NJW1201A

www.DataSheet.co.kr NJW1201A 2ch Electronic Volume with Dynamic Bass Boost !GENERAL DESCRIPTION The NJW1201A is a 2-channel electronic volume with Dynamic Bass Boost. 5+1diff-in 1-out selector. It includes 5+1diff input selector, 1st-volume, 2nd-volume, 3 band Tone, Sound mode, Dynamic Bass Boost. The NJW1201A performs low noise and low distortion characteristics with resistance ladder circuit. 2 All of functions are controlled by I C BUS interface. !PACKAGE OUTLINE ! FEATURES " Operating Voltage 2 " I C BUS Control " Low output noise " Low THD " 5+1diff Input Selector " Input Gain " 1st-Volume " 2nd-Volume " 3 Band Tone " Sound mode " Sound Gain " Dynamic Bass Boost " Bi-CMOS Technology " Package Outline ! BLOCK DIAGRAM +7.5 to +10V -110dBVtyp. 0.01%typ. NJW1201AFH2 0 to +30dB/2dBstep 0 to -62dB / 1dBstep, MUTE 0 to -28dB / 2dBstep, MUTE 0 to ±14dB/ 2dBstep (Treble,Middle), 0 to ±17.5dB/ 2.5dBstep (Bass) 3 modes (eala, ealaTreble, eala & ealaTreble) 2-level Gains 3-level Gains LQFP52-H2 INPUT3 Bch INPUT2 Bch INPUT1 Bch 4.7k R12 C29 C32 C31 C30 C28 C27 C26 C25 C24 R11 C23 4.7k C22 220n 4.7u 4.7u 4.7u 4.7n 4.7n INPUT(Bch) 39 38 37 36 35 34 33 32 31 30 29 28 27 4.7n 22n 47n Filter terminal for Sound Mode R10 50k 50k 50k TRE MID 0dB 4.7u 40 41 BAS INPUT4 Bch 50k C33 + 26 25 24 23 C21 68n C20 1u R9 3k C18 4.7u C17 4.7u Filter terminal for Sound Mode AGC Smoothing Filter for Dynamic Bass Boost ExtSense terminal. Poss...