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GENERAL DESCRIPTION
The
NJM2151A
is a monaural audio power amplifier and
stereo headphone amplifier for wide voltage operation.
The
NJM2151A
was stereo headphone power amplifier
for low distortion single-end output , and monaural power
amplifier for high power bridge(BTL).
The
NJM2151A
operate low voltage supply , low
operating current and low power-down current.
The
NJM2151A
includes MUTE , SUSPEND mode, and
suitable for NOTE PC, PDA, CAMCODER, and other
battery equipment.
The
NJM2151AVF1
is packaged in the power package.
NJM2151A
MONAURAL POWER AMP. & HEADPHONE POWER AMP. IC
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PACKAGE OUTLINE
NJM2151AM
NJM2151AV
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FEATURES
qOperating
Voltage
(2.7V to 9.0V)
qElectric
Volume Function (Headphone Amplifier)
qLINE
Input Mode
qSystem
BEEP Input
(Headphone)
qBEEP
Level Control Function
qBEEP
Input
(Monaural Amplifier)
qSuspend
Mode
(Monaural Amplifier , Headphone Amplifier)
qMute
Mode
(Headphone Amplifier)
qBipolar
Technology
qPackage
Outline
NJM2151A: DMP20,SSOP20,SSOP20-F1
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PIN CONFIGURATION
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
NJM2151AVF1
PIN CONFIGURATION
1. EVR
2. LINE IN L
3. MUTE
4. LINE IN R
5. BEEP BIAS
6. SYS.BEEP IN
7. SP.IN
8. BEEP IN
9. HP.SUSPEND
10.SP.SUSPEND
11.SP.GND
12.LM
13.SP.OUT 2
14.SP.OUT 1
15.BEEP LEVEL
+
16.SP.V
17.HP.GND
18.HP.OUT R
19.HP.OUT L
+
20.HP.V