50 MHz to 500 MHz High-Linearity Si Variable-Gain Amplifier (28 dB Gain Range)
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The BGA7351 MMIC is a dual independently digitally controlled IF Variable Gain Amplifier (VGA) operating from 50 MHz to 500 MHz. Each IF VGA amplifies with a gain range of 28 dB and at its maximum gain setting delivers 16.5 dBm output power at 1 dB gain compression and a superior linear performance.
The BGA7351 Dual IF VGA is optimized for a differential gain error of less than ±0.1 dB for accurate gain control and has a total integrated gain error of less than ±0.3 dB. Moreover it meets the demanding phase error requirements for GSM. BGA7351 has less than 3.0° phase error over the full gain range of 28 dB.
The gain controls of each amplifier are separate digital gain-control word, which is provided externally through two sets of 5 bits.
The BGA7351 is housed in a 32 pins 5 mm x 5 mm leadless HVQFN32 package.
Outline 3d SOT617-1
Product Details
Features
- Dual independent digitally controlled 28 dB gain range VGAs, with 5-bit control interface
- 50 MHz to 500 MHz frequency operating range
- Gain step size: 1 dB ± 0.1 dB
- 22 dB power gain
- Fast gain stage switching capability
- 16.5 dBm output power at 1 dB gain compression
- 46 dBm third order intercept point
- Constant third order intercept point over output power
- -85 dBc second harmonic level
- Excellent noise figure of 6 dB
- 5 V single supply operation with power-down control
- Logic-level shutdown control pin reduces supply current
- Excellent ESD protection at all pins
- Moisture sensitivity level 1
- Unconditionally stable
- Excellent differential integrated gain and phase error
- Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances (RoHS)
Target Applications
- Compatible with GSM / W-CDMA / WiMAX / LTE base-station infrastructure / multi carrier systems
- Multi channel receivers
- General use for ADC driver applications
Documentation
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