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NJM2171AR Datasheet

  • NJM2171AR

  • LOW VOLTAGE HEADPHONE AMPLIFIER for PORTABLE AUDIO

  • 3頁(yè)

  • NJRC

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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
450碌A(chǔ) typ. @V 1=2.3V
+
700碌A(chǔ) typ. @V 2=1.2V
q
Supply Current in Power Down Mode
+
10碌A(chǔ) typ. @V 1=2.3V
+
25碌A(chǔ) typ. @V 2=1.2V
@THD=10%
q
Output Power Exceeds 5mW
R
L
=16鈩?/div>
q
Fixed Voltage Gain
11.5dB typ.
q
Package Outline
VSP10
q
Bipolar Technology
+
s
PIN CONFIGURATION
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.V
REF
7.MUTE
8.IN2
9.OUT2
10.GND

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