GaAs IC 5 Bit Digital Attenuator With Serial-to-Parallel Driver DC2 GHz
Positive Voltage Operation (+5 V) MLF 5 mm Leadless Package Integrated Silicon Serial-to-Parallel Driver Attenuation 0.5 dB Steps 15.5 dB
The is a GaAs FET IC 5 bit digital attenuator with a serial-to-parallel driver packaged a 32 leadless exposed pad plastic package. It is particularly suited at IF frequencies where high attenuation accuracy, low insertion loss and low intermodulation products are required.Typical applications include base station, wireless and RF data and wireless local loop gain control circuits.
Parameter1 Insertion Loss3 Attenuation Range4, 5 Attenuation 5 DC1.0 GHz DC2.0 GHz VSWR (I/O) Switching Characteristics6 Rise, Fall or 90/10% RF) On, Off (50% CTL to 90/10% RF) Video Feedthru 0.502.0 GHz 0.05 GHz For Two-tone Input Power +5 dBm VLow 20 ľA Max. VHigh 300 ľA Max. 0.502.0 GHz 0.05 GHz DC2.0 GHz Condition Frequency2 DC1.0 GHz DC2.0 GHz Min. Typ. of Attenuation Setting in dB) of Attenuation Setting in dB) ns mV dBm Max. 1.7 2.2 Unit dB
Input Power for 1 dB Compression Intermodulation Intercept Point (IP3) Control Voltages
Parameter Input Voltage High Input Voltage Low Input Leakage Current Quiescent Current Supply Voltages
1. All measurements made a 50 system, unless otherwise specified. = 300 kHz. 3. Insertion loss changes by 0.003 dB/°C.
4. Attenuation value referenced above insertion loss. 5. Exposed pad must be connected to RF ground to obtain specified attenuation. 6. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth.
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Input Voltage (VI) Power Dissipation (PD) Storage Temperature (TST) Operating Temperature (TOP)
Function Serial Data Output Ground RF Input/Output Ground RF Input/Output Ground Reset Latch Enable Serial Data Input Serial Clock Input Low Output Voltage Level Ground Charge Pump Capacitor Charge Pump Capacitor Supply Voltage
Parameter LE Setup Time SDA Setup Time SDA Hold Time LE Hold Time Clock Period