NJW1180
Audio Processor with SRS WOW
s
GENERAL DESCRIPTION
The
NJW1180
is an audio processor with SRS WOW. It includes
all of functions processing audio signal for TV, such as volume,
balance, tone control and 4ch input selector. All of internal status
2
and variables are controlled by I C BUS.
s
PACKAGE OUTLINE
s
FEATURES
q
Operating Voltage
8 to 13 V
q
SRS WOW (including SRS 3D, FOCUS and TruBass function)
q
Simulated Stereo
q
4ch Input Selector
q
Volume
0 to -80dB (0.5dB/step), MUTE
q
Balance
0 to -30dB (1dB/step), MUTE
q
Tone Control
-15dB to +15dB(1dB/step)
2
q
I C BUS Interface
q
Bi-CMOS Technology
q
Package Outline
QFP48-P1
NJW1180FP1
s
BLOCK DIAGRAM
FCSFIL1a
FCSFIL2a
Tone-Ha
Tone-La
TBFIL1
TBFIL2
TBFIL3
TBFIL4
TBFIL5
TBFIL6
TBFIL7
MONa
AGC
OUTa
SDA
SCL
IN1a
IN2a
IN3a
IN4a
AGC
SEL
VOL1
Tone
VOL2
CVO
CBA
CTH
Logic
CTL
CSR
CTB
WOW/Simulated
(FOCUS/TruBass/SRS 3D)
VOL2
IN1b
IN2b
IN3b
IN4b
SEL
VOL1
Tone
VOL2
Bias
CFCS
V+
GND
LPFOUT
OUTw
VREFIN
RECFIL
VREFOUT
FCSFIL1b
FCSFIL2b
MONb
SRSFIL1
SRSFIL2
LPF1
LPF2
Tone-Hb
Tone-Lb
OUTb
–1–
NJW1180
s
PIN FUNCTION
38
25
39
24
48
15
1
14
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
SYMBOL
OUTw
SRSFIL1
CSR
FCSFIL1a
FCSFIL2a
CFCS
IN1a
IN2a
IN3a
IN4a
MONa
TONE-Ha
TONE-La
OUTa
CTH
CTL
SDA
SCL
GND
V+
VREFOUT
VREFIN
CVO
CBA
FUNCTION
Sub Woofer ch Output
Surround Filter
Pop Noise Reduction for Surround ON/OFF
Ach Focus Filter
Ach Focus Filter
Pop Noise Reduction for Focus ON/OFF
Ach Input 1
Ach Input 2
Ach Input 3
Ach Input 4
Ach Monitor Output
Ach Treble Filter
Ach Bass Filter
Ach Output
Pop Noise Reduction for Treble Control
Pop Noise Reduction for Bass Control
SDA Serial Data Input (I
2
C BUS)
SCL Serial Clock Input (I
2
C BUS)
Ground
Power Supply
Reference Voltage Output
Reference Voltage Input
Pop Noise Reduction for Volume Control
Pop Noise Reduction for Balance Control
No.
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
SYMBOL
OUTb
TONE-Lb
TONE-Hb
MONb
IN4b
IN3b
IN2b
IN1b
AGC
FCSFIL2b
FCSFIL1b
CTB
SRSFIL2
RECFIL
TBFIL7
TBFIL6
TBFIL5
TBFIL4
TBFIL3
TBFIL2
TBFIL1
LPFOUT
LPF2
LPF1
FUNCTION
Bch Output
Bch Bass Filter
Bch Treble Filter
Bch Monitor Output
Bch Input 4
Bch Input 3
Bch Input 2
Bch Input 1
AGC Filter
Bch Focus Filter
Bch Focus Filter
Pop Noise Reduction for TruBass ON/OFF
Surround Filter
Rectifier Filter
TruBass Filter
TruBass Filter
TruBass Filter
TruBass Filter
TruBass Filter
TruBass Filter
TruBass Filter
LPF Output
Low Pass Filter
Low Pass Filter
–2–
NJW1180
s
ABSOLUTE MAXIMUM RATING
(Ta=25°C)
PARAMETER
Supply Voltage
Power Dissipation
Operating Temperature Range
Storage Temperature Range
SYMBOL
V
+
RATING
15
1500(note)
-20 to +75
-40 to +125
UNIT
V
mW
°C
°C
P
D
Topr
Tstg
(Note) At on a board of EIA/JEDEC specification. (76.2 × 114.3 × 1.6mm Two layers, FR-4)
s
ELECTRICAL CHARACTERISTICS
(Ta=25°C, V+=9V, Rg=600Ω, R
L
=47k
Ω,
Vin=100mVrms/1kHz unless otherwise specified)
PARAMETER
Operating Voltage
Supply Current
Reference Voltage
Maximum Input Voltage
Maximum Output Voltage
Monitor Output Gain
Maximum Gain
Minimum Gain
Channel Balance 1
Channel Balance 2
Balance Boost A
Balance Cut A
Balance Boost B
Balance Cut B
Total Harmonic Distortion
Cross Talk 1
SYMBOL
V
+
TEST CONDITION
MIN.
