Overview
The AD9643 from Analog Devices is a dual-channel, 14-bit analog-to-digital converter rated for up to 170 MSPS per channel. It is intended for high-speed data acquisition where moderate resolution and multi-channel sampling are required. The device is commonly used as a front-end digitizer in communications and instrumentation systems.
Why Choose This Part
Choosing the AD9643 gives a compact dual-channel solution that reduces board area and eases channel matching compared with using separate single-channel ADCs. Its 14-bit resolution combined with a 170 MSPS sampling capability is a practical balance between dynamic range and sampling speed for many communications and instrumentation applications. As an Analog Devices part, designers can also leverage manufacturer application notes and reference designs for layout and signal-chain recommendations.
Applications
Getting Started
Read the AD9643 datasheet and layout application notes first, and plan for a robust analog front end: clean clock source, anti-alias filtering, and careful impedance-controlled routing for analog inputs. Capture and downstream processing are commonly done with an FPGA or high-speed data capture controller; use vendor toolchains like Xilinx Vivado or Intel Quartus for FPGA development. Use an evaluation kit or reference design from the manufacturer where available and verify power-supply decoupling and thermal management during initial bring-up.
AD9643 Family
| Part Number | Difference | Stock |
|---|---|---|
| AD9643BCPZ-170 (Analog Devices Inc.) | BCPZ-170 | 6 |
