Atmel introduced a new generation of smart RF devices for the automotive and consumer markets, enabling RF systems with high performance and application simplification.
Committed to the automotive market, the ATA5830 and ATA5780 are monolithic RF transceiver and receiver devices with high sensitivity and low power consumption. The multiband devices are designed for the ISM frequency bands in the ranges of 310 to 318 MHz, 418 to 477 MHz and 836 to 928 MHz, and are suitable for remote keyless entry (RKE), remote start, passive entry go (PEG) and tyre pressure monitoring systems (TPMS).
The monolithic devices combine a highly advanced RF receiver or transceiver block with an Atmel AVR microcontroller core. This enables the devices to poll multiple application channels to support, for example, the RKE/PEG, remote start and TPMS system with a single IC instead of having multiple ICs.
The ATA5830 and ATA5780 are pin-compatible devices to ensure maximum re-use of development effort for 1-way and 2-way systems. The highly sensitive devices (typical -109 dBm, 10 KBps Manchester data rate, FSK modulation with ±10 kHz frequency deviation, IF bandwidth 165 kHz) provide a high image rejection and good blocking performance (typical 64 dBc at 1 MHz, IF bandwidth of 165 kHz). The transceiver’s maximum power-down current of 600 nA ensures long battery life and small battery size.
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