PE43503 - Peregrine Semiconductor

PE43503 RF Digital Attenuator

The PE43503 is a HaRP™-enhanced, high linearity, 5-bit RF Digital Step Attenuator (DSA) covering a 31 dB attenuation range in 1 dB steps. The Peregrine 50Ω RF DSA provides a serial CMOS control interface. It maintains high attenuation accuracy over frequency and temperature and exhibits very low insertion loss and low power consumption. Performance does not .

Features

• HaRP™-enhanced UltraCMOS™ device
• Attenuation: 1 dB steps to 31 dB
• High Linearity: Typical +58 dBm IP3
• Excellent low-frequency performance
• 3.3 V or 5.0 V Power Supply Voltage
• Fast switch settling time
• Programming Modes:
• Direct Parallel
• Latched Parallel
• Serial
• High-attenuation state @ power-up (PUP)
• CMOS Compatible
• No DC blocking capacitors required
• Packaged in a 24-lead 4x4x0.85 mm QFN Figure 2. Functional Schematic Diagram Switched Attenuator Array RF Input RF Output Parallel Control 5 Serial In CLK LE Control Logic Interface A0 A1 Document No. 70-0252-05 │ www.