CC2420RTBR

Part: CC2420 — Texas Instruments Type: 2.4 GHz IEEE 802.15.4 / ZigBee-ready RF Transceiver Description: A true single-chip 2.4 GHz IEEE 802.15.4 compliant RF transceiver designed for low power and low voltage wireless applications, featuring a DSSS baseband modem with 250 kbps effective data rate and hardware MAC security.

Operating Conditions:

• Supply voltage: 2.1–3.6 V (with on-chip regulator)
• Operating temperature: -40 to 85 °C
• Digital I/O supply voltage: 1.6–3.6 V

Absolute Maximum Ratings:

• Max supply voltage (VREG_IN, VDDIO): 3.6 V
• Max supply voltage (VDD): 2.0 V
• Max input RF level: 10 dBm
• Max storage temperature: 150 °C

Key Specs:

• RF frequency range: 2400–2483.5 MHz
• Data rate: 250 kbps
• Chip rate: 2 MChip/s
• Modulation: O-QPSK with half sine pulse shaping
• RX current consumption: 18.8 mA
• TX current consumption: 17.4 mA
• Receiver sensitivity: -95 dBm
• SPI clock speed: up to 10 MHz

Features:

• DSSS baseband modem
• On-chip VCO, LNA, and PA
• Integrated voltage regulator
• Programmable output power
• I/Q low-IF soft decision receiver
• I/Q direct up-conversion transmitter
• Separate 128-byte transmit and receive FIFOs
• 4-wire SPI interface
• 802.15.4 MAC hardware support (preamble, sync word, CRC-16, CCA, RSSI, LQI)
• Full automatic MAC security (CTR, CBC-MAC, CCM, stand-alone AES-128)
• Battery monitor

Applications:

• 2.4 GHz IEEE 802.15.4 systems
• ZigBee systems
• Home/building automation
• Industrial Control
• Wireless sensor networks
• PC peripherals
• Consumer Electronics

Package:

• QLP-48, 7x7 mm

• True single-chip 2.4 GHz IEEE 802.15.4 compliant RF transceiver with baseband modem and MAC support
• DSSS baseband modem with 2 MChips/s and 250 kbps effective data rate.
• Suitable for both RFD and FFD operation
• Low current consumption (RX: 18.8 mA, TX: 17.4 mA)
• Low supply voltage (2.1 - 3.6 V) with integrated voltage regulator
• Low supply voltage (1.6 - 2.0 V) with external voltage regulator
• Wireless sensor networks
• PC peripherals
• Consumer Electronics

features reduce the load on the host controller and allow CC2420 to interface low-cost microcontrollers.

The configuration interface and transmit / receive FIFOs of CC2420 are accessed via an SPI interface. In a typical application CC2420 will be used together with a microcontroller and a few external passive components.

CC2420 is based on Chipcon's SmartRF -03 technology in 0.18 m CMOS.

• Programmable output power
• No external RF switch / filter needed
• I/Q low-IF receiver
• I/Q direct upconversion transmitter
• Very few external components
• 128(RX) + 128(TX) byte data buffering
• Digital RSSI / LQI support
• Hardware MAC encryption (AES-128)
• Battery monitor
• QLP-48 package, 7x7 mm
• Complies with ETSI EN 300 328, EN 300 440 class 2, FCC CFR-47 part 15 and ARIB STD-T66
• Powerful and flexible development tools available

• 2.4 GHz IEEE 802.15.4 systems
• ZigBee systems
• Home/building automation
• Industrial Control

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Figure 1. CC2420 Pinout - Top View

Figure 1. CC2420 Pinout - Top View

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CC2420

CC2420

Measured on CC2420 EM with transmission line balun, TA = 25 C, DVDD3.3 and VREG_IN = 3.3 V, internal voltage regulator used if nothing else stated.

The absolute maximum ratings given above should under no circumstances be violated. Stress exceeding one or more of

Caution! ESD sensitive device. Precaution should be used when handling the device in order to prevent permanent damage.

Few external components are required for the operation of CC2420 . A typical application circuit is shown in Figure 4. The external components shown are described in Table 1 and typical values are given in Table 2. Note that most decoupling capacitors are not shown on the application circuits. For the complete reference design please refer to Texas Instrument's web site: http://www.ti.com.