SA2078

SA2078 PRESET EQUALIZER CIRCUIT DESCRIPTION SA2078 is a 3 mode preset equalizer circuit. This IC has built-in one middle boost and two type high/low boost equalizers and flat mode. These operation modes are controlled by internal switch. FEATURES * Dual channel * 3 mode preset equalizer * Few external parts * Operating supply voltage range: VCC (opr)=7.5~14V (Tamb=25°C) DIP-16 APPLICATIONS * Radio/cassette recorders and car audio systems,etc… ORDERING INFORMATION Device SA2078 Package DIP-16-300-2.54 BLOCK DIAGRAM www.DataSheet4U.com ABSOLUTE MAXIMUM RATING (Tamb=25°C) Characteristics Supply Voltage Power Dissipation Operating Temperature Storage Temperature Symbol VCC PD (note) Topr Tstg Rating 14 750 -25~75 -55~150 Unit V mW °C °C HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn REV:1.0 2004.10.28 Page 1 of 4 SA2078 ELECTIVAL DHARACTERISTICS (Unless otherwise specified, VCC=10V, Rg=620Ω, RL=10KΩ, f=1kHz, Normal mode, Tamb=25°C) Characteristics Operating Voltage Symbol Test condition VCC -ICCQ1 Normal mode (A=L, B=L) ICCQ2 Rock mode (A=H, B=L) ICCQ3 ICCQ4 Voltage Gain Maximum Output Voltage Total Harmonic Distortion Ripple Rejection Ratio Cross Talk GV Vom THD R.R. C.T. Classic mode (A=L, B=H) Pop mode (A=H, B=H) -THD=1% VIN=200mVrms Vrip=300mVrms, frip=100Hz VIN=350mVrms Min. 7.5 ----12.0 2.5 ----Typ. -2.5 4.2 4.6 4.5 14.0 3.0 0.01 -56 -70 20 Max. 14.0 5.0 9.0 9.0 9.0 16.0 -0.1 --60 30 dB Vrms % dB dB µVrms Unit V Quiescent Current mA Output Nois...