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NJM2171A

New Japan Radio
Part Number NJM2171A
Manufacturer New Japan Radio
Description LOW VOLTAGE HEADPHONE AMPLIFIER for PORTABLE AUDIO
Published Jul 31, 2006
Detailed Description www.DataSheet4U.com NJM2171A LOW VOLTAGE HEADPHONE AMPLIFIER for PORTABLE AUDIO s GENERAL DESCRIPTION The NJM2171A is a...
Datasheet PDF File NJM2171A PDF File

NJM2171A
NJM2171A

Overview
www.
DataSheet4U.
com NJM2171A LOW VOLTAGE HEADPHONE AMPLIFIER for PORTABLE AUDIO s GENERAL DESCRIPTION The NJM2171A is a low voltage headphone amplifier designed for portable audio items.
The NJM2171A operates directly for battery supply.
It includes mute and standby circuit which require few external components and realize low current consumption and very low turn-noise at standby mode.
It is suitable for portable Mini-Disc, portable Compact-Disc, and other headphone amplifier application.
s PACKAGE OUTLINE NJM2171AR s FEATURES q Operating Voltage V 1=1.
8 to 4.
5V + V 2=0.
9 to 4.
5V + q Operating Current 450µA typ.
@V 1=2.
3V + 700µA typ.
@V 2=1.
2V q Supply Current in Power Down Mode + 10µA typ.
@V 1=2.
3V + 25µA typ.
@V 2=1.
2V @THD=10% q Output Power Exceeds 5mW RL=16Ω q Fixed Voltage Gain 11.
5dB typ.
q Package Outline VSP10 q Bipolar Technology + s PIN CONFIGURATION DataSheet4U.
com DataShee 1 2 3 4 5 MUTE BIAS AMP1 AMP2 10 9 8 7 6 PIN FUNCTION + 1.
V 2 2.
OUT1 3.
IN1 4.
STBY + 5.
V 1 6.
VREF 7.
MUTE 8.
IN2 9.
OUT2 10.
GND DataSheet4U.
com DataSheet4U.
com DataSheet 4 U .
com www.
DataSheet4U.
com NJM2171A s ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL + Supply Voltage V Power Dissipation PD Operating Temperature Range Topr Storage Temperature Range Tstg RATINGS 5 (VSP8) 320 -20 to +75 -40 to +125 (Ta=25°C) UNIT V mW °C °C s RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL MIN.
+ Operating Voltage Range1 V1 1.
8 + Operating Voltage Range2 V2 0.
9 TYP.
2.
3 1.
2 MAX.
4.
5 4.
5 (Ta=25°C) UNIT V V et4U.
com s ELECTRICAL CHARACTERISTICS (V 1=2.
3V,V 2=1.
2V,Rg=600Ω,RL=16Ω,f=1kHz,Ta=25°C) PARAMEETER SYMBOL TEST CONDITION MIN.
TYP.
+ ICC0 V 1=0V(1pin) ICC1 STANDBY ON,MUTE ON(1pin) 25 ICC2 STANDBY ON,MUTE ON(5pin) 10 Operating Current ICC3 No signal(1pin) 700 ICC4 No signal(5pin) 450 ICC5 PO=0.
5mW+0.
5mW(1pin) 5.
5 ICC6 PO=0.
5mW+0.
5mW(5pin) 0.
8 Reference Voltage VREF No signal 0.
55 0.
60 DataSheet4U.
com Closed Loop Gain GV VIN=-30dBV 10.
5 11.
5 PO1 THD=10% 5.
0 8.
5 Output Power + + V 1...


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