RDA5807MRRD-102V2.0 PDF – FM RADIO TUNER CHIP

Part Number: RDA5807MRRD-102V2.0

Function: SINGLE-CHIP BROADCAST FM RADIO TUNER

Package: MSOP 10 Pin Type

Manufacturer: RDA

Images:

RDA5807MRRD-102V2.0 pdf

Description

The RDA5807MRRD-102V2.0 series is the newest generation single-chip broadcast FM stereo radio tuner with fully integrated synthesizer, IF selectivity, RDS/RBDS and MPX decoder.

The tuner uses the CMOS process, support multi-interface and require the least external component. All these make it very suitable for portable devices. The RDA5807M series has a powerful low-IF digital audio processor, this make it have optimum sound quality with varying reception conditions.
The RDA5807M series support frequency range is from 50MHz to 115MHz.

RDA5807MRRD pinout datasheet

Features:

1. CMOS single-chip fully-integrated FM tuner
2. Low power consumption
(1) Total current consumption lower than 20mA at 3.0V power supply when under normal situation
  Mono/stereo switch Soft mute High cut Programmable de-emphasis (50/75 s) Receive signal strength indicator (RSSI) and SNR Bass boost Volume control and mute Line-level analog output voltage 32.768 KHz 12M,24M,13M,26M,19.2M,38.4MHz Reference clock Only support 2-wire bus interface Directly support 32Ω resistance loading Integrated LDO regulator  1.8 to 3.3 V operation voltage MSOP-10pins

Applications:

1. Cellular handsets
2. MP3, MP4 players
3. Portable radios
4. Support worldwide frequency band   50 -115 MHz 100KHz, 200KHz, 50KHz and 25KHz Support flexible channel spacing mode Support RDS/RBDS Digital low-IF tuner    Image-reject down-converter High performance A/D converter IF selectivity performed internally Fully integrated on-chip RF and IF VCO Fully integrated on-chip loop filter  Fully integrated digital frequency synthesizer       Autonomous search tuning Support 32.768KHz crystal oscillator Digital auto gain control (AGC) Digital adaptive noise cancellation Copyright © RDA Microelectronics Inc. 2006. All rights are reserved. The information contained herein is the exclusive property of RDA and shall not be distributed, reproduced, or disclosed in whole or in part without prior written permission of RDA.  […]

 

RDA5807MRRD-102V2.0 PDF Datasheet

RDA5807MRRD-102V2.0 pdf

TDA7421 Datasheet PDF – AM/FM Tuner for Car Radio

Part Number: TDA7421

Function: AM/FM TUNER FOR CAR RADIO AND HI-FI APPLICATION

Package: TQFP 64 Pin

Manufacturer: STMicroelectronics

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TDA7421 datasheet

 

Description

The TDA7421 is a high performance tuner circuit that integrates AM/FM sections, IF counter and PLL synthesizer on a single chip. Use of BICMOS technology allows the implementation of tuning functions with a minimum of external components.

Features

1. FRONT-END FOR AM/FM RECEIVERS

2. UP-CONVERSION ARCHITECTURE FOR AM

3. HIGH SPEED PLL WITH INLOCK DETECTOR FOR OPTIMIZED RDS Applications

4. SINGLE FREQUENCY REFERENCE FOR AM/FM

5. AM/FM STATION DETECTOR

6. uP-CONTROLLED COMPENSATION OF EXTERNAL COMPONENTS SPREAD

7. ADJUSTABLE AUDIO MUTE

 

Pinout

components

 

The Automatic Gain Control (AGC) operates on different sensitivities and bandwidths in order to improve sensitivity and dynamic range. I2C bus allows to control selected functions of the tuner (AGC and amplifiers gain, PLL and counters operation modes).

Application Circuits :

components

Other data sheets are available within the file: TDA7421N

TDA7421 Datasheet PDF Download

TDA7421 pdf