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參數(shù)資料
| 型號： | LC75397E |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | Single Chip Electronic Volume and Tone Control System(單片電子音量和音調(diào)控制系統(tǒng)) |
| 中文描述： | 單芯片電子音量和音調(diào)控制系統(tǒng)（單片電子音量和音調(diào)控制系統(tǒng)） |
| 文件頁數(shù)： | 1/26頁 |
| 文件大?。?/td> | 561K |
| 代理商： | LC75397E |
Ordering number : EN6108
40799RM (OT) No. 6108-1/26
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.
Package Dimensions
unit: mm
3159-QFP64E
14.0
17.2
1.0
1.0
1.6
0.15
0.35
0.1
2.7
15.6
0.8
0.8
3
1
16
17
32
33
48
49
64
1
1
1
1
1
0
SANYO: QFP64E (QIP64E)
[LC75397]
LC75397E
SANYO Electric Co.,Ltd. Semiconductor Company
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Single Chip Electronic Volume and Tone Control System
CMOS IC
Any and all SANYO 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 representative nearest you before using
any SANYO products described or contained herein in such applications.
SANYO 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 products described or contained
herein.
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.
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