8.0
TYP.
9.0
20
4.5
3.0
2.5
0.0
0.0
-100
0.0
0.0
0.0
-
0.0
-
-
-
MAX.
13.0
35
5.0
-
-
2.0
2.0
-90
1.0
1.0
2.0
-70
2.0
-70
0.5
-70
UNIT
V
mA
V
Vrms
Vrms
dB
dB
dB
dB
dB
dB
dB
dB
dB
%
dB
I
CC
V
REF
V
IM
V
OM
G
VMON
G
VMAX
G
VMIN
G
CB1
G
CB2
BA
BST
BA
CUT
BB
BST
BB
CUT
THD
CT1
No Signal
No Signal
VOL=-20dB,THD=10%
OUTPUT
VOL=0dB,THD=1%
MONOUT
VOL= 0dB
VOL= MUTE, Vin=2Vrms
VOL=0dB
VOL=-70dB, Vin=1Vrms
CHS=”0”, BAL=”11111”
CHS=”1”, BAL=”11111”
Vin = 1Vrms
CHS=”1”, BAL=”11111”
CHS=”0”, BAL=”11111”
Vin = 1Vrms
Vo=0.5Vrms
BW=400Hz to 30kHz
Input 1 = No signal
Input 2/3/4 : Vin = 1Vrms
SEL=”00”,
A-weighting
Input 2 = No signal
Input 1/3/4 : Vin = 1Vrms
SEL=”01”,
A-weighting
Input 3 = No signal
Input 1/2/4 : Vin = 1Vrms
SEL=”10”,
A-weighting
Input 4 = No signal
Input 1/2/3 : Vin = 1Vrms
SEL=”11”,
A-weighting
Vin = 1Vrms
-
4.0
2.8
-
-2.0
-2.0
-
-1.0
-1.0
-2.0
-
-2.0
-
-
-
Cross Talk 2
CT2
-
-
-70
dB
Cross Talk 3
CT3
-
-
-70
dB
Cross Talk 4
Channel Separation
Output Noise 1
Output Noise 2
CT4
CS
V
NO1
V
NO2
-
-
-
-
-
-
-
-80
-90
(31.6)
-106
(5.0)
-70
-70
-85
(56.2)
-96
(15.8)
dB
dB
dBV
(µVrms)
dBV
(µVrms)
A-weighting
VOL = 0dB
A-weighting
VOL = MUTE
A-weighting
–3–
NJW1180
♦
TONE CONTROL
PARAMETER
High Frequency Boost
High Frequency Flat
High Frequency Cut
Low Frequency Boost
Low Frequency Flat
Low Frequency Cut
SYMBOL
HF
BST
HF
FLT
HF
CUT
LF
BST
LF
FLT
LF
CUT
TEST CONDITION
BCT=”1”, TREB=”1111”, f=10kHz
TRBE=”0000”, f=10kHz
BCT=”0”, TRBE=”1111”, f=10kHz
BCB=”1”, BASS=”1111”, f=100Hz
BASS=”0000”, f=100Hz
BCB=”0”, BASS=”1111”, f=100Hz
MIN.
12.5
-2.0
-17.5
12.5
-2.0
-17.5
TYP.
15.0
0.0
-15.0
15.0
0.0
-15.0
MAX.
17.5
2.0
-12.5
17.5
2.0
-12.5
UNIT
dB
dB
dB
dB
dB
dB
♦
AGC CONTROL
PARAMETER
AGC Boost
AGC Flat1
AGC Flat2
AGC Flat3
AGC Flat4
AGC Cut
SYMBOL
AGC
BST
AGC
FLT1
AGC
FLT2
AGC
FLT3
AGC
FLT4
AGC
CUT
TEST CONDITION
AGC-FLAT = “300mVrms”,
Vin=50mVrms, f=1kHz
AGC-FLAT = “300mVrms”,
Vin=300mVrms, f=1kHz
AGC-FLAT = “400mVrms”,
Vin=400mVrms, f=1kHz
AGC-FLAT = “500mVrms”,
Vin=500mVrms, f=1kHz
AGC-FLAT = “600mVrms”,
Vin=600mVrms, f=1kHz
AGC-FLAT = “300mVrms”,
Vin=2Vrms, f=1kHz
MIN.
1.5
-2.5
-2.5
-2.5
-2.5
-14
TYP.
3.5
0.0
0.0
0.0
0.0
-10
MAX.
