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PDF NJW1152 Data sheet ( Hoja de datos )
| Número de pieza | NJW1152 | |
| Descripción | SOUND PROCESSOR with SOUND ENHANCEMENT | |
| Fabricantes | New Japan Radio | |
| Logotipo |  |
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NJW1152
PRELIMINARY
SOUND PROCESSOR with SOUND ENHANCEMENT
s GENERAL DESCRIPTION
The NJW1152 is a sound processor with sound
enhancement (BBE). It includes all of functions processing
audio signal for TV, such as tone control, balance, volume,
mute, and AGC functions.
Also the NJW1152 performs surround and sound
enhancement. The sound enhancement regenerates high
definitive and nearly real sound.
All of internal status and variables are controlled by I2C
BUS Interface.
s PACKAGE OUTLINE
NJW1152G
s FEATURES
q Operating Voltage
8 to 13V
q I2C BUS Interface
q Low Noise Master Volume
q BBE Sound Enhancement (Low Boost and High Boost: 12dB max.)
q AGC circuit.
q Original 3D Surround/Simulated Stereo
q Bi-CMOS Technology
q Package Outline
SOP40
s BLOCK DIAGRAM
VOL1
AGC
NJRC
Surround
&
Sim ulated
Stere o
VOL1
BBE
BBE
TONE
TONE
VOL2
Control
Logic
VOL2
BIAS
-1-
1 page  
NJW1152
s I2C BUS BLOCK CHARACTERISTICS (SDA,SCL)
PARAMETER
High Level Input Voltage
Low Level Input Voltage
High Level Input Current
Low Level Input Current
Low Level Output Voltage (3mA at SDA pin)
Maximum Output Current
Maximum Clock Frequency
Data Change Minimum Waiting Time
Data Transfer Start Minimum Waiting Time
Low Level Clock Pulse Width
High Level Clock Pulse Width
Minimum Start Preparation Waiting Time
Minimum Data Hold Time
Minimum Data Preparation Time
Rise Time
Fall Time
Minimum Stop Preparation Waiting Time
SYMBOL
VIH
VIL
IIH
IIL
VOL
IOL
fSCL
tBUF
tHD:STA
tLOW
THIGH
tSU:STA
tHD:DAT
tSU:DAT
tR
tF
tSU:STO
I2C BUS Load Condition: Pull up resistance 4kΩ (Connected to +5V)
Load capacitance 200pF (Connected to GND)
MIN.
3.0
0
-
-
0
-3.0
0
4.7
4.0
4.7
4.0
4.7
5.0
250
-
-
4.7
TYP.
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
MAX.
5.0
1.5
10
10
0.4
-
100
-
-
-
-
-
-
-
1.0
300
-
UNIT
V
V
µA
µA
dB
mA
kHz
µs
µs
µs
µs
µs
µs
ns
µs
ns
µs
SDA
tBU
SCL
tR
tHD:ST tLOW
PS
tF
tHD:DA
tHIGH
tSU:DA
tHD:ST
tSU:ST
Sr
tSU:ST
P
-5-
5 Page 
s APPLICATION CIRCUIT
1
GND
+2
0.47 uFAGC
+3
a-ch IN
1 uF BTC
+4
4.7 uF INa
5
5.6 nF PS1
6
aHC1
3.3 nF
7
aHC2
+8
1uF aHC3
9
aLC1
33 nF
10
aLC2
+ 11
4.7 uF aLC3
12
4.7 nF TONE-Ha
TONE-La1 13
470 nF
14
TONE-La2
4.7uF + 15
TONE-La3
TONE -outa
16
+
4.7uF
17
EVR-INa
a-ch OUT
+ 18
4.7uF OUTa
19
AUX1
20
AUX0
100 uF +
AGC
Bias
Volume 1
Volume 1
Surround
BBE
BBE
Tone
Tone
Volume 2a
Volume 2b
I2C Interface
Internal Switch
Control
NJW1152
40
Vcc
39 +
V+
VREF 10 uF
38 +
PS2 1 uF
37 +
b-ch IN
INb 4.7 uF
36
PS3 27 nF
35
bHC1
34 3.3 nF
bHC2
33 +
bHC3 1uF
32
bLC1
31
33 nF
bLC2
30 +
bLC3 4.7uF
29
TONE-Hb 4.7 nF
28 TONE-Lb1
27 470 nF
TONE-Lb2
26 + 4.7uF
TONE-Lb3
25 TONE-outb
+
4.7uF
24
EVR-INb
23 +
b-ch OUT
OUTb 4.7uF
22
SDA
SDA
21
SCL
SCL
- 11 -
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet NJW1152.PDF ] | |
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