
applications.
SANYO Semiconductor assumes no responsibility for equipment failures that result from using products
at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition
ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor
products described or contained herein.
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
LC75397E
CMOS IC
Single Chip Electronic Volume
and Tone Control System
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