LV25300M Sanyo Semicon Device, LV25300M Datasheet

LV25300M

Manufacturer Part Number

LV25300M

Description

1-chip Tuner IC

Manufacturer

Sanyo Semicon Device

Datasheet

1.LV25300M.pdf (4 pages)

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Ordering number : EN*8320A

Overview

Features

Functions

FM F.E.

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.

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.

• 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)

•

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.

"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,

Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to

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

device, the customer should always evaluate and test devices mounted in the customer

equipment.

s products or equipment. To verify symptoms and states that cannot be evaluated in an independent

LV25300M

Bi-CMOS IC

1-chip Tuner IC

N2807 TI IM / 41107 TI IM No.8320-1/4

s products or

Continued on next page.

Datasheet pdf - http://www.DataSheet4U.net/

Related parts for LV25300M

LV25300M Summary of contents

Page 1

... 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 ...

Page 2

... Reference divider • Programmable divider (pulse swallow type) • Crystal oscillator circuit - FM band selection signal detection and control circuits - AM, SW1, and SW2 reception - Weather band - AM/FM RF AGC voltage - FM/AM RF DAC (9 bits × 2) • ADC (6/8bits × 2, selectable) LV25300M No.8320-2/4 Datasheet pdf - http://www.DataSheet4U.net/ ...

Page 3

... MAIN FIX NOIZE AMP 20 CIRCUIT LV25300M • FM ANT tuning circuit fc control • tuning circuit fc control • AM/FM IF gain adjustment • FM/AM W-AGC sensitivity adjustment • FM/AM N-AGC sensitivity adjustment • FM S-meter shift • AM/FM SD sensitivity setting • NULL adjustment • AFC band width Diversity • ...

Page 4

... SANYO Semiconductor Co.,Ltd. shall not be liable for any claim or suits with regard to a third party's intellectual 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. LV25300M 17.2 14.0 1.6 0.825 ...

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