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NJM2151AV

MONAURAL POWER AMP. & HEADPHONE POWER AMP. IC

Japan Radio Corporation  

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NJM2151A

q SPEAKER AMP1 (INPUT:SP IN,OUTPUT:SP OUT1/2)

PARAMETER

SYMBOL

TEST CONDITION

Output Voltage Level

Vosp

Total Harmonic Distortion THDsp

Maximum Output Level VOMsp

Vin=-10.0dBV

Vin=-10.0dBV (note1)

THD=3% (note1)

Output Remain Noise

Vonsp Rg=1kΩ (note2)

Line Mix Off Level

Vooffsp Vin=-12dBV,VL=H (note2)

q SPEAKER AMP2 (INPUT:PM BEEP IN,OUTPUT:SP OUT 1/2)

PARAMETER

SYMBOL

TEST CONDITION

Output Level

Vosp2 Vin=-10.0dBV

(noet1):B.W.=0.4 to 30kHz ,(note2):CCIR

q CONTROL BLOCK

MUTE CONTROL (3pin:MUTE-CTRL)

PARAMETER

SYMBOL

HP Mute Off

VML

HP Mute On

VMH

TEST CONDITION

HEADPHONE SUSPEND CONTROL (9pin:HPSUS-CTRL)

PARAMETER

SYMBOL

TEST CONDITION

HP Suspend On

HP Suspend Off

VHPSL

VHPSH

SPEAKER SUSPEND Control (10pin:SPSUS-CTRL)

PARAMETER

SYMBOL

TEST CONDITION

SP Suspend On

SP Suspend Off

VSPSL

VSPSH

LINE MIX ON/OFF Control (12pin:LINE MIX ON/OFF CTRL)

PARAMETER

SYMBOL

TEST CONDITION

Line Mix On

VLL

Line Mix Off

VLH

MIN.

-1.4

-

+3.5

-

-

TYP.

+2.0

0.7

+5.7

-82

-78

MAX.

+4.5

2.0

-

-78

-70

UNIT

dBV

%

dBV

dBV

dBV

MIN.

-7.4

TYP.

-4.0

MAX UNIT

-1.5 dBV

MIN.

GND

1.5

TYP.

-

-

MAX.

0.4

V+

UNIT

V

V

MIN.

GND

1.5

TYP.

-

-

MAX.

0.4

V+

UNIT

V

V

MIN.

GND

1.5

TYP.

-

-

MAX.

0.4

V+

UNIT

V

V

MIN.

GND

1.5

TYP.

-

-

MAX.

0.4

V+

UNIT

V

V

(Note) Unless specified, tested with next mode below.

FUNCTION

SYMBOL PIN.No

EVR Control

Vevr

1pin

Mute Control

VM

3pin

Headphone Suspend Control

Speaker Suspend Control

Line Mix Control

VHS

9pin

VHS

10pin

VL

12pin

CONDITION

Vevr=V+

VM=L

VHS=H

VSS=H

VL=L

STATUS

EVR=Max

Mute Off

Suspend Off

Suspend Off

Line Mix On

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