描述 Description

The HFA1113/883 is a closed loop buffer featuring a high degree of gain accuracy, wide bandwidth, low distortion, and programmable output limiting. This buffer is the ideal choice for high frequency applications requiring output limiting, especially those needing ultra fast overdrive recovery times. The output limiting function allows the designer to set the maximum positive and negative output levels, thereby protecting later stages from damage or input saturation. The sub-nanosecond overdrive recovery time quickly returns the amplifier to linear operation following an overdrive condition.

特性 Features

? This Circuit is Processed in Accordance to MIL-STD-883 and is Fully Conformant Under the Provisions of Paragraph 1.2.1.

? User Programmable Output Voltage Limiting

? User Programmable For Closed-Loop Gains of +1, -1 or +2 Without Use of External Resistors

? Low Differential Gain and Phase . . . . .0.02/0.04 Deg.

? Low Distortion (HD3, 30MHz) . . . . . . . . . . -73dBc (Typ)

? Wide -3dB Bandwidth . . . . . . . . . . . . . . . 850MHz (Typ)

? Very High Slew Rate . . . . . . . . . . . . . . . 2400V/μs (Typ)

? Fast Settling (0.1) . . . . . . . . . . . . . . . . . . . . 13ns (Typ)

? Excellent Gain Flatness (to 100MHz) . . . . 0.07dB (Typ)

? Excellent Gain Accuracy. . . . . . . . . . . . . . 0.99V/V (Typ)

? High Output Current . . . . . . . . . . . . . . . . . . 60mA (Typ)

? Fast Overdrive Recovery . . . . . . . . . . . . . . .

Applications

? Video Switching and Routing

? Pulse and Video Amplifiers

? Wideband Amplifiers

? RF/IF Signal Processing

? Flash A/D Driver

? Medical Imaging Systems