
Maxim Integrated
General Description
The MAX7033 fully integrated low-power CMOS superheterodyne receiver is ideal for receiving amplitude-shift-keyed (ASK) data in the 300MHz to 450MHz frequency range.
FEATUREs
♦ Optimized for 315MHz or 433MHz Band
♦ Operates from Single +3.3V or +5.0V Supplies
♦ High Dynamic Range with On-Chip AGC
♦ AGC Hold Circuit
♦ 1ms AGC Release Time
♦ Selectable Image-Rejection Center Frequency
♦ Selectable x64 or x32 fLO/fXTAL Ratio
♦ Low 5.2mA Operating Supply Current
♦ < 3.5µA Low-Current Power-Down Mode for
Efficient Power Cycling
♦ 250µs Startup Time
♦ Built-In 44dB RF Image Rejection
♦ Better than -114dBm Receive Sensitivity
♦ -40°C to +105°C Operation
APPLICATIONs
Automotive Remote Keyless Entry
Security Systems
Garage Door Openers
Home Automation
Remote Controls
Local Telemetry
Wireless Sensors