可以用来做语音传输的无线收发芯片资料

IA4320-DS[1]WIRELESS

DATASHEET

IA4320 Universal ISM Band FSK Receiver
DESCRIPTION
Integration’s IA4320 is a single chip, low power, multi-channel FSK receiver designed for use in applications requiring FCC or ETSI conformance for unlicensed use in the 315, 433, 868, and 915 MHz bands. Used in conjunction with IA4220/21, Integration Associates’ FSK transmitters, the IA4320 is a flexible, low cost, and highly integrated solution that does not require production alignments. All required RF functions are integrated. Only an external crystal and bypass filtering are needed for operation. The IA4320 has a completely integrated PLL for easy RF design, and its rapid settling time allows for fast frequency hopping, bypassing multipath fading, and interference to achieve robust wireless links. The PLL’s high