PDF LV23401V Data sheet ( Hoja de datos )

Número de pieza	LV23401V
Descripción	1-chip Tuner IC
Fabricantes	ON Semiconductor
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No Preview Available ! Ordering number : ENA1746 LV23401V Bi-CMOS IC 1-chip Tuner IC with built-in FLL for Home Stereo System http://onsemi.com Overview The LV23401V is a AM/FM one-chip tuner IC for home stereo system. Functions  AM tuner  FM tuner  MPX stereo decoder  FLL tuning system Features  All the adjustment work of external parts is unnecessary.  CCB control with easy command base  External parts are reduced by LOW-IF frequency (FM=225kHz, AM=53kHz) adoption.  The high sensitivity reception is achieved in low noise MIX input circuit.  All bands of Japan-U.S.-Euro can be received by the soft program change (76MHz to 108MHz).  With built-in FLL(Frequency Locked Loop) tune function  Soft mute and stereo blend function (seven stages programmed control possible)  With built-in adjacent channel obstruction removal function  With built-in stereo pilot cancellation function  For EN55020-S1 standard (European immunity)  With built-in power save function Semiconductor Components Industries, LLC, 2013 May, 2013 61610 SY 20100428-S00002 No.A1746-1/24 1 page Description of Pin Functions No. Pin name 1 AM-ANT Voltage (V) 2.2V LV23401V Internal Equivalent Circuit 12 RR 2 AM-REF 3 AM-CAP 2.2V 15 2.2V Regulator 2 - 3 CAP-BANK 4 GND1 5 VREF1 0V 4.3V 6 MPX-OUT 2.5V 7 AM RF-AGC - 8 GND2 9 L-OUT 10 R-OUT 0V 2.5V (It is 3.3V for LEVSHIF = 1) 15 4.3V Regulator 5 R1 6 R2 R3 R2 R4 7 R1 R3 15 R 10 9 Remarks AM antenna input pin. The AM antenna coil is connected between 2pin. R = 100 AM standard bias pin. AM Tuning for tune pin. (AM Capacitor Bank) Analog (AM_FE) GND pin. Analog (tuner area) standard bias pin. VREF = 4.3V FM demodulation output pin. R1 = 100 R2 = 23k R3 = 1k AGC pin for AM-RF department Gain control. R1 = 2M R2 = 5k R3 = 250 R4 = 1k Analog (tuner) GND pin. L-ch (R-ch) output pin. R = 100 ROUT = 150 Continued on next page. No.A1746-5/24 5 Page Used parts LV23401V Component Parameter Value Tolerance Type L1 Local Osc Coil 33nH 5% LL2012-FHL33NJ L2 Local Osc Coil 33nH 5% LL2012-FHL33NJ L3 AM Loop antenna 18.1μH 5% 4910-CSL18R1JN1 A90326057 T1 AM RF matching - - #7003RNS-A1109YZS C1 Ripple Filter 0.1μF C2 Ripple Filter 1μF C3 AM RF AGC Capacitor 4.7μF C4 Coupling Capacitor 1μF C5 Coupling Capacitor 1μF C6 AM Low-cut Filter 0.047μF C7 Supply Bypass Capacitor 0.1μF C8 Supply Bypass Capacitor 22μF C9 Correction Capacitor 10pF C10 Supply Bypass Capacitor 22μF C11 Ripple Filter 0.1μF C12 Osc Filter 0.1μF C13 Ripple Filter 0.1μF C14 Ripple Filter 10μF C15 Coupling Capacitor 330pF C16 Coupling Capacitor 560pF C17 Correction Capacitor 15pF C18 Correction Capacitor 15pF R1 Reference Resistor 180 R2 Pulled-up Resistor 10k R3 Reference Resistor 22k R4 Reference Resistor 33k R5 Pulled-up Resistor 10k BPF FM ANT BPF -- GFMB7 X1 Crystal 32.768kHz 100ppm VT-200-F(12.5pF) X2 Crystal 4.332MHz 100ppm AT-49 LO1 AM Ferrite antenna 260μH TBD - * L1 must be used when you receive an Eastern European band (65MHz to 75MHz) and L2 must use 39nH. * Inquire match (C9, C17, C18) of X1 and the X2 crystal of the crystal maker together with the substrate used. Supplier TOKO TOKO SAGAMI COILS TOKO SOSHIN SEIKO DAISHINKI - No.A1746-11/24 11 Page

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