ATA5771C

ATA5771C/73C/74C UHF ASK/FSK Transmitter with the Atmel AVR Microcontroller DATASHEET General Features ● Atmel® AVR® microcontroller and RF transmitter PLL in a single QFN24 5mm × 5mm package (pitch 0.65mm) ● Operating frequency ranges 310MHz to 350MHz, 429MHz to 439MHz and 868MHz to 928MHz ● Temperature range –40°C to +85°C ● Supply voltage 2.0V to 3.6V allowing usage of single Li-cell power supply ● Low power consumption ● Active mode: typical 9.8mA at 3.0V and 4MHz microcontroller-clock ● Power-down mode: Typical 200nA at 3.0V ● Modulation scheme ASK/FSK ● Integrated PLL loop filter ● Output power of 8dBm at 315MHz / 7.5dBm at 433.92MHz / 5.5dBm at 868.3MHz ● Easy to design-in due to excellent isolation of the PLL from the PA and power supply ● Single-ended antenna output with high efficient power amplifier ● Very robust ESD protection: HBM 2500V, MM100V, CDM 1000V ● High performance, low power AVR 8-bit microcontroller ● Advanced RISC architecture ● Non-volatile program and data memories ● 4Kbytes of in-system programmable program memory flash ● 256Bytes in-system programmable EEPROM ● 256Bytes internal SRAM ● Programming lock for self-programming flash program and EEPROM data security ● Peripheral features ● Two timer/counter, 8- and 16-bit counters with two PWM channels on both ● 10-bit ADC ● On-chip analog comparator ● Programmable watchdog timer with separate on-chip oscillator ● Universal serial interface (USI) 9137J-RKE-10/14 ● Special microcontroller features ● de...