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LA1781M Folha de dados(PDF) 1 Page - Sanyo Semicon Device |
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1 / 48 page 71509 SY PC/32301TN (OT) No.6038-1/48 Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer 's products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer 'sproductsor equipment. Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to "standard application", intended for the use as general electronics equipment (home appliances, AV equipment, communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee thereof. If you should intend to use our products for applications outside the standard applications of our customer who is considering such use and/or outside the scope of our intended standard applications, please consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our customer shall be solely responsible for the use. LA1781M Overview The LA1781M integrates all six blocks required in a car radio tuner on a single chip. Features • Improved noise reduction methods The FM front end provides excellent 3-signal characteristics equivalent to those of the LA1193M. Superlative listenability due to improved medium and weak field noise canceller characteristics. Improved separation characteristics. Anti-birdie filter. Improved AM and FM thermal characteristics. Excellent FM signal meter linearity. Modified N.C. circuit for improved noise rejection. • Double conversion AM tuner (up conversion) Reduces the number of external components required as compared to earlier double conversion tuners, in particular, no crystal is required (when used in conjunction with the LC72144). • Sample-to-sample variation reduction circuit built into the FM IF circuit. (Fixed resistors are used for the SD, keyed AGC, mute on adjustment, ATT, SNC, and HCC functions.) • The LA1781 inherits the block arrangement of the LA1780M and supports pin-compatible designs. Functions • FM front end • FM IF • Noise canceller • Multiplex • AM up-conversion • FM/AM switch • MRC Monolithic Linear IC For Car Radios Single-Chip Tuner IC Ordering number : EN6038A |
Nº de peça semelhante - LA1781M_09 |
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Descrição semelhante - LA1781M_09 |
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