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ATA8403 Datasheet(PDF) 1 Page - ATMEL Corporation |
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ATA8403 Datasheet(HTML) 1 Page - ATMEL Corporation |
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1 / 12 page  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 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. System Block Diagram Micro- controller PLL UHF ASK/FSK Remote control receiver UHF ASK/FSK Remote control transmitter ATA8403 ATA5760/ ATA5761 LNA VCO PLL XTO LNA VCO Antenna Demod Control 1 to 3 Encoder ATARx9x XTO 1 Li cell Keys Antenna UHF ASK/FSK Industrial Transmitter ATA8403 4983A–IND–02/07 |
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