CC2520RHDT

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1. DESCRIPTION

The CC2520RHDT is TI's second generation ZigBee® / IEEE 802.15.4 RF transceiver for the 2.4 GHz unlicensed ISM band. This chip enables industrial grade applications by offering state-of-the-art selectivity/co-existence, excellent link budget, operation up to 125°C and low voltage operation. In addition, the CC2520RHDT provides extensive hardware support for frame handling, data buffering, burst transmissions, data encryption, data authentication, clear channel assessment, link quality indication and frame timing information. These features reduce the load on the host controller. In a typical system, the CC2520RHDT will be used together with a microcontroller and a few additional passive components. 

2. Features

    1. DSSS transceiver

    2. 250kbps data rate, 2 MChip/s chip rate

    3. O-QPSK with half sine pulse shaping modulation

    4. Very low current consumption

        - RX (receiving frame, -50 dBm): 18.5 mA

        - RX (waiting for frame): 22.3 mA

        - TX (+5 dBm output power): 33.6 mA

        - TX (0 dBm output power): 25.8 mA

    5. Three flexible power modes for reduced power consumption

    6. Low power fully static CMOS design

    7. Very good sensitivity (-98dBm)

    8. High adjacent channel rejection (49 dB)

    9. High alternate channel rejection (54 dB)

  10. On chip VCO, LNA, PA and filters.

  11. Low supply voltage (1.8 - 3.8 V)

  12. Programmable output power up to +5 dBm

  13. I/Q direct conversion transceiver 

  14. 4-wire SPI

  15. Serial clock up to 8 MHz

  16. 6 GPIO pins with full flexibility

  17. Interrupt generator

  18. Full control of automatic responses to different events

  19. Embedded packet sniffer mode

  20. CC2420 compatibility mode 

3. APPLICATIONS

    1. IEEE 802.15.4 systems

    2. ZigBee® systems

    3. Industrial monitoring and control

    4. Home and building automation

    5. Automatic Meter Reading

    6. Low-power wireless sensor networks

    7. Set-top boxes and remote controls

    8. Consumer electronics 

4. KEY FEATURES

    1. State-of-the-art selectivity/co-existence

        - Adjacent channel rejection: 49 dB

        - Alternate channel rejection: 54 dB

    2. Excellent link budget (103dB) 400 m Line-of-sight range

    3. Extended temp range (-40 to +125°C)

    4. Wide supply range: 1.8 V – 3.8 V

    5. Extensive IEEE 802.15.4 MAC hardware support to offload the microcontroller

    6. AES-128 security module

    7. CC2420 interface compatibility mode