Atmel's RF data control transceiver, the ATA5811/12 is designed for automotive and other mobile remote keyless entry (RKE) and passive entry go (PEG) systems that will benefit from its very low current consumption and small size, which are mandatory requirements for small, battery-driven applications such as a car key. In addition, the transceiver device can also be used for transceiver RF links where low power consumption and an effective system solution are required, such as energy metering, home automation, alarm and telemetry systems.
The ATA5811 is designed for 433 to 435 and 868 to 870 MHz, whereas the ATA5812 operates at 314 to 316 MHz. Both transceivers are pin- and functionally identical. The ATA 5811/12's current consumption is both in receive and in transmit mode is only 10,5 mA (3 V/ Tx with 5 dBm). This device also exhibits excellent system performance: high sensitivity in ASK (eg, -116,5 dBm at 2,4 kBaud) and FSK mode (eg, -109,5 dBm at 2,4 kBaud), a PAE of nearly 40%, adjustable output power of up to +10 dBm for long-distance operation, a high selectivity and a high blocking plus low intermodulation due to the receiver module's low-IF architecture.
For more information contact Arrow Altech Distribution, 011 923 9600, EBV-Electrolink, 021 421 5350, and Memec SA, 011 897 8600.
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