ATA8403| Datasheet

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Features
Integrated PLL Loop Filter ESD Protection also at ANT1/ANT2
(4 kV HBM/200V MM; Except Pin 2: 4 kV HBM/100V MM)

High Output Power (5.5 dBm) with Low Supply Current (8.5 mA) Modulation Scheme ASK/FSK
FSK Modulation is Achieved by Connecting an Additional Capacitor Between the XTAL Load Capacitor and the Open Drain Output of the Modulating Microcontroller Easy to Design-in Due to Excellent Isolation of the PLL from the PA and Power Supply Single Li-cell for Power Supply Supply Voltage 2.0V to 4.0V in the Temperature Range of 40 C to +85 C Package TSSOP8L Single-ended Antenna Output with High Efficient Power Amplifier CLK Output for Clocking the Microcontroller One-chip Solution with Minimum External Circuitry

UHF ASK/FSK Industrial Transmitter ATA8403

Applications

Industrial/Aftermarket Remote Keyless Entry Systems Alarm, Telemetering, and Energy Metering Systems Remote Control Systems for Consumer and Industrial Markets Access Control Systems Home Automation Home Entertainment Toys

1. Description
The ATA8403 is a PLL transmitter IC, which has been developed for the demands of RF low-cost transmission systems for industrial applications at data rates up to 50 kBaud ASK and 32 kBaud FSK modulation scheme. The transmitting frequency range is 868 MHz to 928 MHz. It can be used in both FSK and ASK systems. Figure 1-1.
1 Li cell

System Block Diagram
UHF ASK/FSK Remote control transmitter ATA8403 UHF ASK/FSK Remote control receiver ATA5760/ ATA5761
Demod Control

1 to 3

Microcontroller

Keys

Encoder ATARx9x

PLL Antenna XTO VCO Antenna PLL XTO

LNA

LNA

VCO

4983A IND 02/07

ATA8403 Datasheet atmel Download PDF

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ATA8403 DATASHEET