Sanyo LA3246 free download

File name la3246.pdf

Ordering number: EN 2651B Monolithic Linear IC LA3246 Stereo Preamplifier for Compact Double Cassette Playback-only Use Overview The LA3246 is a stereo preamplifier IC for double cassette tape playback-only use. The LA3246 is intended for use in portable radio-cassette tape recorders and tape decks. Package Dimensions unit : mm 3021B-DIP20 [LA3246] Applications . Stereo compact cassette player for playback-only use . Stereo cassette deck player Functions . Preamplifier Ч 2, Mixing amplifier Ч 1, Electronic switch Ч 6 SANYO : DIP20 (300 mil) Features . On-chip electronic switch for input select (auto reverse or deck select) . A deck/Belectronic switch for normal/higher dubbing select On-chip metal/normal tape . and electronic switch forrange (V op = 3.5select V) Wide operating voltage to . With output MIX pin (for music select control) 14 . Low noise voltage range (V = 0.9 µV typ, Rg = 2.2 k NAB) . Can be used in conjunction with the LA3240, 3241, 3242 to CC NI easily make up a doublecassette dubbing system. Specifications Maximum Ratings at Ta = 25°C Parameter Maximum supply voltage Allowable power dissipation Operating temperature Storage temperature Symbol VCC max Pd max Topr Tstg Conditions Ratings 16 500 ­20 to +75 ­40 to +125 Unit V mW °C °C Maxiumum Ratings at Ta = 25°C Parameter Recommended supply voltage Operating voltage range Symbol VCC VCC op Conditions Ratings 6 3.5 to 14 Unit V V SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN D3097HA(II)/41594HK/N107TA, TS No.2651-1/13 LA3246 Operating Characteristics at Ta = 25°C, VCC = 6.0 V, RL = 10 k, f = 1 kHz, 0 dB = 0.775 V Parameter Quiescent current Voltage gain (Open) Voltage gain (Closed) Total harmonic distortion Maximum output voltage Crosstalk (between channels) Crosstalk (between F/R) Channel balance Equivalent input noise voltage MIX output voltage Ripple filter output current Electronic switch ON-state resistance DC feedback resistance Input bias current Symbol Icco Iccs VGo VG THD VO max CT1 CT2 VBL VNI VOMIX IF OUT Ron RF IF Conditions Nor/Nor speed forward Metal/High speed forward Nor/Nor speed, NAB VO = 0.65 V, Nor/Nor speed THD = 1%, Nor/Nor speed VO = ­5 dBm, Rg = 2.2 k, Nor/Nor speed VO = ­5 dBm, Rg = 2.2 k, Nor/Nor speed VIN = ­50 dBm Rg = 2.2 k, B.P.F 20 Hz to 20 kHz, Nor/Nor speed VO1, VO2 = 0 dBm Between P1 to P4 and 5, between pin 16 and 17 Between P1 to P7 and 10, between pin 10 and 14 240 min 5 7 75 39.5 0.7 50 50 typ 7 10 85 40.5 0.03 1.2 65 65 0 0.9 0 10 100 30 300 0.5 max 12 17 41.5 0.2 Unit mA mA dB dB % V dB dB dB µV dB mA µA ­3 2 1.7 +3 15 250 70 360 3.0 Allowable power dissipation, Pd max ­ mW Pd max ­ Ta Ambient temperature, Ta ­ °C Equivalent Circuit Block Diagram Top view No.2651-2/13 LA3246 Test Circuit Sample Application Circuit Unit (resistance: , capacitance: F) Note 1. The output frequency characteristic for Nor Tape/High speed mode (pin 6: