Details, datasheet, quote on part number: NJM2151AV
PartNJM2151AV
CategoryMultimedia => Audio => Amplifiers => Power Amplifiers
DescriptionMonaural Power Amplifier & Headphone Power Amplifier ic
CompanyNJR Corporation
DatasheetDownload NJM2151AV datasheet
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Features, Applications

s GENERAL DESCRIPTION The 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.

MONAURAL POWER AMP. & HEADPHONE POWER AMP. IC

s FEATURES qOperating Voltage 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 DMP20,SSOP20,SSOP20-F1 s PIN CONFIGURATION

PIN CONFIGURATION 1. EVR 2. LINE L 3. MUTE 4. LINE R 5. BEEP BIAS 6. SYS.BEEP IN 7. SP.IN 8. BEEP IN 9. HP.SUSPEND 10. SP.SUSPEND

s ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL + Supply Voltage V Power Dissipation Operating Temperature Range Storage Temperature Range PD Topr Tstg RATINGS 9 (DMP) 375 (SSOP) +150 (Ta=25C) UNIT mW C

s RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL TEST CONDITION Operating Voltage Vopr to +9.0

s ELECTRICAL CHARACTERISTICS (HP V =SP, =5V,Ta=25C) q Operating Current PARAMETER SYMBOL TEST CONDITION Operating Current Iq No Signal :IqHP+IqSP Operating Current Iqs No Signal :IqHP+IqSP,VHS=L,VSS=L (Suspend Mode)

q HEADPHONE 1 (INPUT:LINE IN L/R,OUTPUT:HP OUT L/R) PARAMETER SYMBOL TEST CONDITION Output Voltage Level Vohp1 Vin=-10.0dBV Total Harmonic Distortion THDhp Vin=-10.0dBV (note2), EVR Adjustable Range Gevr + Vevr=HP V GND Maximum Output Level Vomhp THD=1% (note1) Output Remain Vonhp Rg=1k (note2) Crosstalk CThp Vin=-10dBV (note2) Muting Level MThp (note2) q HEADPHONE 2 (INPUT:SYSTEM BEEP IN,OUTPUT:HP OUT L/R) PARAMETER SYMBOL TEST CONDITION Output Voltage Level Vohp2 Vin=3.0Vp-p Input Threshold Level VTHHP

q SPEAKER AMP1 (INPUT:SP IN,OUTPUT:SP OUT1/2) PARAMETER SYMBOL TEST CONDITION Output Voltage Level Vosp Vin=-10.0dBV Total Harmonic Distortion THDsp Vin=-10.0dBV (note1) Maximum Output Level VOMsp THD=3% (note1) Output Remain Noise Line Mix Off Level Vonsp Vooffsp Vin=-12dBV,VL=H (note2)

q SPEAKER AMP2 (INPUT:PM BEEP IN,OUTPUT:SP OUT 1/2) PARAMETER SYMBOL TEST CONDITION Output Level ,(note2):CCIR q CONTROL BLOCK MUTE CONTROL (3pin:MUTE-CTRL) PARAMETER SYMBOL HP Mute Off VML HP Mute On VMH

HEADPHONE SUSPEND CONTROL (9pin:HPSUS-CTRL) PARAMETER SYMBOL TEST CONDITION HP Suspend On VHPSL HP Suspend Off VHPSH SPEAKER SUSPEND Control (10pin:SPSUS-CTRL) PARAMETER SYMBOL TEST CONDITION SP Suspend On VSPSL SP Suspend Off VSPSH LINE MIX ON/OFF Control (12pin:LINE MIX ON/OFF CTRL) PARAMETER SYMBOL TEST CONDITION Line Mix On VLL Line Mix Off VLH

(Note) Unless specified, tested with next mode below. FUNCTION SYMBOL PIN.No CONDITION + EVR Control Vevr 1pin Vevr=V Mute Control VM 3pin VM=L Headphone Suspend Control VHPS 9pin VHPS=H Speaker Suspend Control VSPS 10pin VSPS=H Line Mix Control VL 12pin VL=L

STATUS EVR=Max Mute Off Suspend Off Suspend Off Line Mix On

 

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