la4814v Sanyo Semiconductor Corporation, la4814v Datasheet
la4814v
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la4814v Summary of contents
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... Ordering number : ENA0972 LA4814V Overview The LA4814V buili-in the power amplifier circuit capable of low-voltage (2.7V and up) operation and has additionally a standby function to reduce the current drain power amplifier IC optimal for speaker drive used in battery-driven portable equipment and other such products. Applications ...
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... VREF Pin 8 control HIGH voltage V8H Pin 8 control LOW voltage V8L Pin 9 control HIGH voltage V9H Pin 9 control LOW voltage V9L LA4814V Conditions * Conditions Single ended mode BTL mode Single ended mode BTL mode 32Ω BTL mode 6Ω ...
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... Package Dimensions unit : mm (typ) 3313 6 0.15 0.22 1.3 0.65 (2.35) 1.5 SANYO : HSSOP14(225mil) Block Diagram 14 1 LA4814V 2.5 SANYO evaluation board (double-sided) 2.0 60mm×60mm×1.6mm 1.85 SANYO evaluation board 1.5 (single-sided) 80mm×70mm×1.6mm 1.15 1.0 0.5 Independent IC 0.35 0 – 40 – Power AMP-2 Power AMP max – Ta ...
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... STBY 9 CNT LA4814V Description Ground pin Power amplifier output pin Input pin Ripple filter pin (For connection of capacitor for filter) Standby pin Standby mode 0.3V Operation mode at 1. Second amplifier stop control pin Second amplifier operation 0.3V Second amplifier stop at 1 ...
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... In order to reduce the pop noise when the IC is turned off recommended that resistor R5 be inserted as shown in Fig.2. The resistance value indicated below is recommended for the inserted resistor R5 5. 82kΩ 3. 47kΩ 3. 33kΩ LA4814V 10μF (in mono BTL mode) Vstby Fig ...
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... When IC is used near the maximum rating, there is a possibility that the maximum rating may be exceeded even under the smallest change of conditions, resulting in failure. Take sufficient margin for variation of supply voltage and use IC within a range where the maximum rating will never be exceeded. LA4814V 3.3 4.7 ...
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... IC to turn on after it is turned off. For details on the time taken for the second amplifier to turn on after the IC is turned on, refer to Section 5 “Second amplifier control function.” LA4814V Recommended discharge resistor : R = 4.7kΩ (Recommended turn-on time : T = 600ms) 100ms/div 4.7kΩ ...
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... Application Circuit Example 1. (2-channel single ended mode Application Circuit Example 2. (monaural BTL mode LA4814V + R4 33kΩ 33kΩ R2 10kΩ R4 10kΩ 33kΩ IN2 C2 0.22μF R2 10kΩ 10kΩ ...
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... Test Circuit out2 + 0.1μF 10μF Power supply out1 LA4814V 4Ω 620Ω 470μF 0.22μF + 10kΩ 33kΩ 33kΩ 10kΩ + 0.22μF 470μF 4Ω 620Ω 10kΩ 10kΩ Power supply Vsby = 1 ...
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... 16Ω 0 0.01 0.1 Output power – W THD – 10mW 10.4dB 0 100 1k Frequency, f – Hz LA4814V 100 4Ω 1kHz 0.01 1 1kHz THD = 10% 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0 ...
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... 8Ω 16.4dB 1 0 0.01 0.1 Output power – W LA4814V 4Ω 620Ω 18 Din Audio 10k 100k 4Ω 620Ω ...
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... Supply voltage – V SVRR – 8Ω -20dBV 10μ 620Ω 100 1k Frequency, f – Hz LA4814V 1kHz 0.8 0.6 0.4 0 0.01 PCA02344 8Ω 10mW 0 ...
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... 4Ω 10.4dB 1kHz -20dBV 0.1 – Ambient temperature, Ta – °C LA4814V – 1. 8Ω 10dBV Vg = 16.4dB – 60 – 70 – 80 – 90 – – 10 – 20 – 30 – 40 – 50 – 60 – ...
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... Ambient temperature, Ta – °C Vg – Ta (SE 4Ω 1kHz Vg = 10.4dB -20dBV – 5 – Ambient temperature, Ta – °C LA4814V P O – Ta (BTL) 1 0.8 0.6 0.4 0.2 0 – 50 100 0 Ambient temperature, Ta – °C Vg – Ta (BTL – 50 100 0 Ambient temperature, Ta – ...
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... Pop noise Single ended mode : Turn-on transient response characteristic STBY → PWR BTL mode: Turn-on transient response characteristic STBY → PWR 3pin-12pin : 50mV/div, AC LA4814V Single ended mode : Turn-off transient response characteristic PWR → STBY 200ms/div OUT : 50mV/div, AC 7pin : 1V/div, DC BTL mode: Turn-off transient response characteristic PWR → ...
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... Evaluation board 1. Double-sided board Size : 60mm×60mm×1.6mm Top Layer 2. Single-sided board Size : 70mm×80mm×1.6mm Top Layer LA4814V Bottom Layer Bottom Layer No.A0972-16/17 ...
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... SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellctual property rights which has resulted from the use of the technical information and products mentioned above. This catalog provides information as of November, 2007. Specifications and information herein are subject to change without notice. LA4814V PS No.A0972-17/17 ...