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參數(shù)資料
| 型號(hào)： | LC75396NE |
| 元件分類(lèi)： | 音頻控制 |
| 英文描述： | 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PQFP64 |
| 封裝： | QFP-64 |
| 文件頁(yè)數(shù)： | 1/19頁(yè) |
| 文件大小： | 470K |
| 代理商： | LC75396NE |
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Overview
The LC75396NE is an electronic volume control system
providing control over volume, balance, 5-band equalizer,
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 –
∞.
Independent control over left front/rear and right
front/rear channels provides balance control.
Equalizer:
The chip provides control in 2-dB steps over the range
between +10 dB and –10 dB. Four of the five bands
have peaking equalization; the remaining one, shelving
equalization.
Selector:
The left and right channels each offer a choice of five
inputs. The L5 and R5 inputs can be turned on and off
independently. An external constant determines the
amplification for the input signal.
Serial data input
— Supports CCB* format communication with the
system controller.
Features
Built-in buffer amplifiers reduce the number of external
parts required.
Silicon gate CMOS process reduces the noise of built-in
switch.
V
DD/2 reference voltage generation circuit built in.
Package Dimensions
unit: mm
3159-QFP64E
CMOS IC
50698RM (OT) No. 5914-1/19
SANYO: QFP64E
[LC75396NE]
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
Single-Chip Electronic Volume Control System
LC75396NE
Ordering number : EN5914
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.
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VDD max
VDD
11
V
Maximum input voltage
VIN max
CL, DI, CE, L1 to L5, R1 to R5, LTIN, RTIN, LFIN, RFIN,
VSS – 0.3 to
V
LRIN, RRIN
VDD + 0.3
Allowable power dissipation
Pd max
Ta
≤ 75°C, with PC board
550
mW
Operating temperature
Topr
–30 to +75
°C
Storage temperature
Tstg
–40 to +125
°C
Specifications
Absolute Maximum Ratings at Ta = 25°C, V
SS = 0 V
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