TEXAS INSTRUMENTS DEM-VCA-SO-1B 评估板, VCA82X 电压控制放大器
DESCRIPON
The VCA822 is a dc-coupled, wideband, linear in V/V, continuously variable, voltage-controlled gain amplifier. It provides a differential input to single-ended conversion with a high-impedance gain control input used to vary the gain down 40dB from the nominal maximum gain set by the gain resistor RG and feedback resistor RF.
FEATURES
• 150MHz SMALL-SIGNAL BANDWIDTH G = +10V/V
• 137MHz, 5VPP BANDWIDTH G = +10V/V
• 0.1dB GAIN FLATNESS to 28MHz
• 1700V/µs SLEW RATE
• > 40dB GAIN ADJUST RANGE
• HIGH GAIN ACCURACY: 20dB ±0.3dB
• HIGH OUTPUT CURRENT: ±160mA
APPLICATIONS
• DIFFERENTIAL LINE RECEIVERS
• DIFFERENTIAL EQUALIZERS
• PULSE AMPLITUDE COMPENSATION
• VARIABLE ATTENUATORS
• VOLTAGE-TUNABLE ACTIVE FILTERS
• DROP-IN UPGRADE TO LMH6503