AD9484 is an 8-bit, 500 MSPS, 1.8 V analog-to-digital converter with excellent linearity, low power consumption, and wide operating range.
The AD9484 is an 8‑bit, monolithic sampling ADC optimized for high performance, low power, and ease of use. It operates up to 500 MSPS, supports LVDS digital outputs, and includes on‑chip reference and sample‑and‑hold functions.
The datasheet provides detailed specifications, pin descriptions, timing diagrams, and typical performance graphs, along with absolute maximum ratings and thermal information for designers.
| Signal‑to‑Noise Ratio (SNR) | 47 dBFS at 250 MHz, 500 MSPS |
|---|---|
| Effective Number of Bits (ENOB) | 7.5 bits at 250 MHz, 500 MSPS |
| Maximum Conversion Rate | 500 MSPS |
| Analog Input Bandwidth | 1 GHz (full power) |
| Supply Voltage (AVDD / DRVDD) | 1.8 V |
| Input Differential Voltage Range | 1.18 V‑p‑p to 1.6 V‑p‑p (programmable) |
| Package | 56‑Lead LFCSP (8 mm × 8 mm) |
The AD9484 can convert up to 500 MSPS.
It requires 1.8 V for both the analog supply (AVDD) and the digital output supply (DRVDD).
The differential input voltage range is programmable from 1.18 V‑p‑p to 1.6 V‑p‑p, with a nominal 1.5 V‑p‑p setting.