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NJU7086

New Japan Radio
Part Number NJU7086
Manufacturer New Japan Radio
Description High-Power & Low-Voltage Stereo Audio Power Amplifier
Published Mar 19, 2010
Detailed Description NJU7086 www.DataSheet4U.com High-Power & Low-Voltage Stereo Audio Power Amplifier with Electronic Volume ■GENERAL DESCR...
Datasheet PDF File NJU7086 PDF File

NJU7086
NJU7086

Overview
NJU7086 www.
DataSheet4U.
com High-Power & Low-Voltage Stereo Audio Power Amplifier with Electronic Volume ■GENERAL DESCRIPTION The NJU7086 is a stereo audio power amplifier designed for portable applications.
Three input selector and an electronic volume are built into, and it contributes to a reduction of the number of external parts.
No external coupling capacitors are required because of the differential outputs.
The closed loop gain is adjusted by two external resistors.
And the standby mode control reduces the supply current.
The NJU7086 contains pop & click noise protection circuitry which eliminates noises during turn-on and turn-off transitions and RF rectification canceling circuitry.
■ PACKAGE OUTLINE NJU7086 ■ APPLICATION • Portable DVD/TV • Portable Navigation • PC Monitor ■FEATURES • Operating Voltage V+=2.
8 to 5.
5V • Three Input Selector • Electronic Volume 0dB~-64dB • Operating Current IDD1=8 mA typ.
• Supply Current in Power Down Mode IDD4=5µA max.
• Output Power Po=1W/ch typ.
• Standby function • Mute Function • Headphone detecting function • Switch function of Differential output and Single ended output • C-MOS Technology • Package Outline LQFP48 MonOutL Vref IC STBY ModeTC (V+=5V,BTL mode,RL=∞,No Signal) (STBY mode) (V+=5V,RL=8Ω,THD=2%) ■ BLOCK DIAGRAM EVROutL GainL GND VDD Bias INL1 INL2 INL3 Lch SP EVR HP Jack stereo OutL+ INR1 INR2 INR3 EVR HP Sense OutLOutR- HP Sense Rch SP OutR+ Vrefin VrefOut MonOutR I2C Interface SDA SCL EVROutR GainR GND VDD AUX HPSense 19-May-09 -1- NJU7086 www.
DataSheet4U.
com ■ PIN CONFIGURATION (LQFP48) 1 48 NC NC GND OutLNC V+ V+ OutL+ GND GainL EVROutL NC MonOutL INR1 INR2 INL1 INL3 INL2 NC NC NC NC NC NC Vrefout Vrefin STBY VrefIC AUX ModeTC NC SDA SCL NC NC NC GND OutRHPsense V+ 37 36 NJU7086 V+ OutR+ GND GainR EVROutR NC MonOutR INR3 12 13 No.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 Symbol NC GND OutLNC V+ V+ OutL+ GND GainL EVROutL NC MonOutL INL3 NC INL2 NC INL1 ...


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