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PDF LV25300M Data sheet ( Hoja de datos )
| Número de pieza | LV25300M | |
| Descripción | 1-chip Tuner IC | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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Ordering number : EN*8320A
LV25300M Bi-CMOS IC
1-chip Tuner IC
Overview
The LV25300M integrates all six blocks (FM FE, FM IF, double conversion AM, AM-NC, and PLL diversity) required
in car radio tuner on a single ship.
Features
The LV25300M is a tuner system that supports the SANYO car audio DSP (SDRS300) that allows the creation of
standard tuner modules. Various setting changes can be performed with the software of the control microcontroller
according to the intended application. Small tuner modules can be developed with a smaller number of parts compared to
conventional tuners and at a lower total cost.
Moreover, the LV25300M comes with an antenna switching diversity function that switches two antennas in response to
various electric field changes while the vehicle is running, a malfunction prevention circuit that operates through antenna
switching frequency detection, and a weak electric field detection, and antenna fixing circuit that uses S meter voltage,
making stable reception possible.
Functions
FM F.E.
• Balanced input type double balanced mixer (FM mixer 1)
• Dedicated RF tuner DAC (8 bits × 2)
• Pin diode drive AGC output (antenna damping)
• MOSFET second gate drive AGC output
• Keyed AGC adjustment pin (3D-AGC)
• Differential IF amplifier (first IF amplifier)
Continued on next page.
• CCB is a registered trademark of SANYO Electric Co., Ltd.
• CCB is SANYO Semiconductor's original bus format. All bus addresses are managed by SANYO
Semiconductor for this format.
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.
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's products or
equipment.
N2807 TI IM / 41107 TI IM No.8320-1/4
Datasheet pdf - http://www.DataSheet4U.net/
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| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet LV25300M.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
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