HFA1212
Dual 350MHz, Low Power Closed Loop Buffer Amplifier
Not Recommended for New Designs.Contact our Technical Support Center at 1-888-INTERSIL.
Typical Diagram
Key Features
- Differential Gain 0.025%
- Differential Phase 0.03 Degrees
- Wide -3dB Bandwidth (AV = +2) 350MHz
- Very Fast Slew Rate (AV = -1) 1100V/µs
- Low Supply Current 6mA/Buffer
- High Output Current 60mA
- Excellent Gain Accuracy 0.99V/V
- User Programmable For Closed-Loop Gains of +1, -1 or +2 Without Use of External Resistors
- Overdrive Recovery 8ns
- Standard Operational Amplifier Pinout
Description
The HFA1212 is a dual closed loop Buffer featuring user programmable gain and high speed performance. Manufactured on Intersil's proprietary complementary bipolar UHF-1 process, these devices offer wide -3dB bandwidth of 350MHz, very fast slew rate, excellent gain flatness and high output current.
A unique feature of the pinout allows the user to select a voltage gain of +1, -1, or +2, without the use of any external components. Gain selection is accomplished via connections to the inputs, as described in the "Application Information" section. The result is a more flexible product, fewer part types in inventory, and more efficient use of board space.
Compatibility with existing op amp pinouts provides flexibility to upgrade low gain amplifiers, while decreasing component count. Unlike most buffers, the standard pinout provides an upgrade path should a higher closed loop gain be needed at a future date.
Applications
- High Resolution Monitors
- Professional Video Processing
- Medical Imaging
- Video Digitizing Boards/Systems
- RF/IF Processors
- Battery Powered Communications
- Flash Converter Drivers
- High Speed Pulse Amplifiers