5.5
2.5
2.5
2.5
2.5
-6.0
UNIT
dB
dB
dB
dB
dB
dB
♦
SURROUND
PARAMETER
FOCUS Gain1
FOCUS Gain2
FOCUS Gain3
FOCUS Gain4
TruBass Gain1
TruBass Gain2
TruBass Gain3
TruBass Gain4
Simulated Stereo Gain
SRS Gain1
SRS Gain2
SRS Gain3
SRS Gain4
SYMBOL
G
FCS1
G
FCS2
G
FCS3
G
FCS4
G
TB1
G
TB2
G
TB3
G
TB4
G
SIM1
G
SRS1
G
SRS2
G
SRS3
G
SRS4
TEST CONDITION
FCS=”001”, f=10kHz, Ain
→
Aout
FCS=”010”, f=10kHz, Ain
→
Aout
FCS=”011”, f=10kHz, Ain
→
Aout
FCS=”100”, f=10kHz, Ain
→
Aout
TB=”001”, f=100Hz, A+Bin
→
Aout
TB=”010”, f=100Hz, Ain+Bin
→
Aout
TB=”011”, f=100Hz, Ain+Bin
→
Aout
TB=”100”, f=100Hz, Ain+Bin
→
Aout
SUR=”001”, f=1kHz, Ain+Bin
→
Aout
SUR=”010”, f=1kHz, Ain
→
Aout
SUR=”011” , f=1kHz, Ain
→
Aout
SUR=”100” , f=1kHz, Ain
→
Aout
SUR=”101” , f=1kHz, Ain
→
Aout
MIN.
1.0
3.0
5.5
8.0
2.0
4.0
7.0
13.0
1.0
2.5
5.0
7.0
9.5
TYP.
3.0
5.0
7.5
10.0
4.0
6.0
9.0
15.0
3.0
4.5
7.0
9.0
11.5
MAX.
5.0
7.0
9.5
12.0
6.0
8.0
11.0
17.0
5.0
6.5
9.0
11.0
13.5
UNIT
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
–4–
NJW1180
s
I C BUS CHARACTERISTICS
2
2
(SDA, SCL)
(Connected to +5V), Load capacitance 200pF (Connected to GND)
I C BUS Load Conditions: Pull up resistance 4k
PARAMETER
Low Level Input Voltage
High Level Input Voltage
Hysteresis of Schmitt trigger inputs
LOW level output voltage (3mA at SDA pin)
Output fall time from V
IHmin
to V
ILmax
with
a bus capacitance from 10pF to 400pF
Pulse width of spikes which must be suppressed by the input
filter
SYM
BOL
V
IL
V
IH
V
hys
V
OL
t
of
t
SP
I
i
C
i
f
SCL
t
HD:STA
t
LOW
t
HIGH
t
SU:STA
t
HD:DAT
t
SU:DAT
t
r
t
f
STANDARD MODE
MIN.
TYP.
MAX.
FAST MODE
MIN.
TYP.
MAX.
UNIT
1.5
5.0
-
0.4
V
V
V
V
ns
ns
µA
pF
kHz
µs
µs
µs
µs
µs
ns
ns
ns
µs
µs
pF
V
V
0.0
2.7
-
0
-
-
-10
-
-
4.0
4.7
4.0
4.7
0
250
-
-
4.0
4.7
-
0.5
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1.5
5.0
-
0.4
250
-
10
10
100
-
-
-
-
3.45
-
1000
300
-
-
400
-
-
0.0
2.7
0.25
0
20
+0.1C
b
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
250
50
10
10
400
-
-
-
-
0.9
-
300
300
-
-
400
-
-
0
-10
-
-
0.6
1.3
0.6
0.6
0
100
-
-
0.6
1.3
-
0.5
1
Input current each I/O pin with an input voltage between
0.1V
DD
and 0.9V
DDmax
Capacitance for each I/O pin
SCL clock frequency
Hold time (repeated) START condition.
LOW period of the SCL clock
HIGH period of the SCL clock
Set-up time for a repeated START condition
Data hold time
Data set-up time
Rise time of both SDA and SCL signals
Fall time of both SDA and SCL signals
Set-up time for STOP condition
t
SU:STO
Bus free time between a STOP and START
t
BUF
condition
Capacitive load for each bus line
C
b
Noise margin at the LOW level
Noise margin at the HIGH level
V
nL
V
nH
C
b
; total capacitance of one bus line in pF.
SDA
t
f
t
r
t
SU:DAT
t
f
t
HD:STA
t
SP
t
r
t
BUF
SCL
t
HD:STA
S
t
LOW
t
HD:DAT
t
HIGH
t
SU:STA
Sr
t
SU:STO
P
S
–5–
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