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NJM2703

New Japan Radio
Part Number NJM2703
Manufacturer New Japan Radio
Description 3D SURROUND AUDIO PROCESSOR
Published Sep 23, 2005
Detailed Description NJM2703 3D SURROUND AUDIO PROCESSOR FOR HEADPHONE s GENERAL DESCRIPTION The NJM2703 is a high quality 3D surround audio...
Datasheet PDF File NJM2703 PDF File

NJM2703
NJM2703

Overview
NJM2703 3D SURROUND AUDIO PROCESSOR FOR HEADPHONE s GENERAL DESCRIPTION The NJM2703 is a high quality 3D surround audio processor designed for headphone applications.
It includes mode control switch (Surround mode / Bypass mode).
The NJM2703 features low operating voltage, low operating current, low output noise and very small package, and is suitable for any portable audio applications.
s PACKAGE OUTLINE NJM2703RB2 s FEATURES q Operating Voltage 1.
8 to 6V q Low Operating Current 0.
45mA typ.
(at Surround mode, VR: max.
) q Low Output Noise 10µV typ.
(at Surround mode, VR: max.
) q Variable Surround Effect by external resistor q Internal Mode Control Switch q Bipolar Technology q Package Outline TVSP10 s PIN CONFIGURATION 1 2 3 4 5 10 9 8 7 6 1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
LIN RIN SW VREF GND V+ NFR NFL ROUT LOUT s BLOCK DIAGRAM LIN + + LOUT 3D FILTER RIN + Bypass ROUT Surround Mode -1- NJM2703 sABSOLUTE MAXIMUM RATING (Ta=25°C) PARAMETER Supply Voltage Power Dissipation Operating Temperature Range Storage Temperature Range SYMBOL V + RATINGS 7 320 -20 to +75 -40 to +125 UNIT V mW PD Topr Tstg °C °C sOPERATING VOLTAGE PARAMETER Operating Voltage SYMBOL V+ TEST CONDITION MIN.
1.
8 TYP.
3.
0 MAX.
6.
0 UNIT V - sELECTRICAL CHARACTERISTICS (V+=3V, Ta=25°C unless otherwise specified) TEST CONDITION PARAMETER Operating Current Reference Voltage SYMBOL ICC No Signal 0 Vref No Signal 0 0 0 Surround MAX 1.
0 0.
45 1.
15 0.
7 1.
3 V INPUT L 0 R 0 MIN.
OUTPUT MODE Bypass VR 0.
45 0.
7 mA TYP.
MAX.
UNIT qAC CHARACTERISTICS (V+=3V, Ta=25°C, VIN=-20dBV(100mVrms), f=1kHz, RL=10kΩ, unless otherwise specified) TEST CONDITION PARAMETER Maximum Input Voltage SYMBOL VIM INPUT L f=1kHz T.
H.
D.
=1% f=100Hz T.
H.
D.
=1% V+=1.
8V f=1kHz T.
H.
D.
=1% V+=1.
8V f=100Hz T.
H.
D.
=1% Output Noise VNO Rg=0Ω A-Weighted Rg=0Ω A-Weighted Total Harmonic Distortion T.
H.
D f=1kHz VIN 0 VIN 0 VIN 0 VIN 0 0 R 0 VIN 0 VIN 0 VIN 0 VIN 0 MIN.
OUTPUT L R L R L R L R L R L R L R L R MODE VR -2.
0 (790) -16.
0 (160)...


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