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SPRF2738A is a highly integrated IF(Intermediate Frequency)IC which is popularly used in FM/FSK(Frequency Modulation/Frequency-Shift Keying) or OOK (On-Off Keying) communication systems.
It also contains a low noise amplifier, mixer,oscillator,IF limiting amplifier with RSSI(Received Signal Strength Indicator,metal optioned), quadrature demodulator, amplifier, and digital data slicer.The SPRF2738A is designed for single channel receiver at 10MHz - 50MHz band. It is also applicable for dual conversions communication system.
SPRF2738A Maximum Ratings
Characteristics
Symbol
Ratings
DC Supply Voltage
V+
< 6.0V
Input Voltage Range
VIN
-0.5V to V + 0.5V
Operating Temperature
TA
0 to +60
Storage Temperature
TSTO
-50 to +150
SPRF2738A Features
Operation voltage: 2.4V - 5.5V Low current consumption: 2.5mA @ VDD = 3.0V. Operating frequency up to 50MHz Power down function Single chip FM/FSK or OOK receiver. RSSI function (metal option) -107dBm sensitivity (SNR = 12dB) Full ESD protection
SPRF2738A Typical Application
Dual conversion IF Voice/data communication. Radio control toy. Wireless keyboard, mouse receiver.