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NJM2151A

MONAURAL POWER AMP. & HEADPHONE POWER AMP. IC

s GENERAL DESCRIPTION

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s PACKAGE OUTLINE

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s 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

s PIN CONFIGURATION

1

2

3

4

5

12

13

14

6

7

11

10

9

8

15

16

17

18

19

20

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

+

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.

NJM2151AM

NJM2151AV

NJM2151AVF1