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LA4635A датащи(PDF) 2 Page - Sanyo Semicon Device |
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LA4635A датащи(HTML) 2 Page - Sanyo Semicon Device |
2 / 3 page LA4635A No. 6983-2/3 Sample Application Circuit + DC + IN1 + IN2 + P.P PWR GND + OUT2 NC NC STBY VCC VCC PRE GND (Ripple Filter) (Popping Noise Eliminator) + + OUT1 LA4635A Top view 1 2 3 4 5 6 7 10 11 12 8 9 ILA00778 Operating Characteristics at Ta = 25 °C, VCC = 12 V, RL = 3 Ω, f = 1 kHz, Rg = 600 Ω Parameter Symbol Conditions Ratings min typ max Unit Quiescent current ICCO Rg = 0 18 35 80 mA Standby current Ist 110 µA Voltage gain VG VO = 0 dBm 33 35 37 dB Total harmonic distortion THD PO = 1 W 0.15 0.4 % Output power PO1 THD = 10% 3.0 4.5 W PO2VCC = 9 V, THD = 10% 2.0 2.5 W Output noise voltage VNO Rg = 0, BPF = 20 Hz to 20 kHz 0.05 0.25 mV Ripple rejection SVRR Rg = 0, fR = 100 Hz, VR = 0 dBm 50 60 dB Channel separation CH Sep Rg = 10 k Ω, VO = 0 dBm 55 65 dB Input resistance Ri 20 30 40 k Ω Standby pin voltage VST Amplifier on (pin 5 voltage) 1.5 5.0 V * If voltage is to be applied to the Standby pin (pin 5), a resistor (Rx) should be inserted to limit the inflow current, as required. Please refer to the information below. • The amplifier can be turned on and off by controlling the level (high/low) of pin 5. • Applying a signal equal or greater than 1.5 V and 800 µA to pin 5 turns on the amplifier. (If 5 V is applied directly to pin 5 the inflow current of pin 5 is approxi- mately 4.5 mA.) • If a voltage, Vx, exceeding 5 V is to be applied, current limiting resistor (Rx) should be inserted to limit the inflow current to 4.5 mA. (See following equation.) Rx = (Vx – 5 V) / 4.5 mA • If pin 5 is to be controlled by the microprocessor, the pin 5 inflow current (Ix) should be optimized for the capacity of the microprocessor by calculating Rx using the following equation, as a general guideline, and then confirming the inflow current through actual measure- ment. Rx = (Vx / Ix) – R1 (2 k Ω) Note: The LA4635A is basically pin-compatible with the LA4636, but there are partial differences in operation and usage, including with regard to externally connected parts. --20 0 120 80 100 140 20 40 60 160 0 5 10 15 3.2 7 12.5 25 20 30 ILA00777 Pd max -- Ta qjc=3 °C / W Infinite heat sink AI heat sink Mounting torque 39N • cm Flat washer Silicone gr ease applied 100 ¥ 100 ¥ 1.5 mm3 50 ¥ 50 ¥ 1.5 mm3 Ambient temperature, Ta – °C Single IC + Ix Rx Ix=max 4.5mA STBY R2 2k Ω ILA00779 5 Standby Pin Voltage Vx (Reference) Pin 5 Equivalent Circuit Inside IC |
Аналогичный номер детали - LA4635A |
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Аналогичное описание - LA4635A |
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