Atmel ATR4262M1 Manuel D’Utilisation
NOTE:
This is a summary document.
The complete document is available
under NDA. For more information,
please contact your local Atmel sales
office.
under NDA. For more information,
please contact your local Atmel sales
office.
Features
•
World Tuner Application Due to Integrated VCO Dividers
•
RF Input for Weather Band Applications
•
AM Reception 100 kHz Up to 30 MHz
•
AM Up/Down Conversion Depending on Reception Frequency
•
VCO Slave Mode for Phase Diversity Applications
•
FM Image Rejection Mixer
•
Selectable High-side/Low-side Injection for FM Mode
•
Selectable FM Mixer Output
•
RF-AGC Wideband Threshold Programmable for AM and FM
•
RF-AGC Inband Threshold Programmable
•
Cascode Control Voltage for AM FET Pre-stage
•
Integrated Pin-diode Drivers for AM and FM
•
Three Selectable IF Amplifier Inputs
•
Fractional PLL with Fast Lock Time
•
Small Frequency Steps for AM
•
Excellent SNR for DRM Applications
•
Differential Reference Frequency Input for PLL Down to 9 kHz or Integrated XCO Driver
Available
•
Two Wire Interface (TWI) with Two Selectable Bus Addresses
•
Digital Electronic Alignment of Up to Two External Filter Stages
•
Flexible and Economic IF Filter Concept
•
Control Inputs for IF Gain, Reception Frequency and Keyed AGC
•
Integrated State-machine for Optional Control of Alternative Frequency Check
•
Only One Power Supply Voltage Necessary
1.
Description
The ATR4262M1 is a single-chip AM/FM and weather band tuner dedicated for digital
IF solutions in car-radio applications. ATR4262M1 is produced using Atmel
IF solutions in car-radio applications. ATR4262M1 is produced using Atmel
®
’s
advanced BICMOS2S technology and fulfills the automotive requirements. This part is
suitable for HD Radio
suitable for HD Radio
™
reception as well as for DRM solutions. The high flexibility
allows to design high performance and cost optimized tuner solutions.
Broadcast
Radio
Front-end IC for
AM/FM/DRM/HD
Radio
Radio
Front-end IC for
AM/FM/DRM/HD
Radio
ATR4262M1
Summary
Preliminary
4994BS–AUDR–05/08