通用的，可变增益，低噪声，射频放大器，用于广播接收器的应用 General-purpose, variable-gain, low-noise, RF amplifier for broadcast receiver applications
The is a general-purpose, low-noise amplifier with a gain range of -17 dB to +15 dB. Its gain is regulated either autonomously by an integrated AGC loop or by software control.
It can be used, for example, as an input amplifier for a satellite set-top box.
**Key Features**
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75-Ω single-ended input impedance
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75-Ω single-ended or 150-Ω differential output impedance
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Dual differential or single-ended outputs
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Single 3.3-V DC supply
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Input frequency range 50 to 2150 MHz
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Fully integrated RF AGC with power monitoring
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Low external component count
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Low power consumption 145 mW typical
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Temperature range -35 °C to 85 °C
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Compatible with 5-V and 3.3-V I2 C bus
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I2 C bus control option
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Four selectable I2 C addresses C8,CA,CC,CE
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Applications
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Satellite set-top boxes
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SMATV RF accessories
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LNBs
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DVB-T active indoor antennas
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Package
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VFQFPN-16L 3x3x0.85 mm3 with exposed pad down EPD
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Environmentally friendly packaging, RoHS 2002/95/EC compliant.