ZL70250

Revision 3 - Preliminary Datasheet ZL70250 Ultra-Low-Power Sub-GHz RF Transceiver Features Ultralow Power – Typical TX Current (at 50-Ω match): < 2 mA at −13 dBm;< 5 mA at −2 dBm – Typical RX Current: < 1.9 mA – Sleep Current: < 500 nA – Supply: 1.2 V to 1.8 V Radio Operating Frequency Range: 795 to 965 MHz – North American ISM Band: 902 to 928 MHz – European SRD Bands: 863 to 870 MHz Radio Performance – Raw Data Rate: 186 kbit/s – TX Power: up to 0 dBm – RX Sensitivity: −90 dBm Typical at 186 kbit/s Very Few External Components – Only Crystal and Bias Resistor Standard Interfaces – SPIbus Master for Packet Data – Two-Wire for Status and Control MAC – Clear Channel Assessment – Sniff with Automatic Receive or Sleep – Automatic Clear-to-Send, Turn-Around, and Sleep – Receiver AGC – Packetization – Preamble and Frame Sync – Whitening 24.572675-MHz Crystal Note: Oscillator frequency = 24.576-MHz without load capacitors Ordering Information 36-Pin CSP in Tray – ZL70250UEJ2 36-Pin CSP in T&R – ZL70250UEB2 Applications Body-Area Network Energy Harvesting Wireless Sensor Network Remote Control Voice/Compressed Audio Communication RF Switch Active RFID Inventory Management Description The ZL70250 ultra-low-power RF transceiver provides a wireless link in applications where power consumption is of primary importance. The transceiver’s ultralow power requirements allow the use of a coin-cell battery or energy-harvesting methods, enabling devices with ext...