Demonstration circuit 2622A features the ADA4899-1 amplifier. The DC2622A includes two of these amplifiers and is designed to drive the inputs of the DC2290 demo board. The DC2290 features the LTC2387 18-bit, 15Msps high speed SAR ADC. The linearity and low noise of the ADA4899-1 make it an ideal candidate to drive the LTC2387 at frequencies above 1MHz.
The DC2622A is configured to accept a single-ended input signal and provide unity gain. The board can provide voltage gain if several component values are changed. For example, a voltage gain of two will result if the following changes are made:
- Change R23 to 309Ω
- Install 309Ω at R27
- Install 100pF at C28
- Change R18 to 287Ω
Documentation & Resources
DC2622A - Schematic6/16/201737K
DC2622A - Demo Manual6/16/2017245K
DC2622A - Design Files6/16/2017ZIP879K
Pricing displayed is based on 1-piece.
Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.