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PDF NJW1168 Data sheet ( Hoja de datos )
| Número de pieza | NJW1168 | |
| Descripción | AUDIO PROCESSOR | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NJW1168 (archivo pdf) en la parte inferior de esta página. Total 34 Páginas | ||
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PRELIMINARY
NJW1168
AUDIO PROCESSOR with Input Selector and Subwoofer Output
www.datasheet4u.com
s GENERAL DESCRIPTION
The NJW1168 is a sound processor with subwoofer
output includes all of functions processing audio signal for
TV, such as input selector, tone control, balance, volume,
mute, and AGC functions.
Also the NJW1168 includes the LPF for subwoofer output
and bass boost function.
The eala reproduces a natural surround sound with clear
vocal orientation. And also, voice enhancement gives clear
sound such as dialogs.
All of internal status and variables are controlled by I2C
BUS interface.
s PACKAGE OUTLINE
NJW1168L
s FEATURES
q Operating Voltage
7.5 to 13V
q 3ch Output(Lch, Rch, Subwoofer ch) / 2ch Output(Lch, Rch)
q 4ch Input Selector
q LPF Filter (Adjustable cut off frequency by external parts)
q AGC Circuit (It reduces volume difference among input sources.)
Adjustable AGC compression level by I2C BUS
q eala(NJRC Original Surround System)
q Simulated Stereo
q Voice Enhancement System
q I2C BUS Interface
q Bi-CMOS Technology
q Package Outline
SDIP42
s BLOCK DIAGRAM
VOL1
VOL1
Tone
LPF
Tone
VOL2
VOL2
Trimmer
LPF
VOL2
Bias
-1-
1 page  
PRELIMINARY
NJW1168
x VOICE ENHANCEMENT
PARAMETER
SYMBOL
www.daVtoaischeeeEt4nuh.acnomcement
Gain 1
Voice Enhancement
Gain 2
Voice Enhancement
Gain 3
x AUX
VEGAIN1
VEGAIN2
VEGAIN3
AUX0 Output Voltage
VAUX0
AUX1 Output Voltage
VAUX1
Condition
Input
INa INb
f=5kHz, VE1
Voice Enhancement Effect 1
f=5kHz, VE2
Voice Enhancement Effect 2
f=5kHz, VE3
Voice Enhancement Effect 3
Vin Vin
Vin Vin
Vin Vin
Vin Vin
Vin Vin
Vin Vin
Logic Output : High
Logic Output : Mid
Logic Output : Low
Logic Output : High
Logic Output : Low
--
--
Output MIN.
OUTa
OUTb
OUTa
OUTb
OUTa
OUTb
3.5
7.5
11.5
4.5
- 2.0
0
-
3.5
0
TYP.
6.0
10.0
13.0
-
-
-
-
-
MAX.
8.5
12.5
15.5
5.5
3.0
0.5
V+
0.5
UNIT
dB
dB
dB
V
V
-5-
5 Page 
PRELIMINARY
NJW1168
PIN
NO.
SYMBOL
25 CTH
www.datasheet4u.com
24 CTL
FUNCTION
Tone Control Treble
switching noise
rejection Capacitor
Tone Control Bass
switching noise
rejection Capacitor
EQUIVALENT CIRCUIT
36k
TERMINAL
VOLTAGE
V+/2
16 CVa Ach Volume switching
noise rejection
Capacitor
27 CVb Bch Volume switching
noise rejection
Capacitor
26 CVw SWch Trimmer
switching noise
rejection Capacitor
36 LF2 Low Pass Filter
Capacitor 2
37 LF3 Low Pass Filter
Capacitor 3
8k
4k
V+/2
V+/2+0.7V
7 LF1 Low Pass Filter
Capacitor 1
24k
V+/2
-11-
11 Page | ||
| Páginas | Total 34 Páginas | |
| PDF Descargar | [ Datasheet NJW1168.PDF ] | |
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