LT8920 2.4GHz SPI Wireless Transceiver RF Chip TSSOP16
Description
Features:
Single-chip solution including RF front-end and digital baseband.
Support frequency hopping
Support SPI and I2C interface
Built-in auto_ack function
Data rate 1Mbps, 250Kbps, 125Kbps, 62.5Kbps
At 1Mbps, the synchronization bits are 64bits, 48bits, 32bits,
16bits; 250Kbps, 125Kbps, 62.5Kbps time synchronization bit
For 32bits, 16bits. It is recommended to use 32bits, with a fault tolerance of 1bits.
Very low power consumption
The LT8920 is a low cost, highly integrated 2.4GHZ Line transceiver chip, on-chip integrated transmitter, receiver, frequency synthesizer,
GFSK modem. The transmitter supports adjustable power, and the receiver adopts Digital extended communication mechanism, in complex environment and strong interference conditions, can To achieve excellent transceiver performance. The peripheral circuit is simple, only need to match the MCU
and a few peripheral passive devices. LT8920 transmits GFSK signal, sends The maximum transmit power can reach 6dBm. The receiver adopts a low-IF structure, The receiver sensitivity can reach [email protected]. digital channel energy Detection can monitor the channel quality at any time. The on-chip transmit and receive FIFO registers can communicate with the MCU message, store the data, and transmit it over the air. It has built-in CRC, FEC,
Auto-ack and retransmission mechanisms can greatly simplify system design and optimize performance can.
The digital baseband supports 4-wire SPI and 2-wire I2C interfaces, in addition to There are Reset, Pkt_flag, Fifo_flag three digital interfaces.
In order to improve the battery life, the chip reduces the power consumption in each link. power consumption, the minimum operating voltage of the chip can reach 1.9V, in the holding register value bar Under conditions, the minimum current is 1uA. The chip is packaged in TSSOP16 and SOP16, RoHS compliant
allow.
Support signal energy detection
Single-chip transmission distance of 200 meters
Packages that support SOP16 and TSSOP16
Additional information
Weight | 0.002 kg |
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