
NJW1143
- 4 -
I
ELECTRICAL CHARACTERISTICS
(Ta=25°C, V+=9V, Rg=600
, R
L
=47k
, Vin=100mVrms/1kHz,
AGC=OFF, TONE=0dB, Surround=OFF unless otherwise specified)
TONE CONTROL
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
High Frequency Boost
HF
BST
BCT=”1”, TREB=”1111”, f=10kHz
12.5
15.0
17.5
dB
High Frequency Flat
HF
FLT
TREB=”0000”, f=10kHz
-2.0
0.0
2.0
dB
High Frequency Cut
HF
CUT
BCT=”0”, TREB=”1111”, f=10kHz
-17.5
-15.0
-12.5
dB
Low Frequency Boost
LF
BST
BCB=”1”, BASS=”1111”, f=100Hz
12.5
15.0
17.5
dB
Low Frequency Flat
LF
FLT
BASS=”0000”, f=100Hz
-2.0
0.0
2.0
dB
Low Frequency Cut
LF
CUT
BCB=”0”, BASS=”1111”, f=100Hz
-17.5
-15.0
-12.5
dB
AGC CONTROL
(AGC-ON)
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
AGC Boost
AGC
BST
Vin=50mVrms, f=1kHz
1.5
3.5
5.5
dB
AGC Flat1
AGC
FLT1
Vin=100mVrms, f=1kHz
-2.5
0.0
2.5
dB
AGC Flat2
AGC
FLT2
Vin=200mVrms, f=1kHz
-2.5
0.0
2.5
dB
AGC Flat3
AGC
FLT3
Vin=300mVrms, f=1kHz
-2.5
0.0
2.5
dB
AGC Flat4
AGC
FLT4
Vin=400mVrms, f=1kHz
-2.5
0.0
2.5
dB
SURROUND
(SURROUND-ON)
PARAMETER
SYMBOL
TEST CONDITION
MIN.
TYP.
MAX.
UNIT
Surround Gain1
SR
GAIN1
Ain
→
Aout, f=100Hz
SUR0=”1”, SUR=”1”
Ain
→
Bout, f=100Hz
SUR0=”1”, SUR=”1”
Ain
→
Aout, f=100Hz
SUR0=”0”, SUR=”1”
Ain
→
Bout, f=100Hz
SUR0=”0”, SUR=”1”
Ain+Bin
→
Aout, f=1kHz
SUR0=”1”, SUR=”0”
Ain+Bin
→
Bout, f=1kHz
SUR0=”1”, SUR=”0”
6.0
8.0
10.0
dB
Surround Gain2
SR
GAIN2
1.6
3.6
5.6
dB
Surround Gain3
SR
GAIN3
10.0
12.0
14.0
dB
Surround Gain4
SR
GAIN 4
7.5
9.5
11.5
dB
Simulated Surround Gain1
SR
SIM1
1.0
3.0
5.0
dB
Simulated Surround Gain2
SR
SIM2
1.0
3.0
5.0
dB