LA1833N Sanyo Semiconductor Corporation, LA1833N Datasheet
LA1833N
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LA1833N Summary of contents
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... Ordering number : ENN6568 System-on-Chip Tuner IC for Home Stereo Systems Overview The LA1833N/ AM/FM IF and MPX system-on- chip IC that supports electronic tuning for home stereo systems optimal for use in auto-seek systems that use SD (station detect) and IF counting in parallel. Functions • AM: RF amplifier, mixer, oscillator, IF amplifier, ...
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... Local oscillator buffer output V -AM No input, the pin 24 output OSC IF counter buffer output V -AM 80 dBµ, no modulation, the pin 10 output IFBuff LA1833N, 1833NM Symbol Conditions V max CC (LA1833N) Pd max (LA1833NM) (Ta 45°C) (LA1833NM) (Ta = 70°C) Topr Tstg Symbol Conditions Conditions Ratings Unit 9 V 400 mW 400 ...
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... CC AM/FM IF counter output Also functions control switch Also functions as the muting switch LA1833N, 1833NM Functional description The input impedance 330 i The mixer coil is connected between pins 2 and 9 Vreg = 2.1 V The input impedance, ri These are active-low open-collector outputs. Set up the current flowing in to these pins to exceed 100 µ ...
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... FM demodulator output Vreg 0 (FM detector output 1.5 (AM) LA1833N, 1833NM Functional description The IC switches to AM mode if a current in excess of 200 µA flows from this pin The IC switches to forced mono mode if a current in excess of 50 µA flows from this pin. The VCO circuit is stopped if a current in excess of 200 µ ...
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... CC Oscillator buffer Also functions as the V – 1 adjustment LA1833N, 1833NM Functional description Internal load resistor The SD response speed during seek operations is set by the value of the external capacitor connected to pin 20. Pin 21 and pin 22 (the AFC voltage) are used at the same potential The FM SD bandwidth can be adjusted by an external resistor connected between pin 22 and pin 3 (the regulator voltage) ...
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... Block Diagram LA1833N, 1833NM ILA00240 No. 6568-6/10 ...
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... Test Circuit F 0.015 F 0.015 F 0.0047 F 0.047 3.3 50 5.6k LA1833N, 1833NM 1000pF 100 1000pF 75 20pF 50k 50k F 0.047 F 33 ILA00241 No. 6568-7/10 ...
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... Supply voltage, V — Characteristics 20 0 --20 --40 --60 Noise SD - OUT -- 100 Input — dBµ Characteristics Useable sensitivity Supply voltage, V — LA1833N, 1833NM FM IF THD Detuning Characteristics 3.0 2.5 2.0 1.5 1.0 0.5 0 150 10.55 10.6 10.65 Frequency — MHz ILA00242 range Supply voltage, V ILA00244 ...
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... Ambient temperature, Ta — °C THD — 1.0 0.1 10 100 1000 10000 Modulation frequency, fm — kHz THD — 1 0 Supply voltage, V — LA1833N, 1833NM --40 -- 100 Ambient temperature, Ta — °C ILA00250 AM Temperature Characteristics 3.0 2.5 2.0 1.5 1.0 0 100 --40 --20 0 Ambient temperature, Ta — °C ILA00252 50 40 ...
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... SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of December, 2000. Specifications and information herein are subject to change without notice. LA1833N, 1833NM Capture Range Characteristics ...