1012VA
DC to 10 GHz Differential Variable Gain Amplifier

Applications

• Broadband test & instrumentation
• Automatic test equipment
• Differential ADC drivers
• Single ended to differential conversion
• RF sampling receivers
• RF gain blocks
• Broadband precision signal generation and amplification

Features

• Broadband: DC to 10 GHz (3 dB)
• Differential input and output
• 12 to 26 dB variable differential gain
• Input common mode range: ±500 mV
• Up to 2 Vpp differential output
• Low input referred noise: 5 nV/√Hz
• Gain flatness: ± 0.5 dB to 6.5 GHz
• Great linearity: 1.5 % THD to 10 GHz
• Input return loss: 20 dB to 5 GHz
• Output return loss: 15 dB to 5 GHz
• CMRR: >20 dB to 10 GHz
• Available in QFP package

Description

The 1012VA is a general-purpose differential variable gain amplifier with a maximum differential gain of 27 dB, dynamic range of >14 dB and maximum differential output amplitude of 2 Vpp. Because it is a true DC to 10 GHz (3 dB) amplifier with good linearity, gain flatness and return loss, it is ideally suited to test and instrumentation applications in which a variable, loop-leveled differential or single-ended signal is required. The excellent distortion performance makes the 1012VA a great solution for 6 to 8 bit RF sampling receivers.

The 1012VA operates from +5.0 V (V_CC) and -5.2 V (V_EE) power supplies and ground.

The 1012VA is available in an 8 x 8 mm, 32-lead quad flat package (QFP). Evaluation boards with SMA connectors are also available.

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