Atmel ATR4262M1 Specification Sheet

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
advanced BICMOS2S technology and fulfills the automotive requirements. This part is
™
suitable for HD Radio
allows to design high performance and cost optimized tuner solutions.
reception as well as for DRM solutions. The high flexibility
Broadcast
Radio
Front-end IC for
AM/FM/DRM/HD
Radio
ATR4262M1
Summary
Preliminary
®
's
NOTE: This is a summary document.
The complete document is available
under NDA. For more information,
please contact your local Atmel sales
office.
4994BS–AUDR–05/08