參數(shù)資料
型號(hào): NJW1143M
廠商: New Japan Radio Co., Ltd.
英文描述: AUDIO PROCESSOR
中文描述: 音頻處理器
文件頁(yè)數(shù): 1/17頁(yè)
文件大?。?/td> 171K
代理商: NJW1143M
NJW1143
- 1 -
AUDIO PROCESSOR
I
GENERAL DESCRIPTION
I
PACKAGE OUTLINE
The
NJW1143
is an audio processor which includes volume,
balance, tone control, surround, simulated stereo and AGC
function.
Also the
NJW1143
features high precision characteristics about
channel balance, it is less than ±1.0dB at –70dB attenuation.
All of internal status and variables are controlled by I
2
C BUS.
Selectable 4-slave address is applicable to multi-speaker system.
It is suitable for any TV set.
I
FEATURES
G
Operating Voltage 8 to 13V
G
I
2
C BUS Interface
(Fast mode applicable, Selectable 4-Slave address, 3V I/F applicable)
G
Low Output Noise
G
AGC Circuit (Selectable 4-stage compression level via I
2
C BUS)
G
"eala" (NJRC Surround)
G
Simulated Surround
G
Bi-CMOS Technology
G
Package Outline DMP24
I
BLOCK DIAGRAM
NJW1143M
Bias
VOL2
AGC
OUTa
OUTb
CVO
CBA
CTH
CTL
CSR
GND
V+
Vref
SCL
SDA
VOL2
VOL1
VOL1
INa
INb
TONE
TONE
AUX0
AUX1
TONE
-Hb
TONE
-Lb
TONE
-Ha
TONE
-La
eala
&
Simulate
Stereo
SRFIL
ADR1
ADR0
AGC
I
2
C Bus
Interface
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