Atmel ATR4262M1 - Manual
Atmel ATR4262M1 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
Table of Contents:
- Page 2 – Pin Configuration; Pinning QFN48; Pin
- Page 3 – Pin Description
- Page 4 – Absolute Maximum Ratings; Thermal Resistance; Operating Range
- Page 5 – Functional Description
- Page 7 – FM
- Page 8 – IF Filter Stage Concept; Example of Simple IF Filter Stage Concept
- Page 9 – Double Tuner Application; Double Tuner Operation; Master
- Page 10 – Extended Type Number; Not indicated tolerances ± 0.05
- Page 11 – History
NOTE:
This is a summary document.
The complete document is available
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 solution s in car-radio ap plications. ATR4262M1 is produced using Atme l
®
’s
advanced BICMOS2S technology and fulfills the automotive requirements. This part is
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
ATR4262M1
Summary
Preliminary
4994BS–AUDR–05/08
"Loading the manual" means you need to wait until the file loads and becomes available for online reading. Some manuals are very large, and the time they take to appear depends on your internet speed.
Summary
2 4994BS–AUDR–05/08 ATR4262M1 [Preliminary] 2. Pin Configuration Figure 2-1. Pinning QFN48 AMIN1 AMIN2 AMCVC AMPIND SW1 FMPIND FMIN1 FMIN12 FMIN2 DAC1 DAC2 SW2 SW3 IFOUT1 IFOUT2 VSPLL REF1 REF2 VRPLL AMLF FMLF VTUNE GNDPLL VCOBUF AMOUT1 AMOUT2 AMAGCTC1 FMOUT1 FMOUT2 VST IFIN1 IFREF IFIN2 VRT IFIN3 A...
3 4994BS–AUDR–05/08 ATR4262M1 [Preliminary] 20 AFCC AFC control input/SW6 switching output/lock detect/AFHOLD 21 VRVCO Reference voltage VCO 22 VCOB VCO resonator (base) 23 VCOE VCO resonator (emitter) 24 GNDVCO VCO ground 25 VCOBUF VCO buffer output/input 26 GNDPLL PLL ground 27 VTUNE Tuning voltag...
4 4994BS–AUDR–05/08 ATR4262M1 [Preliminary] 3. Absolute Maximum Ratings Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated ...
