The MAX2064 high-linearity, dual analog variable-gain amplifier (VGA) operates in the 50MHz to 1000MHz frequency range. Each analog attenuator is controlled using an external voltage, or through the SPI™-compatible interface using an on-chip 8-bit DAC.
Since each of the stages has its own external RF input and RF output, this component can be configured to either optimize noise figure (NF) (amplifier configured first) or OIP3 (amplifier last). The device's performance features include 24dB amplifier gain (amplifier only), 4.4dB NF at maximum gain (includes attenuator insertion losses), and a high OIP3 level of +41dBm. Each of these features makes the device an ideal VGA for multipath receiver and transmitter applications.
In addition, the device operates from a single +5V supply with full performance, or a +3.3V supply for an enhanced power-savings mode with lower performance. The device is available in a compact 48-pin TQFN package (7mm x 7mm) with an exposed pad. Electrical performance is guaranteed over the extended temperature range, from TC = -40°C to +85°C.
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
Diagram
Typical Application Circuit
Notes and Comments
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